- Table of Contents
-
- 05-Layer 2—LAN Switching Command Reference
- 00-Preface
- 01-Hardware compatibility with Layer 2 and Layer 3 Ethernet interfaces
- 02-MAC address table commands
- 03-Ethernet link aggregation commands
- 04-Port isolation commands
- 05-VLAN commands
- 06-VLAN termination commands
- 07-Loop detection commands
- 08-Spanning tree commands
- 09-LLDP commands
- 10-Layer 2 forwarding commands
- Related Documents
-
Title | Size | Download |
---|---|---|
09-LLDP commands | 352.25 KB |
display lldp local-information
display lldp neighbor-information
lldp compliance admin-status cdp
lldp global tlv-enable basic-tlv management-address-tlv
lldp ignore-pvid-inconsistency
lldp management-address-format string
lldp neighbor-identity chassis-id
lldp neighbor-identity port-id
lldp neighbor-protection aging
lldp neighbor-protection validation
lldp notification med-topology-change enable
lldp notification remote-change enable
lldp timer notification-interval
LLDP commands
display lldp local-information
Use display lldp local-information to display local LLDP information.
Syntax
display lldp local-information [ global | interface interface-type interface-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
global: Displays the global local LLDP information.
interface interface-type interface-number: Specifies a port by its type and number.
Usage guidelines
If you do not specify any keywords or arguments, the command displays all local LLDP information, which includes the following:
· The global LLDP information.
· The LLDP information about the LLDP-enabled ports in up state.
Examples
# Display all local LLDP information.
<Sysname> display lldp local-information
Global LLDP local-information:
Chassis ID : 00e0-fc00-5600
System name : Sysname
System description :
H3C Comware Platform Software, Software Version 9.0.001, Alpha 9119P06
H3C MSR1000
Copyright (c) 2004-2021 New H3C Technologies Co., Ltd. All rights reserved.
System capabilities supported : Bridge, Router, Customer Bridge, Service Bridge
System capabilities enabled : Bridge, Router, Service Bridge
MED information:
Device class : Connectivity device
MED inventory information of master board:
HardwareRev : REV.A
FirmwareRev : 109
SoftwareRev : 9.0.001 Alpha 9119P06
SerialNum : NONE
Manufacturer name : H3C
Model name : MSR1000
Asset tracking identifier : Unknown
LLDP local-information of port 52 [GigabitEthernet0/0/3]:
Port ID type : Interface name
Port ID : GigabitEthernet0/0/3
Port description : GigabitEthernet0/0/3 Interface
LLDP agent nearest-bridge management address:
Management address type : IPv4
Management address : 192.168.80.60
Management address interface type : IfIndex
Management address interface ID : Unknown
Management address OID : 0
LLDP agent nearest-nontpmr management address:
Management address type : IPv4
Management address : 192.168.80.61
Management address interface type : IfIndex
Management address interface ID : Unknown
Management address OID : 0
LLDP agent nearest-customer management address:
Management address type : IPv4
Management address : 192.168.80.62
Management address interface type : IfIndex
Management address interface ID : Unknown
Management address OID : 0
Link aggregation supported : Yes
Link aggregation enabled : Yes
Aggregation port ID : 52
Auto-negotiation supported : Yes
Auto-negotiation enabled : Yes
OperMau : Speed(1000)/Duplex(Full)
Power port class : PSE
PSE power supported : NO
PSE power enabled : NO
PSE pairs control ability : NO
Power pairs : Signal
Port power classification : Class 0
Maximum frame size : 10000
PoE PSE power source : Primary
Port PSE priority : Critical
Port available power value : 0.0 w
Table 1 Command output
Field |
Description |
Chassis ID |
Bridge MAC address of the device. |
System capabilities supported |
Supported capabilities: · Bridge—Switching is supported. · Router—Routing is supported. · WlanAccessPoint—The local device can act as a wireless AP. · Repeater—Signal repeating is supported. · Telephone—The local device can act as a telephone. · DocsisCableDevice—The local device can act as a DOCSIS-compliant cable device. · StationOnly—The local device can act as a station only. · Customer Bridge—The customer bridge feature is supported. · Service Bridge—The service bridge feature is supported. · TPMR—The TPMR feature is supported. · Other—Features other than those listed above are supported. |
System capabilities enabled |
Enabled capabilities: · Bridge—Switching is enabled. · Router—Routing is enabled. · WlanAccessPoint—The local device is acting as a wireless AP. · Repeater—Signal repeating is enabled. · Telephone—The local device is acting as a telephone. · DocsisCableDevice—The local device is acting as a DOCSIS-compliant cable device. · StationOnly—The local device is acting as a station only. · Customer Bridge—The customer bridge feature is enabled. · Service Bridge—The service bridge feature is enabled. · TPMR—The TPMR feature is enabled. · Other—Features other than those listed above are enabled. |
Device class |
MED device class: · Connectivity device—Network device. · Class I—Normal terminal device. It requires the basic LLDP discovery services. · Class II—Media terminal device. It supports media streams, and can also act as a normal terminal device. · Class III—Communication terminal device. It supports the IP communication systems of end users, and can also act as a normal terminal device or media terminal device. |
MED inventory information of master board |
MED inventory information about the MPU. |
HardwareRev |
Hardware version. |
FirmwareRev |
Firmware version. |
SoftwareRev |
Software version. |
SerialNum |
Serial number. |
Manufacturer name |
Device manufacturer. |
Model name |
Device model. |
Port ID type |
Port ID type: · MAC address. · Interface name. |
Port ID |
Port ID, the value of which depends on the port ID type. |
Management address interface type |
Numbering type of the interface identified by the management address. |
Management address interface ID |
Index of the interface identified by the management address. |
Management address OID |
Management address object ID. |
Link aggregation supported |
Indicates whether link aggregation is supported on the port. |
Link aggregation enabled |
Indicates whether link aggregation is enabled on the port. |
Aggregation port ID |
Member port ID, which is 0 when link aggregation is disabled. |
Auto-negotiation supported |
Indicates whether autonegotiation is supported on the port. |
Auto-negotiation enabled |
Indicates whether autonegotiation is enabled on the port. |
OperMau |
Speed and duplex state of the port. |
Power port class |
PoE port class: · PSE—Power sourcing equipment. · PD—Powered device. |
PSE power supported |
Indicates whether the device can operate as a PSE. |
PSE power enabled |
Indicates whether the device is operating as a PSE. |
PSE pairs control ability |
Indicates whether the pair selection ability is available. |
Power pairs |
Power supply mode: · Signal—Uses data pairs to supply power. · Spare—Uses spare pairs to supply power. |
Port power classification |
Power class of the PD: · Class 0. · Class 1. · Class 2. · Class 3. · Class 4. |
PoE PSE power source |
PSE power source type: · Unknown—Unknown power supply. · Primary—Primary power supply. · Backup—Backup power supply. |
Port PSE priority |
PoE power supply priority of PSE ports: · Unknown. · Critical. · High. · Low. |
Port available power value |
Available PoE power on PSE ports, or power needed on PD ports, in watts. |
display lldp neighbor-information
Use display lldp neighbor-information to display the LLDP information received from the neighboring devices.
Syntax
display lldp neighbor-information [ [ [ interface interface-type interface-number ] [ agent { nearest-bridge | nearest-customer | nearest-nontpmr } ] [ verbose ] ] | list [ system-name system-name ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type interface-number: Specifies a port by its type and number. If you do not specify this option, the command displays the LLDP information that all ports receive from the neighboring devices.
agent: Specifies an agent type. If you do not specify an agent type, the command displays the LLDP information that all LLDP agents receive from the neighboring devices.
nearest-bridge: Specifies nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
verbose: Displays the detailed LLDP information that the local device receives from the neighboring devices. If you do not specify this keyword, the command displays the brief LLDP information that the local device receives from the neighboring devices.
list: Displays the LLDP information that the local device receives from the neighboring devices in the form of a list.
system-name system-name: Displays the LLDP information that the local device receives from a neighboring device specified by its system name. The system-name argument is a string of 1 to 255 characters. If you do not specify this option, the command displays the LLDP information that the local device receives from all neighboring devices in a list.
