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| Title | Size | Download |
|---|---|---|
| 05-ATM commands | 233.37 KB |
ATM commands
ATM is supported only when the router is installed with the ATM-OC3, ADSL2+, G.shdsl, or G.shdsl.Bis interface module.
bandwidth
Use bandwidth to configure the expected bandwidth for an interface.
Use undo bandwidth to restore the default.
Syntax
bandwidth bandwidth-value
undo bandwidth
Default
The expected bandwidth (in kbps) is the interface baud rate divided by 1000.
Views
VEth interface view
VEth subinterface view
Predefined user roles
network-admin
Parameters
bandwidth-value: Specifies the expected bandwidth in the range of 1 to 400000000 kbps.
Usage guidelines
The expected bandwidth of an interface affects the link costs of IS-IS, OSPF, and OSPFv3. For more information, see Layer 3—IP Routing Configuration Guides.
Examples
# Set the expected bandwidth of Virtual-Ethernet 2/4/1 to 50 kbps.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1
[Sysname-Virtual-Ethernet2/4/1] bandwidth 50
broadcast
Use broadcast to enable the broadcast attribute for a PVC or PVC group.
Use undo broadcast to disable the broadcast attribute for a PVC or PVC group.
Syntax
broadcast
undo broadcast
Default
The broadcast attribute is disabled.
Views
PVC view
PVC group view
Predefined user roles
network-admin
Usage guidelines
On an ATM interface, multicast or broadcast packets are sent through all PVCs or PVC groups with the broadcast attribute enabled.
You must configure this command on a PVC or PVC group where broadcast or multicast packets must be sent. For example, to establish PIM neighbors between two routers on an ATM link through exchanging IP multicast packets, you must enable the broadcast attribute for PVCs on the ATM interfaces of both ends on the link.
This command is not applicable to PVCs in a PVC group.
Examples
# Enable the broadcast attribute for PVC 0/100.
<Sysname> system-view
[Sysname] interface atm 2/4/1.1
[Sysname-ATM2/4/1.1] pvc 0/100
[Sysname-ATM2/4/1.1-pvc-0/100] broadcast
default
Use default to restore the default settings for an interface.
Syntax
default
Views
VEth interface view
VEth subinterface view
Predefined user roles
network-admin
Usage guidelines
|
|
CAUTION: The default command might interrupt ongoing network services. Make sure you are fully aware of the impacts of this command when you use it on a live network. |
This command might fail to restore the default settings for some commands for reasons such as command dependencies or system restrictions. Use the display this command in interface view to identify these commands, and then use their undo forms or follow the command reference to individually restore their default settings. If your restoration attempt still fails, follow the error message instructions to resolve the problem.
Examples
# Restore the default settings of Virtual-Ethernet 2/4/1.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1
[Sysname-Virtual-Ethernet2/4/1] default
description
Use description to configure the description of an interface.
Use undo description to restore the default.
Syntax
description text
undo description
Default
The description for an interface is interface name Interface, for example, Virtual-Ethernet 2/4/1 Interface.
Views
VEth interface view
VEth subinterface view
Predefined user roles
network-admin
Parameters
text: Specifies the interface description, a case-sensitive string of 1 to 255 characters.
Examples
# Set the description for Virtual-Ethernet 2/4/1 to Virtual-Ethernet.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1
[Sysname-Virtual-Ethernet2/4/1] description Virtual-Ethernet
display atm map-info
Use display atm map-info to display mapping information about PVCs or PVC groups.
Syntax
display atm map-info [ interface interface-type { interface-number | interface-number.subnumber } [ pvc { pvc-name | vpi/vci } | pvc-group group-number ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type { interface-number | interface-number.subnumber }: Specifies an interface by its type and number. Both ATM interfaces and ATM subinterfaces are supported.
pvc: Displays mapping information for a PVC.
pvc-name: Specifies a PVC by its name, a case-sensitive string of 1 to 15 characters excluding slashes (/) and hyphens (-). For example, neither 1/20 nor a-b is a valid PVC name.
vpi/vci: Specifies a PVC by its VPI and VCI values. The value range for the vpi argument is 0 to 255. The value range for the vci argument varies by interface type. For more information, see Table 8. The values of the vpi and vci arguments cannot be 0 at the same time. As a best practice, do not use VCI values 0 through 31 because they are reserved for special purposes.
pvc-group group-number: Specifies a PVC group by its number in the range of 1 to 128.