Examples
# Display detailed LLDP information that the nearest bridge agents on all ports received from the neighboring devices.
<Sysname> display lldp neighbor-information agent nearest-bridge verbose
LLDP neighbor-information of port 1[GigabitEthernet0/0/1]:
LLDP agent nearest-bridge:
LLDP Neighbor index : 1
Update time : 0 days, 0 hours, 1 minutes, 1 seconds
Chassis type : MAC address
Chassis ID : 000f-0055-0002
Port ID type : Interface name
Port ID : GigabitEthernet0/0/1
Time to live : 121
Port description : GigabitEthernet0/0/1 Interface
System name : Sysname
System description :
HPE Comware Platform Software, Software Version 7.1.070, Release 3208P03
HPE 5130 24G PoE+ 4SFP+ EI Switch
Copyright (c) 2010-2017 Hewlett Packard Enterprise Development LP
System capabilities supported : Bridge, Router, Customer Bridge, Service Bridge
System capabilities enabled : Bridge, Router, Customer Bridge
Management address type : IPv4
Management address : 192.168.1.55
Management address interface type : IfIndex
Management address interface ID : Unknown
Management address OID : 0
Port VLAN ID(PVID): 1
Link aggregation supported : Yes
Link aggregation enabled : Yes
Aggregation port ID : 52
Auto-negotiation supported : Yes
Auto-negotiation enabled : Yes
OperMau : Speed(1000)/Duplex(Full)
Power port class : PD
PSE power supported : Yes
PSE power enabled : Yes
PSE pairs control ability : Yes
Power pairs : Signal
Port power classification : Class 0
Power type : Type 2 PD
Power source : PSE and local
Power priority : High
PD requested power value : 21.1 w
PSE allocated power value : 15.3 w
Maximum frame size : 10000
# Display brief LLDP information that all LLDP agents received from all neighboring devices.
<Sysname> display lldp neighbor-information
LLDP neighbor-information of port 52 [GigabitEthernet0/0/3]:
LLDP agent nearest-bridge:
LLDP neighbor index : 3
ChassisID/subtype : 0011-2233-4400/MAC address
PortID/subtype : 000c-29f5-c71f/MAC address
Capabilities : Bridge, Router, Customer Bridge
LLDP neighbor index : 6
ChassisID/subtype : 0011-2233-4400/MAC address
PortID/subtype : 000c-29f5-c715/MAC address
Capabilities : None
CDP neighbor-information of port 52 [GigabitEthernet0/0/3]:
LLDP agent nearest-bridge:
CDP neighbor index : 4
Chassis ID : SEP00260B5C0548
Port ID : Port 1
CDP neighbor index : 5
Chassis ID : 0011-2233-4400
Port ID : GigabitEthernet0/0/4
LLDP neighbor-information of port 52 [GigabitEthernet0/0/3]:
LLDP agent nearest-nontpmr:
LLDP neighbor index : 6
ChassisID/subtype : 0011-2233-4400/MAC address
PortID/subtype : 000c-29f5-c715/MAC address
Capabilities : None
# Display brief LLDP information that all LLDP agents received from the neighboring devices in a list.
<Sysname> display lldp neighbor-information list
Chassis ID : * -- --Nearest nontpmr bridge neighbor
# -- --Nearest customer bridge neighbor
Default -- -- Nearest bridge neighbor
Local Interface Chassis ID Port ID System Name
GE0/0/1 000f-e25d-ee91 GigabitEthernet0/0/1 System1
Table 2 Command output
Field |
Description |
|
LLDP neighbor-information of port 1 |
LLDP information received through port 1. |
|
Update time |
Time when LLDP information about a neighboring device was last updated. |
|
LLDP mac type |
Type of the neighbor MAC address: · Nearest bridge. · Nearest customer bridge. · Nearest non-TPMR bridge. |
|
Chassis type |
Chassis ID type: · Chassis component. · Interface alias. · Port component. · MAC address. · Network address (ipv4). · Interface name. · Locally assigned—Locally-defined chassis type other than those listed above. |
|
Chassis ID |
ID that identifies the LLDP sending device, which can be a MAC address, a network address, an interface, or some other value, depending on the chassis ID type of the neighboring device. |
|
Port ID type |
Port ID type: · Interface alias. · Port component. · MAC address. · Network address (ipv4). · Interface name. · Agent circuit ID. · Locally assigned—Locally-defined port ID type other than those listed above. |
|
Port ID |
Value of the type of the port ID. |
|
System name |
System name of the neighboring device. |
|
System description |
System description of the neighboring device. |
|
System capabilities supported |
Capabilities supported on the neighboring device: · Repeater—Signal repeating is supported. · Bridge—Switching is supported. · WlanAccessPoint—The neighboring device can act as a wireless AP. · Router—Routing is supported. · Telephone—The neighboring device can act as a telephone. · DocsisCableDevice—The neighboring device can act as a DOCSIS-compliant cable device. · StationOnly—The neighboring device can act as a station only. · Customer Bridge—The customer bridge feature is enabled. · Service Bridge—The service bridge feature is enabled. · TPMR—The TPMR feature is enabled. · Other—Features other than those listed above are supported. |
|
System capabilities enabled |
Capabilities enabled on the neighboring device: · Repeater—Signal repeating is enabled. · Bridge—Switching is enabled. · WlanAccessPoint—The neighboring device is acting as a wireless AP. · Router—Routing is enabled. · Telephone—The neighboring device is acting as a telephone. · DocsisCableDevice—The neighboring device is acting as a DOCSIS-compliant cable device. · StationOnly—The neighboring device is acting as a station only. · Customer Bridge—The customer bridge feature is enabled. · Service Bridge—The service bridge feature is enabled. · TPMR—The TPMR feature is enabled. · Other—Features other than those listed above are supported. |
|
Management address OID |
Management address object ID. |
|
Link aggregation supported |
Indicates whether link aggregation is supported. |
|
Link aggregation enabled |
Indicates whether link aggregation is enabled. |
|
Aggregation port ID |
Member port ID, which is 0 when link aggregation is disabled. |
|
Auto-negotiation supported |
Indicates whether autonegotiation is supported on the port. |
|
Auto-negotiation enabled |
Indicates whether autonegotiation is enabled on the port. |
|
OperMau |
Speed and duplex state on the port. |
|
Power port class |
PoE port class: · PSE—Power sourcing equipment. · PD—Powered device. |
|
PSE power supported |
Indicates whether the device can operate as a PSE. |
|
PSE power enabled |
Indicates whether the device is operating as a PSE. |
|
PSE pairs control ability |
Indicates whether the pair selection ability is available. |
|
Power pairs |
Power supply mode: · Signal—Uses data pairs to supply power. · Spare—Uses spare pairs to supply power. |
|
Port power classification |
Power class of the PD: · Class 0. · Class 1. · Class 2. · Class 3. · Class 4. |
|
Power type |
Power supply type: · Type 1 PD. · Type 2 PD. · Type 1 PSE. · Type 2 PSE. |
|
Power source |
Power source: · When the power supply type is PSE, options are: ¡ Unknown—Unknown power supply. ¡ Primary—Primary power supply. ¡ Backup—Backup power supply. ¡ Reserved. · When the power supply type is PD, options are:: ¡ Unknown—Unknown power supply. ¡ PSE—PSE power supply. ¡ Local—Local power supply. ¡ PSE and local—PSE and local power supplies. |
|
Power priority |
Power priority: · Unknown. · Critical. · High. · Low. |
|
PD requested power value |
PD requested power in watts. |
|
PSE allocated power value |
PSE allocated power in watts. |
|
Dot1p |
802.1p priority. |
|
Capabilities |
Capabilities enabled on the neighboring device: · Repeater—Signal repeating is enabled. · Bridge—Switching is enabled. · WlanAccessPoint—The neighboring device is acting as a wireless AP. · Router—Routing is enabled. · Telephone—The neighboring device is acting as a telephone. · DocsisCableDevice—The neighboring device is acting as a DOCSIS-compliant cable device. · StationOnly—The neighboring device is acting as a station only. · Other—Features other than those listed above are supported. · None—The neighboring device does not advertise this TLV. |
|
Local Interface |
Local port that receives the LLDP information. |
|
Chassis ID : * -- -- Nearest nontpmr bridge neighbor #-- -- Nearest customer bridge neighbor |
Chassis ID flag: · An asterisk (*) indicates the nearest non-TPMR bridge neighbor. · A pound sign (#) indicates the nearest customer bridge neighbor. |
|
display lldp statistics
Use display lldp statistics to display the global LLDP statistics or the LLDP statistics of a port.
Syntax
display lldp statistics [ global | [ interface interface-type interface-number ] [ agent { nearest-bridge | nearest-customer | nearest-nontpmr } ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
global: Displays the global LLDP statistics.
interface interface-type interface-number: Specifies a port by its type and number.
agent: Specifies an LLDP agent type. If you do not specify an agent type, the command displays the statistics for all LLDP agents.
nearest-bridge: Specifies nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Usage guidelines
If you do not specify any keywords or arguments, the command displays the global LLDP statistics and the LLDP statistics of all ports.
Examples
# Display the global LLDP statistics and the LLDP statistics of all ports.
<Sysname> display lldp statistics
LLDP statistics global information:
LLDP neighbor information last change time:0 days, 0 hours, 4 minutes, 40 seconds
The number of LLDP neighbor information inserted : 1
The number of LLDP neighbor information deleted : 1
The number of LLDP neighbor information dropped : 0
The number of LLDP neighbor information aged out : 1
LLDP statistics information of port 1 [GigabitEthernet0/0/1]:
LLDP agent nearest-bridge:
The number of LLDP frames transmitted : 0
The number of LLDP frames received : 0
The number of LLDP frames discarded : 0
The number of LLDP error frames : 0
The number of LLDP TLVs discarded : 0
The number of LLDP TLVs unrecognized : 0
The number of LLDP neighbor information aged out : 0
The number of CDP frames transmitted : 0
The number of CDP frames received : 0
The number of CDP frames discarded : 0
The number of CDP error frames : 0
LLDP agent nearest-nontpmr:
The number of LLDP frames transmitted : 0
The number of LLDP frames received : 0
The number of LLDP frames discarded : 0
The number of LLDP error frames : 0
The number of LLDP TLVs discarded : 0
The number of LLDP TLVs unrecognized : 0
The number of LLDP neighbor information aged out : 0
The number of CDP frames transmitted : 0
The number of CDP frames received : 0
The number of CDP frames discarded : 0
The number of CDP error frames : 0
LLDP agent nearest-customer:
The number of LLDP frames transmitted : 0
The number of LLDP frames received : 0
The number of LLDP frames discarded : 0
The number of LLDP error frames : 0
The number of LLDP TLVs discarded : 0
The number of LLDP TLVs unrecognized : 0
The number of LLDP neighbor information aged out : 0
The number of CDP frames transmitted : 0
The number of CDP frames received : 0
The number of CDP frames discarded : 0
The number of CDP error frames : 0
# Display the LLDP statistics for the nearest customer bridge agents on GigabitEthernet 0/0/1.
<Sysname> display lldp statistics interface GigabitEthernet0/0/1 agent nearest-customer
LLDP statistics information of port 1 [GigabitEthernet0/0/1]:
LLDP agent nearest-customer:
The number of LLDP frames transmitted : 0
The number of LLDP frames received : 0
The number of LLDP frames discarded : 0
The number of LLDP error frames : 0
The number of LLDP TLVs discarded : 0
The number of LLDP TLVs unrecognized : 0
The number of LLDP neighbor information aged out : 0
The number of CDP frames transmitted : 0
The number of CDP frames received : 0
The number of CDP frames discarded : 0
The number of CDP error frames : 0
Table 3 Command output
Field |
Description |
LLDP statistics global information |
Global LLDP statistics. |
LLDP neighbor information last change time |
Time when the neighbor information was last updated. |
The number of LLDP neighbor information inserted |
Number of times neighbor information was added. |
The number of LLDP neighbor information deleted |
Number of times neighbor information was removed. |
The number of LLDP neighbor information dropped |
Number of times neighbor information was dropped due to lack of available memory space. |
The number of CDP frames transmitted |
Total number of CDP frames that have been sent. |
The number of CDP frames received |
Total number of CDP frames that have been received. |
The number of CDP frames discarded |
Total number of CDP frames that have been dropped. |
The number of CDP error frames |
Total number of CDP error frames that have been received. |
display lldp status
Use display lldp status to display LLDP status.
Syntax
display lldp status [ interface interface-type interface-number ] [ agent { nearest-bridge | nearest-customer | nearest-nontpmr } ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type interface-number: Specifies a port by its type and number. If you do not specify this option, the command displays the global LLDP status and the LLDP status of all ports.
agent: Specifies an LLDP agent type. If you do not specify an agent type, the command displays the status information for all LLDP agents.
nearest-bridge: Specifies nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Examples
# Display the global LLDP status and the LLDP status of each port.
<Sysname> display lldp status
Global status of LLDP: Enable
Bridge mode of LLDP: customer-bridge
The current number of LLDP neighbors: 5
The current number of CDP neighbors: 0
LLDP neighbor information last changed time: 0 days, 0 hours, 4 minutes, 40 seconds
Transmit interval : 30s
Fast transmit interval : 1s
Transmit max credit : 5
Hold multiplier : 4
Reinit delay : 2s
Trap interval : 5s
Fast start times : 3
LLDP status information of port 1 [GigabitEthernet0/0/1]:
LLDP agent nearest-bridge:
Port status of LLDP : Enable
Admin status : TX_RX
Trap flag : No
MED trap flag : No
Polling interval : 0s
Number of LLDP neighbors : 5
Number of MED neighbors : 2
Number of CDP neighbors : 0
Number of sent optional TLV : 12
Number of received unknown TLV : 5
Neighbor protection status : Port not protected
LLDP agent nearest-nontpmr:
Port status of LLDP : Enable
Admin status : TX_RX
Trap flag : No
MED trap flag : No
Polling interval : 0s
Number of LLDP neighbors : 5
Number of MED neighbors : 2
Number of CDP neighbors : 0
Number of sent optional TLV : 12
Number of received unknown TLV : 5
Neighbor protection status : Port not protected
LLDP agent nearest-customer:
Port status of LLDP : Enable
Admin status : TX_RX
Trap flag : No
MED trap flag : No
Polling interval : 0s
Number of LLDP neighbors : 5
Number of MED neighbors : 2
Number of CDP neighbors : 0
Number of sent optional TLV : 12
Number of received unknown TLV : 5
Neighbor protection status : Port not protected
Table 4 Command output
Field |
Description |
Bridge mode of LLDP |
LLDP bridge mode: service-bridge or customer-bridge. |
Global status of LLDP |
Indicates whether LLDP is globally enabled. |
The current number of CDP neighbors |
Current number of CDP neighbors on the device. |
LLDP neighbor information last changed time |
Time when the neighbor information was last updated. |
Transmit interval |
LLDP frame transmission interval. |
Hold multiplier |
TTL multiplier. |
Reinit delay |
LLDP reinitialization delay. |
Transmit max credit |
Token bucket size for sending LLDP frames. |
Trap interval |
Trap transmission interval. |
Fast start times |
Number of LLDP frames sent each time fast LLDP frame transmission is triggered. |
Port 1 |
LLDP status of port 1. |
Port status of LLDP |
Indicates whether LLDP is enabled on the port. |
Admin status |
LLDP operating mode of the port: · TX_RX—The port can send and receive LLDP frames. · Rx_Only—The port can only receive LLDP frames. · Tx_Only—The port can only send LLDP frames. · Disable—The port cannot send or receive LLDP frames. |
Trap Flag |
Indicates whether trapping is enabled. |
Polling interval |
LLDP polling interval, which is 0 when LLDP polling is disabled. |
Number of neighbors |
Number of LLDP neighbors connecting to the port. |
Number of MED neighbors |
Number of MED neighbors connecting to the port. |
Number of CDP neighbors |
Number of CDP neighbors connecting to the port. |
Number of sent optional TLV |
Number of optional TLVs contained in an LLDP frame sent through the port. |
Number of received unknown TLV |
Number of unknown TLVs contained in a received LLDP frame. |
Neighbor protection status |
Neighbor protection status on the port: · Port blocked (validation)—The port is blocked due to neighbor validation failure. · Port blocked (aging)—The port is blocked due to neighbor aging. · Port shutdown (aging)—The port is shut down due to neighbor aging. · Port not protected—Neither neighbor validation nor neighbor aging is enabled on the port. |
display lldp tlv-config
Use display lldp tlv-config to display the types of advertisable optional LLDP TLVs of a port.
Syntax
display lldp tlv-config [ interface interface-type interface-number ] [ agent { nearest-bridge | nearest-customer | nearest-nontpmr } ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type interface-number: Specifies a port by its type and number. If you do not specify this option, the command displays the types of advertisable optional TLVs of all ports.
agent: Specifies an LLDP agent type. If you do not specify an agent type, the command displays the types of advertisable optional LLDP TLVs for all LLDP agents.
nearest-bridge: Specifies nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Examples
# Display the types of advertisable optional LLDP TLVs of GigabitEthernet 0/0/1.
<Sysname> display lldp tlv-config interface gigabitethernet 0/0/1
LLDP tlv-config of port 1[GigabitEthernet0/0/1]:
LLDP agent nearest-bridge:
NAME STATUS DEFAULT
Basic optional TLV:
Port Description TLV YES YES
System Name TLV YES YES
System Description TLV YES YES
System Capabilities TLV YES YES
Management Address TLV YES YES
IEEE 802.1 extend TLV:
Port VLAN ID TLV YES YES
Port And Protocol VLAN ID TLV NO NO
VLAN Name TLV NO NO
DCBX TLV NO NO
Link Aggregation TLV YES YES
Management VID TLV NO NO
IEEE 802.3 extend TLV:
MAC-Physic TLV YES YES
Power via MDI TLV YES YES
Maximum Frame Size TLV YES YES
LLDP-MED extend TLV:
Capabilities TLV YES YES
Network Policy TLV YES YES
Location Identification TLV NO NO
Extended Power via MDI TLV YES YES
Inventory TLV YES YES
LLDP agent nearest-nontpmr:
NAME STATUS DEFAULT
Basic optional TLV:
Port Description TLV NO NO
System Name TLV NO NO
System Description TLV NO NO
System Capabilities TLV NO NO
Management Address TLV NO NO
IEEE 802.1 extend TLV:
Port VLAN ID TLV NO NO
Port And Protocol VLAN ID TLV NO NO
VLAN Name TLV NO NO
DCBX TLV NO NO
Link Aggregation TLV NO NO
Management VID TLV NO NO
IEEE 802.3 extend TLV:
MAC-Physic TLV NO NO
Power via MDI TLV NO NO
Maximum Frame Size TLV NO NO
LLDP-MED extend TLV:
Capabilities TLV NO NO
Network Policy TLV NO NO
Location Identification TLV NO NO
Extended Power via MDI TLV NO NO
Inventory TLV NO NO
LLDP agent nearest-customer:
NAME STATUS DEFAULT
Basic optional TLV:
Port Description TLV YES YES
System Name TLV YES YES
System Description TLV YES YES
System Capabilities TLV YES YES
Management Address TLV YES YES
IEEE 802.1 extend TLV:
Port VLAN ID TLV YES YES
Port And Protocol VLAN ID TLV NO NO
VLAN Name TLV NO NO
DCBX TLV NO NO
Link Aggregation TLV YES YES
Management VID TLV NO NO
IEEE 802.3 extend TLV:
MAC-Physic TLV NO NO
Power via MDI TLV NO NO
Maximum Frame Size TLV NO NO
LLDP-MED extend TLV:
Capabilities TLV NO NO
Network Policy TLV NO NO
Location Identification TLV NO NO
Extended Power via MDI TLV NO NO
Inventory TLV NO NO
Table 5 Command output
Field |
Description |
LLDP tlv-config of port 1 |
Advertisable optional TLVs of port 1. |
NAME |
TLV type. |
STATUS |
Indicates whether the type of TLV is sent through a port. |
DEFAULT |
Indicates whether the type of TLV is sent through a port by default. |
Basic optional TLV |
Basic optional TLVs: · Port Description TLV. · System Name TLV. · System Description TLV. · System Capabilities TLV. · Management Address TLV. |
IEEE 802.1 extended TLV |
IEEE 802.1 organizationally specific TLVs: · Port PVID TLV. · Port and protocol VLAN ID TLV. · VLAN name TLV. · DCBX TLV. DCBX TLVs are not supported in the current software version. · Management VID TLV. |
IEEE 802.3 extended TLV |
IEEE 802.3 organizationally specific TLVs: · MAC-Physic TLV. · Power via MDI TLV. · Link aggregation TLV. · Maximum frame size TLV. |
LLDP-MED extend TLV |
LLDP-MED TLVs: · Capabilities TLV. · Network Policy TLV. · Extended Power-via-MDI TLV. · Location Identification TLV. · Inventory TLV. |
Inventory TLV |
Inventory TLVs: · Hardware Revision TLV. · Firmware Revision TLV. · Software Revision TLV. · Serial Number TLV. · Manufacturer Name TLV. · Model name TLV. · Asset ID TLV. |
lldp admin-status
Use lldp admin-status to set the LLDP operating mode.