Usage guidelines
If you do not specify an ATM interface, this command displays mapping information for all PVCs and PVC groups on all ATM interfaces.
If you specify an ATM interface but do not specify a PVC or PVC group, this command displays mapping information for all PVCs and PVC groups on the specified ATM interface.
If you specify an ATM interface and a PVC or PVC group, this command displays mapping information for the specified PVC or PVC group.
Examples
# Display mapping information for all PVCs and PVC groups on all ATM interfaces.
<Sysname> display atm map-info
ATM2/4/0
PVC 1/32:
Protocol: PPP, Interface: Virtual-Template10, State: UP
Protocol: IP, IP address: 100.11.1.1, State: UP
PVC-group 1:
Protocol: IP InARP, IP address: 100.22.22.2, Interval: 2 minutes, State: UP
Protocol: ETH, Interface: Virtual-Ethernet2, State: UP
ATM2/4/1
PVC 2/32:
Protocol: IP InARP, IP address: no IP address, Interval: 3 minutes, State: UP
|
Field |
Description |
|
ATM2/4/0 |
Interface name. |
|
PVC 1/32 |
VPI/VCI pair of the PVC. |
|
PVC-group 1 |
PVC group number. |
|
Protocol |
Upper-layer protocol running on the PVC or PVC group: · PPP—PPP protocol. · IP—IP protocol. · IP InARP—IP InARP protocol. · ETH—Ethernet protocol. |
|
State |
Mapping state: · UP—In PPP and IP (including InARP) mappings, it means that the PVC or PVC group is up. In Ethernet mapping, it means that the PVC or PVC group and the VEth interface are up. · DOWN—In PPP and IP (including InARP) mappings, it means that the PVC or PVC group is down. In Ethernet mapping, it means that either the PVC (PVC group) or the VEth interface is down, or both the PVC (PVC group) and the VEth interface are down. |
|
Interval |
Interval (in minutes) at which InARP packets are sent. |
|
Interface |
VEth interface that carries PPPoA or EoA. |
display atm pvc-group
Use display atm pvc-group to display PVC group information.
Syntax
display atm pvc-group [ interface interface-type { interface-number | interface-number.subnumber } [ pvc-group group-number ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type { interface-number | interface-number.subnumber }: Specifies an interface by its type and number. Both ATM interfaces and ATM subinterfaces are supported.
pvc-group group-number: Specifies a PVC group by its number in the range of 1 to 128.
Usage guidelines
If you do not specify an ATM interface, this command displays brief information about all PVC groups on all ATM interfaces.
If you specify an ATM interface but do not specify a PVC group, this command displays brief information about all PVC groups on the specified ATM interface.
If you specify an ATM interface and a PVC group, this command displays detailed information about the specified PVC group.
Examples
# Display brief information about all PVC groups on all ATM interfaces.
<Sysname> display atm pvc-group
ATM2/4/0, State UP
PVC-group: 1
Encapsulation: SNAP, Protocol: IP
VPI/VCI PVC name Precedence State
1/32 aa Default UP
2/32 N/A 2-3 UP
3/32 N/A 5 UP
PVC-group: 3
Encapsulation: SNAP, Protocol: IP
VPI/VCI PVC name Precedence State
3/64 bb 4 UP
4/64 N/A Default UP
ATM2/4/1, State UP
PVC-group: 1
Encapsulation: SNAP, Protocol: IP
VPI/VCI PVC name Precedence State
1/32 aa Default UP
Table 2 Command output
|
Field |
Description |
|
ATM2/4/0, State UP |
Name of the interface to which the PVC groups belong, and the physical and administrative states of the interface. State of an interface (not a subinterface): · UP—The interface is both physically and administratively up. · DOWN—The interface is in either of the following states: ¡ The interface is administratively up but physically down (probably because no physical link is available or the link has failed). ¡ The interface is administratively down (shut down by using the shutdown command). State of a subinterface: · UP—The interface is administratively up. The parent interface is both physically and administratively up. · DOWN—The interface or its parent interface was shut down by using the shutdown command, or the parent interface is physically down. |
|
Encapsulation |
AAL5 encapsulation type of the PVC group. It can only be SNAP, which is the Logical Link Control (LLC)/Subnet Access Protocol (SNAP) encapsulation type. |
|
Protocol |
Upper-layer protocol running on the PVC group: · PPP—PPP protocol. · IP—IP protocol. · ETH—Ethernet protocol. · None—No protocol is configured. |
|
PVC name |
PVC name. N/A means no PVC name. |
|
Precedence |
Priority of the IP packets carried by the PVC in the PVC group: · Default—Default PVC. IP packets without a priority configured are transmitted through the default PVC. · a-b—Lowest and highest priorities of the IP packets carried by the PVC. The value range for a and b is 0 to 7. a is smaller than b. · c—Priority of the IP packets carried by the PVC, in the range of 0 to 7. · -—No priority is configured for IP packets carried by the PVC. |
|
State |
PVC state: · UP—The following states are up: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. · DOWN—One or more of the following states is down: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. |