Use undo lldp admin-status to restore the default.
Syntax
In Layer 2/Layer 3 Ethernet interface view:
lldp [ agent { nearest-customer | nearest-nontpmr } ] admin-status { disable | rx | tx | txrx }
undo lldp [ agent { nearest-customer | nearest-nontpmr } ] admin-status
In Layer 2/Layer 3 aggregate interface view:
lldp agent { nearest-customer | nearest-nontpmr } admin-status { disable | rx | tx | txrx }
undo lldp agent { nearest-customer | nearest-nontpmr } admin-status
Default
The nearest bridge agent operates in TxRx mode, and the nearest customer bridge agent and nearest non-TPMR bridge agent operate in Disable mode.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 2 aggregate interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Parameters
agent: Specifies an LLDP agent type. If you do not specify an agent type in Ethernet interface view, the command sets the operating mode for nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
disable: Specifies the Disable mode. A port in this mode cannot send or receive LLDP frames.
rx: Specifies the Rx mode. A port in this mode can only receive LLDP frames.
tx: Specifies the Tx mode. A port in this mode can only send LLDP frames.
txrx: Specifies the TxRx mode. A port in this mode can send and receive LLDP frames.
Examples
# Set the LLDP operating mode to Rx for the nearest customer bridge agents on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp agent nearest-customer admin-status rx
lldp check-change-interval
Use lldp check-change-interval to enable LLDP polling and set the polling interval.
Use undo lldp check-change-interval to disable LLDP polling.
Syntax
In Layer 2/Layer 3 Ethernet interface view:
lldp [ agent { nearest-customer | nearest-nontpmr } ] check-change-interval interval
undo lldp [ agent { nearest-customer | nearest-nontpmr } ] check-change-interval
In Layer 2/Layer 3 aggregate interface view:
lldp agent { nearest-customer | nearest-nontpmr } check-change-interval interval
undo lldp agent { nearest-customer | nearest-nontpmr } check-change-interval
Default
LLDP polling is disabled.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 2 aggregate interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Parameters
agent: Specifies an LLDP agent type. If you do not specify an agent type in Ethernet interface view, the command enables LLDP polling and sets the polling interval for nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
interval: Sets the LLDP polling interval in the range of 1 to 30 seconds.
Examples
# Enable LLDP polling and set the polling interval to 30 seconds for the nearest customer bridge agents on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp agent nearest-customer check-change-interval 30
lldp compliance admin-status cdp
Use lldp compliance admin-status cdp to set the operating mode of CDP-compatible LLDP.
Use undo lldp compliance admin-status cdp to restore the default.
Syntax
lldp compliance admin-status cdp { disable | rx | txrx }
undo lldp compliance admin-status cdp
Default
CDP-compatible LLDP operates in Disable mode.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
disable: Specifies the Disable mode. CDP-compatible LLDP in this mode cannot receive or transmit CDP packets.
txrx: Specifies the TxRx mode. CDP-compatible LLDP in this mode can send and receive CDP packets.
rx: Specifies the Rx mode. CDP-compatible LLDP in this mode can receive but cannot send CDP packets.
Usage guidelines
For your device to work with Cisco IP phones, you must perform the following tasks:
· Enable CDP-compatible LLDP globally.
· Configure CDP-compatible LLDP to operate in TxRx mode on the specified ports.
Examples
# Enable CDP-compatible LLDP globally and configure CDP-compatible LLDP to operate in TxRx mode on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] lldp compliance cdp
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp compliance admin-status cdp txrx
Related commands
lldp compliance cdp
lldp compliance cdp
Use lldp compliance cdp to enable CDP compatibility.
Use undo lldp compliance cdp to disable CDP compatibility.
Syntax
lldp compliance cdp
undo lldp compliance cdp
Default
CDP compatibility is disabled.
Views
System view
Predefined user roles
network-admin
Usage guidelines
The maximum TTL that CDP allows is 255 seconds. To make CDP-compatible LLDP work correctly with Cisco IP phones, set the LLDP frame transmission interval to be no more than 1/3 of the TTL value.
Examples
# Enable CDP compatibility.
<Sysname> system-view
[Sysname] lldp compliance cdp
Related commands
lldp hold-multiplier
lldp timer tx-interval
lldp enable
Use lldp enable to enable LLDP on a port.
Use undo lldp enable to disable LLDP on a port.
Syntax
lldp enable
undo lldp enable
Default
LLDP is enabled on a port.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 2 aggregate interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Usage guidelines
LLDP takes effect on a port only when LLDP is enabled both globally and on the port.
The enabling or disabling configuration of LLDP on an aggregate interface will not be synchronized to its member ports.
Examples
# Disable LLDP on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] undo lldp enable
Related commands
lldp global enable
lldp encapsulation snap
Use lldp encapsulation snap to set the encapsulation format for LLDP frames to SNAP.
Use undo lldp encapsulation to restore the default.
Syntax
In Layer 2/Layer 3 Ethernet interface view:
lldp [ agent { nearest-customer | nearest-nontpmr } ] encapsulation snap
undo lldp [ agent { nearest-customer | nearest-nontpmr } ] encapsulation
In Layer 2/Layer 3 aggregate interface view:
lldp agent { nearest-customer | nearest-nontpmr } encapsulation snap
undo lldp agent { nearest-customer | nearest-nontpmr } encapsulation
Default
The encapsulation format for LLDP frames is Ethernet II.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 2 aggregate interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Parameters
agent: Specifies an LLDP agent type. If you do not specify an agent type in Ethernet interface view, the command sets the LLDP frame encapsulation format for nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Usage guidelines
LLDP-CDP packets use only SNAP encapsulation.
Examples
# Set the encapsulation format for LLDP frames to SNAP on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp encapsulation snap
lldp fast-count
Use lldp fast-count to set the number of LLDP frames sent each time fast LLDP frame transmission is triggered.
Use undo lldp fast-count to restore the default.
Syntax
lldp fast-count count
undo lldp fast-count
Default
Four LLDP frames are sent each time fast LLDP frame transmission is triggered.
Views
System view
Predefined user roles
network-admin
Parameters
count: Sets the number of LLDP frames sent each time fast LLDP frame transmission is triggered. The value range is 1 to 8.
Examples
# Configure the device to send five LLDP frames each time fast LLDP frame transmission is triggered.
<Sysname> system-view
[Sysname] lldp fast-count 5
lldp global enable
Use lldp global enable to enable LLDP globally.
Use undo lldp global enable to disable LLDP globally.
Syntax
lldp global enable
undo lldp global enable
Default
LLDP is disabled globally.
Views
System view
Predefined user roles
network-admin
Usage guidelines
LLDP takes effect on a port only when LLDP is enabled both globally and on the port.
Examples
# Disable LLDP globally.
<Sysname> system-view
[Sysname] undo lldp global enable
Related commands
lldp enable
lldp global tlv-enable basic-tlv management-address-tlv
Use lldp global tlv-enable basic-tlv management-address-tlv to enable advertisement of the management address TLV globally and set the management address to be advertised.
Use undo lldp global tlv-enable basic-tlv management-address-tlv to disable advertisement of the management address TLV globally..
Syntax
lldp [ agent { nearest-customer | nearest-nontpmr } ] global tlv-enable basic-tlv management-address-tlv [ ipv6 ] { ip-address | interface loopback interface-number | interface vlan-interface interface-number }
undo lldp [ agent { nearest-customer | nearest-nontpmr } ] global tlv-enable basic-tlv management-address-tlv [ [ ipv6 ] { ip-address | interface loopback interface-number | interface vlan-interface interface-number } ]
Default
Advertisement of the management address TLV is disabled globally.
Views
System view
Predefined user roles
network-admin
Parameters
agent: Specifies an LLDP agent type. If you do not specify an agent type, this command applies to the nearest bridge agent.
· nearest-customer: Specifies the nearest customer bridge agent.
· nearest-nontpmr: Specifies the nearest non-TPMR bridge agent.
ipv6: Specifies an IPv6 management address. If you do not specify this keyword, an IPv4 management address will be advertised.
ip-address: Specifies the management address to be advertised.
interface loopback interface-number: Specifies a loopback interface by its number in the range of 0 to 127. The IP address of the loopback interface will be advertised as the management address. The value range for the interface-number argument is 0 to 1023.
interface vlan-interface interface-number: Specifies a VLAN interface by is number in the range of 1 to 4094. The IP address of the VLAN interface will be advertised as the management address.
Usage guidelines
You can configure advertisement of the management address TLV globally and on a per-interface basis. The device selects the management address TLV advertisement setting for an interface in the following order:
1. Interface-based setting, configured by using the lldp tlv-enable command with the management-address-tlv keyword.
2. Global setting, configured by using the lldp global tlv-enable basic-tlv management-address-tlv command.
3. Default setting for the interface.
By default:
¡ The nearest bridge agent and nearest customer bridge agent advertise the management address TLV.
¡ The nearest non-TPMR bridge agent does not advertise the management address TLV.
The IPv4 or IPv6 address of the LLDP frame sending port will be advertised as the management address when the following conditions exist:
· The ip-address argument is not configured.
· The specified loopback or VLAN interface does not have an IPv4 or IPv6 address, or the specified interface does not exist.
If the LLDP frame sending port does not have an IPv4 or IPv6 address, the MAC address of the port will be advertised.
The device supports advertising the IPv4 and IPv6 addresses of the LLDP frame sending ports as the management addresses at the same time.
If you configure the IP addresses of the same type multiple times, the most recent configuration takes effect.
Examples
# Enable advertisement of the management address TLV globally and set the advertised management address to 192.168.1.1.
<Sysname> system-view
[Sysname] lldp agent nearest-customer global tlv-enable basic-tlv management-address-tlv 192.168.1.1
Related commands
lldp tlv-enable
lldp hold-multiplier
Use lldp hold-multiplier to set the TTL multiplier.
Use undo lldp hold-multiplier to restore the default.
Syntax
lldp hold-multiplier value
undo lldp hold-multiplier
Default
The TTL multiplier is 4.
Views
System view
Predefined user roles
network-admin
Parameters
value: Sets the TTL multiplier in the range of 2 to 10.
Usage guidelines
The TTL TLV carried in an LLDPDU determines how long the device information carried in the LLDPDU can be saved on a recipient device.
By setting the TTL multiplier, you can set the TTL of locally sent LLDP frames. The TTL is expressed by using the following formula:
TTL = Min (65535, (TTL multiplier × LLDP frame transmission interval + 1))
As the expression shows, the TTL can be up to 65535 seconds.
Examples
# Set the TTL multiplier to 6.
<Sysname> system-view
[Sysname] lldp hold-multiplier 6
Related commands
lldp timer tx-interval
lldp ignore-pvid-inconsistency
Use lldp ignore-pvid-inconsistency to disable LLDP PVID inconsistency check.
Use undo lldp ignore-pvid-inconsistency to enable LLDP PVID inconsistency check.
Syntax
lldp ignore-pvid-inconsistency
undo lldp ignore-pvid-inconsistency
Default
LLDP PVID inconsistency check is enabled.
Views
System view
Default command level
network-admin
Usage guidelines
By default, when the system receives an LLDP packet, it compares the PVID value contained in packet with the PVID configured on the receiving interface. If the two PVIDs do not match, a log message will be printed to notify the user.
You can disable PVID inconsistency check if different PVIDs are required on a link.
Examples
# Disable LLDP PVID inconsistency check.
<Sysname> system-view
[Sysname] lldp ignore-pvid-inconsistency
lldp management-address
Use lldp management-address to enable the device to generate an ARP or ND entry after receiving an LLDP frame that carries a management address TLV.
Use undo lldp management-address to restore the default.
Syntax
In Layer 2 Ethernet interface view:
lldp management-address { arp-learning | nd-learning } vlan vlan-id
undo lldp management-address { arp-learning | nd-learning }
In Layer 3 Ethernet interface view:
lldp management-address { arp-learning | nd-learning } [ vlan vlan-id ]
undo lldp management-address { arp-learning | nd-learning }
In Layer 3 aggregate interface view:
lldp agent nearest-nontpmr management-address { arp-learning | nd-learning } [ vlan vlan-id ]
undo lldp agent nearest-nontpmr management-address { arp-learning | nd-learning }
Default
The device does not generate an ARP or ND entry after receiving an LLDP frame that carries a management address TLV.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Parameters
arp-learning: Generates an ARP entry if the received management address TLV contains an IPv4 address.
nd-learning: Generates an ND entry if the received management address TLV contains an IPv6 address.
vlan vlan-id: Specifies a VLAN ID. The value range for the vlan-id argument is 1 to 4094.
· In Layer 2 Ethernet interface view, specify the ID of the VLAN to which the generated ARP or ND entry belongs.
· In Layer 3 Ethernet or aggregate interface view, specify the ID of the Layer 3 Ethernet or aggregate subinterface that terminates the VLAN. The subinterface will be recorded as the output interface in the ARP or ND entry.
agent nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Usage guidelines
You can enable the device to generate both ARP entries and ND entries.
In Layer 2 Ethernet interface view, after you execute this command, the Layer 2 Ethernet interface is recorded as the output interface in the generated entries. The VLAN to which the entries belong is the VLAN specified by this command. The device cannot generate ARP or ND entries in one of the following situations:
· The specified VLAN or the corresponding VLAN interface does not exist.
· The VLAN interface to which the VLAN ID belongs is physically down.
In Layer 3 Ethernet or aggregate interface view, follow these guidelines when executing this command:
· If you specify the vlan vlan-id option, the Layer 3 Ethernet or aggregate subinterface that terminates the VLAN is recorded as the output interface in the generated ARP or ND entries. If the VLAN is not terminated by any Layer 3 Ethernet or aggregate subinterface or the vlan vlan-id option is not specified, the Layer 3 Ethernet or aggregate interface is recorded as the output interface. For more information about VLAN termination, see VLAN termination configuration in Layer 2—LAN Switching Configuration Guide.
· If you specify the vlan vlan-id option, and the VLAN ID is terminated by a Layer 3 Ethernet or aggregate subinterface, make sure the subinterface has an IP address. The IP address will be used for communications with the neighbor device.
This command must be configured together with the lldp source-mac vlan command. The lldp source-mac vlan command enables the device to use the MAC address of a VLAN interface, a Layer 3 Ethernet subinterface, or a Layer 3 aggregate subinterface instead of the egress interface's MAC address as the source MAC address of LLDP frames. This ensures that the LLDP neighbor can learn correct ARP or ND entries.
Examples
# Configure Layer 2 Ethernet interface GigabitEthernet 0/0/1 to generate an ARP entry after receiving an LLDP frame carrying an IPv4 management address TLV.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp management-address arp-learning vlan 1
Related commands
lldp source-mac vlan
lldp management-address-format string
Use lldp management-address-format string to set the encoding format of the management address to string.
Use undo lldp management-address-format to restore the default.
Syntax
In Layer 2/Layer 3 Ethernet interface view:
lldp [ agent { nearest-customer | nearest-nontpmr } ] management-address-format string
undo lldp [ agent { nearest-customer | nearest-nontpmr } ] management-address-format
In Layer 2/Layer 3 aggregate interface view:
lldp agent { nearest-customer | nearest-nontpmr } management-address-format string
undo lldp agent { nearest-customer | nearest-nontpmr } management-address-format
Default
The encoding format of the management address is numeric.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 2 aggregate interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Parameters
agent: Specifies an LLDP agent type. If you do not specify an agent type in Ethernet interface view, the command sets the encoding format of the management address for nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Usage guidelines
LLDP neighbors must use the same encoding format for the management address.
The device supports only the numeric encoding format for IPv6 management addresses.
Examples
# Set the encoding format of the management address to string for the nearest customer bridge agents on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp agent nearest-customer management-address-format string
lldp max-credit
Use lldp max-credit to set the token bucket size for sending LLDP frames.
Use undo lldp max-credit to restore the default.
Syntax
lldp max-credit credit-value
undo lldp max-credit
Default
The token bucket size for sending LLDP frames is 5.
Views
System view
Predefined user roles
network-admin
Parameters
credit-value: Specifies the token bucket size for sending LLDP frames, in the range of 1 to 100.
Examples
# Set the token bucket size for sending LLDP frames to 10.
<Sysname> system-view
[Sysname] lldp max-credit 10
lldp mode
Use lldp mode to configure LLDP to operate in service bridge mode.
Use undo lldp mode to restore the default.
Syntax
lldp mode service-bridge
undo lldp mode
Default
LLDP operates in customer bridge mode.
Views
System view
Predefined user roles
network-admin
Parameters
service-bridge: Specifies the service bridge mode.
Usage guidelines
The LLDP agent types supported by LLDP depend on the LLDP bridge mode:
· Service bridge mode—LLDP supports nearest bridge agents and nearest non-TPMR bridge agents. LLDP processes the LLDP frames with destination MAC addresses for these agents and transparently transmits the LLDP frames with other destination MAC addresses in a VLAN.
· Customer bridge mode—LLDP supports nearest bridge agents, nearest non-TPMR bridge agents, and nearest customer bridge agents. LLDP processes the LLDP frames with destination MAC addresses for these agents and transparently transmits the LLDP frames with other destination MAC addresses in a VLAN.
The bridge mode configuration takes effect only when LLDP is enabled globally. If LLDP is disabled globally, LLDP can only operate in customer bridge mode.
Examples
# Configure LLDP to operate in service bridge mode.
<Sysname> system-view
[Sysname] lldp mode service-bridge
Related commands
lldp global enable
lldp neighbor-identity chassis-id
Use lldp neighbor-identity chassis-id to configure the chassis ID TLV criterion for neighbor validation.
Use undo lldp neighbor-identity chassis-id to restore the default.