# Display detailed information about the specified PVC group.
<Sysname> display atm pvc-group interface atm 2/4/0 pvc-group 1
ATM2/4/0, PVC-group: 1
Encapsulation: SNAP, Protocol: None
PVC VPI/VCI: 0/34
Precedence: default
Service-type: CBR, Output-pcr: 200 kbps, CDVT: 500 us
Transmit-Priority: 0
OAM loopback interval: 0 sec(disabled), OAM loopback retry interval: 1 sec
OAM loopback retry count (up/down): 3/5
OAM AIS-RDI count (up/down): 3/1
Interface State: UP, OAM State: UP, PVC State: UP
Input: 0 packets, 0 bytes, 0 errors
Output: 0 packets, 0 bytes, 0 errors
Output queue: (Urgent queuing : Size/Length/Discards) 0/100/0
Output queue: (Protocol queuing : Size/Length/Discards) 0/500/0
Output queue: (FIFO queuing : Size/Length/Discards) 0/75/0
OAM cells received: 42
F5 Loopback: 0, F5 AIS: 42, F5 RDI: 0
OAM cells sent: 0
F5 Loopback: 0
OAM cell drops: 0
OAM AIS State: No AIS Alarm
OAM RDI State: No RDI Alarm
OAM CC State: No CC Alarm
PVC VPI/VCI: 0/35
Precedence: -
Service-type: UBR, Output-pcr: 200 kbps
Transmit-Priority: 0
OAM loopback interval: 0 sec(disabled), OAM loopback retry interval: 1 sec
OAM loopback retry count (up/down): 3/5
OAM AIS-RDI count (up/down): 3/1
Interface State: UP, OAM State: UP, PVC State: UP
Input: 0 packets, 0 bytes, 0 errors
Output: 0 packets, 0 bytes, 0 errors
Output queue: (Urgent queuing : Size/Length/Discards) 0/100/0
Output queue: (Protocol queuing : Size/Length/Discards) 0/500/0
Output queue: (FIFO queuing : Size/Length/Discards) 0/75/0
OAM cells received: 42
F5 Loopback: 0, F5 AIS: 42, F5 RDI: 0
OAM cells sent: 0
F5 Loopback: 0
OAM cell drops: 0
OAM AIS State: No AIS Alarm
OAM RDI State: No RDI Alarm
OAM CC State: No CC Alarm
Table 3 Command output
|
Field |
Description |
|
Encapsulation |
AAL5 encapsulation type of the PVC group. It can only be SNAP, which is the LLC/SNAP encapsulation type. |
|
Protocol |
Upper-layer protocol running on the PVC group: · PPP—PPP protocol. · IP—IP protocol. · ETH—Ethernet protocol. · None—No protocol is configured. |
|
Precedence |
Priority of the IP packets carried by the PVC in the PVC group: · Default—Default PVC. IP packets without a priority configured are transmitted through the default PVC. · a-b—Lowest and highest priorities of the IP packets carried by the PVC. The value range for a and b is 0 to 7. a is smaller than b. · c—Priority of the IP packets carried by the PVC, in the range of 0 to 7. · -—No priority is configured for IP packets carried by the PVC. |
|
Service-type |
Service type: · CBR—Constant bit rate. · UBR—Unspecified bit rate. · VBR-NRT—Variable bit rate-non real time. · VBR-RT—Variable bit rate-real time. |
|
Output-pcr |
Peak output rate of ATM cells. |
|
CDVT |
Cell delay variation tolerance in microseconds. |
|
Transmit-Priority |
Transmission priority. |
|
OAM loopback interval |
Interval (in seconds) at which OAM F5 Loopback cells are sent. |
|
OAM loopback retry interval |
Interval (in seconds) at which OAM F5 Loopback retransmission detection cells are sent. |
|
OAM loopback retry count (up/down) |
Number of cells that are detected as up and down in OAM detection. |
|
OAM AIS-RDI count (up/down) |
Number of seconds that are detected as up in OAM AIS-RDI detection. Number of cells that are detected as down in OAM AIS-RDI detection. |
|
Interface State |