Syntax
lldp neighbor-identity chassis-id chassis-id-subtype chassis-id
undo lldp neighbor-identity chassis-id
Default
No chassis ID TLV criterion is configured on an interface for neighbor validation.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
chassis-id-subtype: Specifies the chassis ID subtype. The value is an integer in the range of 1 to 7. The chassis ID subtype indicates the type of identifier used for the chassis. Table 6 lists the available chassis ID subtypes and the ID bases.
Chassis ID subtype |
ID basis |
1 |
Chassis component |
2 |
Interface alias |
3 |
Port component |
4 |
MAC address |
5 |
Network address |
6 |
Interface name |
7 |
Locally assigned |
chassis-id: Specifies the chassis ID, a case-sensitive string of 1 to 255 characters.
Usage guidelines
The chassis ID TLV criterion configured on an interface takes effect only after the lldp neighbor-protection validation command is configured on the interface.
If you execute this command multiple times for an interface, the most recent configuration takes effect.
Examples
# Configure the chassis ID TLV criterion on GigabitEthernet0/0/1 for neighbor validation.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp neighbor-identity chassis-id 4 0012-2255-7766
Related commands
lldp neighbor-protection validation
lldp neighbor-identity port-id
Use lldp neighbor-identity port-id to configure the port ID TLV criterion for neighbor validation.
Use undo lldp neighbor-identity port-id to restore the default.
Syntax
lldp neighbor-identity port-id port-id-subtype port-id
undo lldp neighbor-identity port-id
Default
No port ID TLV criterion is configured on an interface for neighbor validation.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
port-id-subtype: Specifies the port ID subtype. The value is an integer in the range of 1 to 7. The port ID subtype indicates the type of identifier used for the port. Table 7 lists the available port ID subtypes and the ID bases.
Port ID subtype |
ID basis |
1 |
Interface alias |
2 |
Port component |
3 |
MAC address |
4 |
Network address |
5 |
Interface name |
6 |
Agent circuit ID |
7 |
Locally assigned |
port-id: Specifies the port ID, a case-sensitive string of 1 to 255 characters.
Usage guidelines
The port ID TLV criterion configured on an interface takes effect only after the lldp neighbor-protection validation command is configured on the interface.
If you execute this command multiple times for an interface, the most recent configuration takes effect.
Examples
# Configure the port ID TLV on GigabitEthernet0/0/1 for neighbor validation.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp neighbor-identity port-id 5 gigabitethernet 0/0/1
Related commands
lldp neighbor-protection validation
lldp neighbor-protection aging
Use lldp neighbor-protection aging to enable LLDP neighbor aging and configure the protection action on an interface.
Use undo lldp neighbor-protection aging to restore the default.
Syntax
lldp neighbor-protection aging { block | shutdown }
undo lldp neighbor-protection aging
Default
LLDP neighbor aging is disabled on an interface
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Parameters
block: Blocks the interface. The block action places the data link layer protocol of the interface in DOWN state. In this state, the interface cannot transfer data packets. The data transfer capability is automatically recovered when the interface receives an LLDP packet.
shutdown: Shuts down the interface. The shutdown action places the interface in LLDP DOWN state. In this state, the interface can neither transfer data packets nor LLDP packets. You must manually execute the undo lldp neighbor-protection aging or undo shutdown command to bring up the interface.
Examples
# Enable LLDP neighbor aging on GigabitEthernet0/0/1 and set the protection action to block.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp neighbor-protection aging block
Related commands
lldp hold-multiplier
lldp timer tx-interval
lldp neighbor-protection validation
Use lldp neighbor-protection validation to enable neighbor validation on an interface.
Use undo lldp neighbor-protection validation to restore the default.
Syntax
lldp neighbor-protection validation
undo lldp neighbor-protection validation
Default
Neighbor validation is disabled on an interface.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Usage guidelines
LLDP neighbor validation enables an interface to validate the identity of the neighbor based on the neighbor validation criteria configured on the interface. The neighbor validation criteria can be the chassis ID TLV, port ID TLV, or both. Each incoming LLDP packet must match all the validation criteria configured on the interface. If the neighbor information in a packet does not match the criteria, the system shuts down the data link layer and disables data transmission for the interface.
For neighbor validation to work, you must configure a minimum of one neighbor validation criterion on the interface by using the lldp neighbor-identity command.
Examples
# Enable neighbor validation on GigabitEthernet0/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp neighbor-protection validation
Related commands
lldp neighbor-identity chassis-id
lldp neighbor-identity port-id
lldp notification med-topology-change enable
Use lldp notification med-topology-change enable to enable LLDP-MED trapping.
Use undo lldp notification med-topology-change enable to disable LLDP-MED trapping.
Syntax
lldp notification med-topology-change enable
undo lldp notification med-topology-change enable
Default
LLDP-MED trapping is disabled.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Predefined user roles
network-admin
Usage guidelines
In the early stage of networking, the network topology changes frequently. If this command is used, the device will frequently send trap information to the network management system, which increases the system burden and wastes resources. As a best practice, do not enable LLDP-MED trapping in the early stage of networking.
Examples
# Enable LLDP-MED trapping on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp notification med-topology-change enable
lldp notification remote-change enable
Use lldp notification remote-change enable to enable LLDP trapping.
Use undo lldp notification remote-change enable to disable LLDP trapping.
Syntax
In Layer 2/Layer 3 Ethernet interface view:
lldp [ agent { nearest-customer | nearest-nontpmr } ] notification remote-change enable
undo lldp [ agent { nearest-customer | nearest-nontpmr } ] notification remote-change enable
In Layer 2/Layer 3 aggregate interface view:
lldp agent { nearest-customer | nearest-nontpmr } notification remote-change enable
undo lldp agent { nearest-customer | nearest-nontpmr } notification remote-change enable
Default
LLDP trapping is disabled.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 2 aggregate interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Parameters
agent: Specifies an LLDP agent type. If you do not specify an agent type in Ethernet interface view, the command enables LLDP trapping for nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Usage guidelines
In the early stage of networking, the network topology changes frequently. If this command is used, the device will frequently send trap information to the network management system, which increases the system burden and wastes resources. As a best practice, do not enable LLDP trapping in the early stage of networking.
Examples
# Enable LLDP trapping for the nearest customer bridge agent on GigabitEthernet 0/0/1.
<Sysname> system-view
[Sysname] interface GigabitEthernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp agent nearest-customer notification remote-change enable
lldp source-mac vlan
Use lldp source-mac vlan to set the source MAC address of outgoing LLDP frames to the MAC address of a VLAN interface or a Layer 3 Ethernet/aggregate subinterface.
Use undo lldp source-mac vlan to restore the default.
Syntax
lldp source-mac vlan vlan-id
undo lldp source-mac vlan
Default
The source MAC address of LLDP frames is the MAC address of the egress Layer 2 Ethernet interface, Layer 3 Ethernet interface, or Layer 3 aggregate interface.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 3 aggregate interface view
Default command level
network-admin
Parameters
vlan vlan-id: Specifies a VLAN ID. The value range for the vlan-id argument is 1 to 4094.
· In Layer 2 Ethernet interface view, specify the ID of a VLAN. The MAC address of the VLAN interface will be used as the source MAC address of outgoing LLDP frames.
· In Layer 3 Ethernet/aggregate interface view, specify the ID of the Layer 3 Ethernet/aggregate subinterface that terminates the VLAN.
Usage guidelines
This command must be configured together with the lldp management-address arp-learning command to meet the following requirements:
· The source MAC address of outgoing LLDP frames is the MAC address of a VLAN interface or a Layer 3 Ethernet/aggregate subinterface instead of the MAC address of the egress interface.
· LLDP neighbor can learn correct ARP or ND entries.
In Layer 2 Ethernet interface view, the source MAC address of outgoing LLDP frames is the MAC address of a VLAN interface to which the specified VLAN ID belongs. The source MAC address of outgoing LLDP frames is the MAC address of the Layer 2 Ethernet interface in the following situations:
· The specified VLAN or the corresponding VLAN interface does not exist.
· The VLAN interface to which the VLAN ID belongs is physically down.
In Layer 3 Ethernet/aggregate interface view, the MAC address of the Layer 3 Ethernet/aggregate subinterface that terminates the specified VLAN is used as the source MAC address of outgoing LLDP frames. If the VLAN is not terminated by any Layer 3 Ethernet/aggregate subinterface, the MAC address of the Layer 3 Ethernet/aggregate interface is used as the source MAC address of outgoing LLDP frames. For more information about VLAN termination, see VLAN termination configuration in Layer 2—LAN Switching Configuration Guide.
Examples
# Set the source MAC address of LLDP frames to the MAC address of a VLAN interface.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp source-mac vlan 4094
Related commands
lldp management-address
lldp timer fast-interval
Use lldp timer fast-interval to set an interval for fast LLDP frame transmission.
Use undo lldp timer fast-interval to restore the default.
Syntax
lldp timer fast-interval interval
undo lldp timer fast-interval
Default
The interval for fast LLDP frame transmission is 1 second.
Views
System view
Predefined user roles
network-admin
Parameters
interval: Sets an interval for fast LLDP frame transmission, in the range of 1 to 3600 seconds.
Examples
# Set the interval for fast LLDP frame transmission to 2 seconds.
<Sysname> system-view
[Sysname] lldp timer fast-interval 2
lldp timer notification-interval
Use lldp timer notification-interval to set the LLDP trap and LLDP-MED trap transmission interval.
Use undo lldp timer notification-interval to restore the default.
Syntax
lldp timer notification-interval interval
undo lldp timer notification-interval
Default
The LLDP trap and LLDP-MED trap transmission interval is 30 seconds.
Views
System view
Predefined user roles
network-admin
Parameters
interval: Sets the LLDP trap and LLDP-MED trap transmission interval in the range of 5 to 3600 seconds.
Usage guidelines
The influences of the LLDP trap and LLDP-MED trap transmission interval are as follows:
· If the interval value is large, the trap sending frequency is low, which occupies fewer system resources. This is suitable for scenarios where the network topology on the device changes frequently. However, do not set the interval to a too large value. If the interval value is too large, the network management system cannot identify neighbor changes in time, which will cause the network topology on the device not to update in time.
· If the interval value is small, the trap sending frequency is high. This is suitable for topology-sensitive scenarios. However, do not set the interval to a too small value. If the interval value is too small, the network management system will frequently refresh the neighbor status information. This will not only occupies too many system resources but also cause network topology vibration on the device.
Examples
# Set both the LLDP trap and LLDP-MED trap transmission interval to 8 seconds.
<Sysname> system-view
[Sysname] lldp timer notification-interval 8
lldp timer reinit-delay
Use lldp timer reinit-delay to set the LLDP reinitialization delay.
Use undo lldp timer reinit-delay to restore the default.
Syntax
lldp timer reinit-delay delay
undo lldp timer reinit-delay
Default
The LLDP reinitialization delay is 2 seconds.
Views
System view
Predefined user roles
network-admin
Parameters
delay: Sets the LLDP reinitialization delay in the range of 1 to 10 seconds.
Examples
# Set the LLDP reinitialization delay to 4 seconds.
<Sysname> system-view
[Sysname] lldp timer reinit-delay 4
lldp timer rx-timeout
Use lldp timer rx-timeout to set the timeout for receiving LLDP frames and enable the device to report no LLDP neighbor events.
Use undo lldp timer rx-timeout to restore the default.
Syntax
lldp timer rx-timeout timeout
undo lldp timer rx-timeout
Default
No timeout is set for receiving LLDP frames, and the device does not report no LLDP neighbor events.
Views
System view
Predefined user roles
network-admin
Parameters
timeout: Sets the timeout for receiving LLDP frames, in the range of 30 to 32768 seconds.
Usage guidelines
This command can detect only directly connected LLDP neighbors.
When you use this command, make sure the following requirements are met:
· LLDP is enabled.
· Interfaces are physically up.
· Nearest bridge agents operate in Rx or TxRx mode.
After this command is executed, the device restarts the timeout timer for receiving LLDP frames on an interface in one of the following situations:
· When LLDP is enabled, the interface state changes from down to up.
· When the interface is physically up, LLDP is enabled.
· When LLDP is enabled and the interface is physically up, the mode of nearest bridge agents is changed from disabled to Rx or TxRx.
If an interface has not received any LLDP frames when the timeout timer expires, the device reports a no LLDP neighbor event to the NETCONF module.
To avoid misdetection, make sure the timeout for receiving LLDP frames is greater than the LLDP frame transmission interval.
Examples
# Set the timeout for receiving LLDP frames to 30 seconds.
<Sysname> system-view
[Sysname] lldp timer rx-timeout 30
Related commands
lldp timer tx-interval
lldp timer tx-interval
Use lldp timer tx-interval to set the LLDP frame transmission interval.
Use undo lldp timer tx-interval to restore the default.
Syntax
lldp timer tx-interval interval
undo lldp timer tx-interval
Default
The LLDP frame transmission interval is 30 seconds.
Views
System view
Predefined user roles
network-admin
Parameters
interval: Sets the LLDP frame transmission interval in the range of 1 to 32768 seconds.
Examples
# Set the LLDP frame transmission interval to 20 seconds.
<Sysname> system-view
[Sysname] lldp timer tx-interval 20
lldp tlv-enable
Use lldp tlv-enable to configure the types of advertisable TLVs on a port.
Use undo lldp tlv-enable to disable the advertising of the specified types of TLVs on a port.
Syntax
In Layer 2 Ethernet interface view:
· For nearest bridge agents:
lldp tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address | interface loopback interface-number ] } | dot1-tlv { all | port-vlan-id | link-aggregation | protocol-vlan-id [ vlan-id ] | vlan-name [ vlan-id ] | management-vid [ mvlan-id ] } | dot3-tlv { all | mac-physic | max-frame-size | power } | med-tlv { all | capability | inventory | power-over-ethernet | location-id { civic-address device-type country-code { ca-type ca-value }&<1-10> | elin-address tel-number } } }
undo lldp tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address | interface loopback interface-number ] } | dot1-tlv { all | port-vlan-id | link-aggregation | protocol-vlan-id | vlan-name | management-vid } | dot3-tlv { all | mac-physic | max-frame-size | power } | med-tlv { all | capability | inventory | power-over-ethernet | location-id } }
· For nearest non-TPMR bridge agents:
lldp agent nearest-nontpmr tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address ] } | dot1-tlv { all | port-vlan-id | link-aggregation } }
lldp tlv-enable dot1-tlv { protocol-vlan-id [ vlan-id ] | vlan-name [ vlan-id ] | management-vid [ mvlan-id ] }
undo lldp agent nearest-nontpmr tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address ] } | dot1-tlv { all | port-vlan-id | link-aggregation } }
undo lldp tlv-enable dot1-tlv { protocol-vlan-id | vlan-name | management-vid }
· For nearest customer bridge agents:
lldp agent nearest-customer tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address ] } | dot1-tlv { all | port-vlan-id | link-aggregation } }
lldp tlv-enable dot1-tlv { protocol-vlan-id [ vlan-id ] | vlan-name [ vlan-id ] | management-vid [ mvlan-id ] }
undo lldp agent nearest-customer tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address ] } | dot1-tlv { all | port-vlan-id | link-aggregation } }
undo lldp tlv-enable dot1-tlv { protocol-vlan-id | vlan-name | management-vid }
In Layer 3 Ethernet interface view:
lldp tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address | interface loopback interface-number ] } | dot1-tlv { all | link-aggregation } | dot3-tlv { all | mac-physic | max-frame-size | power } | med-tlv { all | capability | inventory | power-over-ethernet | location-id { civic-address device-type country-code { ca-type ca-value }&<1-10> | elin-address tel-number } } }
lldp agent { nearest-nontpmr | nearest-customer } tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address ] } | dot1-tlv { all | link-aggregation } }
undo lldp tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address | interface loopback interface-number ] } | dot1-tlv { all | link-aggregation } | dot3-tlv { all | mac-physic | max-frame-size | power } | med-tlv { all | capability | inventory | power-over-ethernet | location-id } }
undo lldp agent { nearest-nontpmr | nearest-customer } tlv-enable { basic-tlv { all | port-description | system-capability | system-description | system-name | management-address-tlv [ ipv6 ] [ ip-address ] } | dot1-tlv { all | link-aggregation } }
In Layer 2 aggregate interface view:
lldp agent nearest-nontpmr tlv-enable { basic-tlv { all | management-address-tlv [ ipv6 ] [ ip-address ] | port-description | system-capability | system-description | system-name } | dot1-tlv { all | port-vlan-id } }
lldp agent nearest-customer tlv-enable { basic-tlv { all | management-address-tlv [ ipv6 ] [ ip-address ] | port-description | system-capability | system-description | system-name } | dot1-tlv { all | port-vlan-id } }
lldp tlv-enable dot1-tlv { protocol-vlan-id [ vlan-id ] | vlan-name [ vlan-id ] | management-vid [ mvlan-id ] }
undo lldp agent nearest-nontpmr tlv-enable { basic-tlv { all | management-address-tlv [ ipv6 ] [ ip-address ] | port-description | system-capability | system-description | system-name } | dot1-tlv { all | port-vlan-id } }
undo lldp agent nearest-customer tlv-enable { basic-tlv { all | management-address-tlv [ ipv6 ] [ ip-address ] | port-description | system-capability | system-description | system-name } | dot1-tlv { all | port-vlan-id } }
undo lldp tlv-enable dot1-tlv { protocol-vlan-id | vlan-name | management-vid }
In Layer 3 aggregate interface view:
lldp agent { nearest-customer | nearest-nontpmr } tlv-enable basic-tlv { all | management-address-tlv [ ipv6 ] [ ip-address ] | port-description | system-capability | system-description | system-name }
lldp agent nearest-nontpmr tlv-enable basic-tlv management-address-tlv [ ipv6 ] [ ip-address | interface loopback interface-number ]
undo lldp agent { nearest-customer | nearest-nontpmr } tlv-enable basic-tlv { all | management-address-tlv [ ipv6 ] [ ip-address ] | port-description | system-capability | system-description | system-name }
undo lldp agent nearest-nontpmr tlv-enable basic-tlv management-address-tlv [ ipv6 ] [ ip-address | interface loopback interface-number ]
Default
On Layer 2 Ethernet interfaces:
· Nearest bridge agents can advertise all types of LLDP TLVs except the following types:
¡ Location identification TLVs.
¡ Port and protocol VLAN ID TLVs.
¡ VLAN name TLVs.
¡ Management VLAN ID TLVs.
· Nearest non-TPMR bridge agents do not advertise any TLVs.
· Nearest customer bridge agents can advertise basic TLVs and IEEE 802.1 organizationally specific TLVs.
On Layer 3 Ethernet interfaces or :
· Nearest bridge agents can advertise all types of LLDP TLVs except network policy TLVs. Among all the IEEE 802.1 organizationally specific TLVs, only the link aggregation TLV is supported.
· Nearest non-TPMR bridge agents do not advertise TLVs.
· Nearest customer bridge agents can advertise basic TLVs and IEEE 802.1 organizationally specific TLVs (only link aggregation TLV is supported).
On Layer 2 aggregate interfaces:
· Nearest non-TPMR bridge agents do not advertise any TLVs.
· Nearest customer bridge agents can advertise basic TLVs and IEEE 802.1 organizationally specific TLVs. Among the IEEE 802.1 organizationally specific TLVs, only port and protocol VLAN ID TLVs, VLAN name TLVs, and management VLAN ID TLVs are supported.
On Layer 3 aggregate interfaces:
· Nearest non-TPMR bridge agents do not advertise TLVs.
· Nearest customer bridge agents can advertise only basic TLVs.
Views
Layer 2 Ethernet interface view
Layer 3 Ethernet interface view
Layer 2 aggregate interface view
Layer 3 aggregate interface view
Predefined user roles
network-admin
Parameters
agent: Specifies an LLDP agent type. If you do not specify an agent type in Ethernet interface view, the command configures the types of advertisable TLVs for nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
all: Advertises all TLVs of the specified type. This keyword enables the interface to advertise following TLVs:
· All basic LLDP TLVs if the all keyword is specified for basic-tlv.
· All IEEE 802.1 organizationally specific LLDP TLVs if the all keyword is specified for dot1-tlv.
· All IEEE 802.3 organizationally specific LLDP TLVs if the all keyword is specified for dot3-tlv.
· All LLDP-MED TLVs except location identification TLVs if the all keyword is specified for med-tlv.
basic-tlv: Advertises basic LLDP TLVs.
management-address-tlv [ ipv6 ] [ ip-address | interface loopback interface-number ]: Advertises management address TLVs. The ipv6 keyword indicates that the management address to be advertised is in IPv6 format. The ip-address argument specifies the management address to be advertised. The interface loopback interface-number option specifies the management address as the IP address of a loopback interface specified by its number. By default, the following rules apply:
· When you execute the lldp tlv-enable command:
¡ For a Layer 2 Ethernet interface, the IPv4 or IPv6 address of a VLAN interface will be advertised as the management address when one of the following conditions exists:
- Both the ip-address argument and the interface loopback interface-number option are not configured.
- The specified loopback interface does not have an IPv4 or IPv6 address, or the specified loopback interface does not exist.
The VLAN interface belongs to a VLAN that meets the following requirements:
- In up state.
- The corresponding VLAN ID is the lowest among the VLANs permitted on the interface.
If you specify the ipv6 keyword, the IPv6 address of the VLAN interface will be advertised. If you do not specify the ipv6 keyword, both the IPv4 and IPv6 addresses of the VLAN interface will be advertised.
If none of the VLAN interfaces of the permitted VLANs is assigned an IPv4 or IPv6 address or all VLAN interfaces are down, the MAC address of the interface will be advertised.
¡ For a Layer 2 aggregate interface, the IPv4 or IPv6 address of a VLAN interface will be advertised as the management address if the ip-address argument is not configured.
The VLAN interface belongs to a VLAN that meets the following requirements:
- In up state.
- The corresponding VLAN ID is the lowest among the VLANs permitted on the interface.
If you specify the ipv6 keyword, the IPv6 address of the VLAN interface will be advertised. If you do not specify the ipv6 keyword, both the IPv4 and IPv6 addresses of the VLAN interface will be advertised.
If none of the VLAN interfaces of the permitted VLANs is assigned an IPv4 or IPv6 address or all VLAN interfaces are down, the MAC address of the interface will be advertised.
¡ For a Layer 3 Ethernet interface, the IPv4 or IPv6 address of the interface will be advertised when the following conditions exist:
- The ip-address argument is not configured.
- The specified loopback interface does not have an IPv4 or IPv6 address, or the specified loopback interface does not exist.
If you specify the ipv6 keyword, the IPv6 address of the interface will be advertised. If you do not specify the ipv6 keyword, both the IPv4 and IPv6 addresses of the interface will be advertised.
If the interface does not have an IPv4 or IPv6 address, the MAC address of the interface will be advertised.
¡ For a Layer 3 aggregate interface or synchronous serial interface, the IPv4 or IPv6 address of the interface will be advertised when the following conditions exist:
- The ip-address argument is not configured.
- The specified loopback interface does not have an IPv4 or IPv6 address, or the specified loopback interface does not exist.
If you specify the ipv6 keyword, the IPv6 address of the interface will be advertised. If you do not specify the ipv6 keyword, both the IPv4 and IPv6 addresses of the interface will be advertised.
If the interface does not have an IPv4 or IPv6 address, the MAC address of the interface will be advertised.
· When you execute the undo lldp tlv-enable command:
¡ For a Layer 2/Layer 3 Ethernet interface or Layer 2/Layer 3 aggregate interface:
- If you do not specify ip-address, ipv6, or interface loopback interface-number, the interface does not advertise any management address TLVs.
- If you specify ip-address, ipv6, or interface loopback interface-number, the interface advertises the default management address TLVs.
port-description: Advertises port description TLVs.
system-capability: Advertises system capabilities TLVs.
system-description: Advertises system description TLVs.
system-name: Advertises system name TLVs.
dot1-tlv: Advertises IEEE 802.1 organizationally specific LLDP TLVs.
port-vlan-id: Advertises port VLAN ID TLVs.
protocol-vlan-id [ vlan-id ]: Advertises port and protocol VLAN ID TLVs. The vlan-id argument specifies a VLAN ID in the TLVs to be advertised. The VLAN ID is in the range of 1 to 4094, and the default is the lowest VLAN ID on the port.
vlan-name [ vlan-id ]: Advertises VLAN name TLVs. The vlan-id argument specifies a VLAN ID in the TLVs to be advertised. The VLAN ID is in the range of 1 to 4094, and the default is the lowest VLAN ID on the port. If you do not specify a VLAN ID and the port is not assigned to any VLAN, the PVID of the port is advertised.
management-vid [ mvlan-id ]: Advertises management VLAN ID TLVs. The mvlan-id argument specifies a management VLAN ID in the TLVs to be advertised. The management VLAN ID is in the range of 1 to 4094. If you do not specify this option, the value 0 is advertised, which means that the LLDP agent is not configured with a management VLAN ID.
link-aggregation: Advertises link aggregation TLVs.
dot3-tlv: Advertises IEEE 802.3 organizationally specific LLDP TLVs.
mac-physic: Advertises MAC/PHY configuration/status TLVs.
max-frame-size: Advertises maximum frame size TLVs.
power: Advertises power via MDI TLVs and power stateful control TLVs.
med-tlv: Advertises LLDP-MED TLVs.
capability: Advertises LLDP-MED capabilities TLVs.
inventory: Advertises the following TLVs: hardware revision, firmware revision, software revision, serial number, manufacturer name, model name, and asset ID.
power-over-ethernet: Advertises extended power-via-MDI TLVs.
location-id: Advertises location identification TLVs.
civic-address: Inserts the typical address information about the network device in location identification TLVs .
device-type: Sets a device type value in the range of 0 to 2:
· Value 0 specifies a DHCP server.
· Value 1 specifies a network device.
· Value 2 specifies an LLDP-MED endpoint.
country-code: Sets a country code defined in ISO 3166.
{ ca-type ca-value }&<1-10>: Configures address information. ca-type represents the address information type in the range of 0 to 255. ca-value represents address information, a string of 1 to 250 characters. &<1-10> indicates that you can specify up to 10 ca-type ca-value pairs.
elin-address: Inserts telephone numbers for emergencies in location identification TLVs.
tel-number: Sets the telephone number for emergencies, a string of 10 to 25 characters.
Usage guidelines
Nearest bridge agents are not supported on aggregate interfaces.
You can enable the device to advertise multiple types of TLVs by using this command without the all keyword specified.
If the MAC/PHY configuration/status TLV is not advertisable, none of the LLDP-MED TLVs will be advertised whether or not they are advertisable. If the LLDP-MED capabilities TLV is not advertisable, the other LLDP-MED TLVs will not be advertised regardless of whether or not they are advertisable.
The port and protocol VLAN ID, VLAN name, and management VLAN ID TLVs in IEEE 802.1 organizationally specific LLDP TLVs can be configured only for nearest bridge agents. The configuration can be inherited by nearest customer bridge agents and nearest non-TPMR bridge agents.
Examples
# Enable the nearest customer bridge agents on GigabitEthernet 0/0/1 to advertise link aggregation TLVs of the IEEE 802.1 organizationally specific TLVs.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/0/1
[Sysname-GigabitEthernet0/0/1] lldp agent nearest-customer tlv-enable dot1-tlv link-aggregation
reset lldp statistics
Use reset lldp statistics to clear LLDP statistics on ports.
Syntax
reset lldp statistics [ interface interface-type interface number ] [ agent { nearest-bridge | nearest-customer | nearest-nontpmr } ]
Views
User view
Predefined user roles
network-admin
Parameters
interface interface-type interface-number: Specifies a port by its type and number. If you do not specify this option, the command clears LLDP statistics on all ports.
agent: Specifies an agent type. If you do not specify an agent type, the command clears LLDP statistics for all LLDP agents.
nearest-bridge: Specifies nearest bridge agents.
nearest-customer: Specifies nearest customer bridge agents.
nearest-nontpmr: Specifies nearest non-TPMR bridge agents.
Usage guidelines
If you do not specify any parameters, the reset lldp statistics command clears LLDP statistics on all ports but does not clear global LLDP statistics.
Examples
# Clear LLDP statistics on all ports.
<Sysname> reset lldp statistics
Related commands
display lldp statistic