Name of the interface to which the PVC belongs, and the physical and administrative states of the interface. State of an interface (not a subinterface): · UP—The interface is both physically and administratively up. · DOWN—The interface is in either of the following states: ¡ The interface is administratively up and physically down (probably because no physical link is available or the link has failed). ¡ The interface is administratively down (shut down by using the shutdown command). State of a subinterface: · UP—The interface is administratively up. The parent interface is both physically and administratively up. · DOWN—The interface or its parent interface was shut down by using the shutdown command, or the parent interface is physically down. |
|
OAM State |
OAM protocol state: UP or DOWN. |
|
PVC State |
PVC state: · UP—The following states are up: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. · DOWN—One or more of the following states is down: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. |
|
Input: 0 packets, 0 bytes, 0 errors |
Counts of received packets, bytes, and packet errors. |
|
Output: 0 packets, 0 bytes, 0 errors |
Counts of transmitted packets, bytes, and packet errors. |
|
Output queue |
QoS packet output queue information of the PVC. |
|
OAM cells received |
Number of received OAM cells. |
|
F5 Loopback |
Number of received F5 Loopback cells. |
|
F5 AIS |
Number of received AIS cells. If the AIS alarm state is not supported, this command displays only the number of AIS cells, rather than the AIS alarm state in the OAM AIS State field. |
|
F5 RDI |
Number of received RDI cells. If the RDI alarm state is not supported, this command displays only the number of RDI cells, rather than the RDI alarm state in the OAM RDI State field. |
|
OAM cells sent |
Number of transmitted OAM cells. |
|
F5 Loopback |
Number of transmitted F5 Loopback cells. |
|
OAM cell drops |
Number of dropped OAM cells. |
|
OAM AIS State |
AIS alarm state: · No AIS Alarm—No OAM AIS alarm. · E2E AIS Alarm—End-to-end OAM AIS alarm. If alarm state is supported, this command displays only the alarm state, rather than the number of cells in the F5 AIS field. |
|
OAM RDI State |
RDI alarm state: · No RDI Alarm—No OAM RDI alarm. · E2E RDI Alarm—End-to-end OAM RDI alarm. If alarm state is supported, this command displays only the alarm state, rather than the number of cells in the F5 RDI field. |
|
OAM CC State |
CC alarm state: · No CC Alarm—No OAM CC alarm. · E2E CC Alarm—End-to-end OAM CC alarm. |
display atm pvc-info
Use display atm pvc-info to display PVC information.
Syntax
display atm pvc-info [ interface interface-type { interface-number | interface-number.subnumber } [ pvc { pvc-name | vpi/vci } ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type { interface-number | interface-number.subnumber }: Specifies an interface by its type and number. Both ATM interfaces and ATM subinterfaces are supported.
pvc: Displays information about a PVC.
pvc-name: Specifies a PVC by its name, a case-sensitive string of 1 to 15 characters, excluding slashes (/) and hyphens (-). For example, neither 1/20 nor a-b is a valid PVC name.
vpi/vci: Specifies a PVC by its VPI and VCI values. The value range for the vpi argument is 0 to 255. The value range for the vci argument varies by interface type. For more information, see Table 8. The values of the vpi and vci arguments cannot be 0 at the same time. As a best practice, do not use VCI values 0 through 31 because they are reserved for special purposes.
Usage guidelines
If you do not specify an ATM interface, this command displays brief information about all PVCs on all ATM interfaces.
If you specify an ATM interface but do not specify a PVC, this command displays brief information about all PVCs on the specified ATM interface.
If you specify an ATM interface and a PVC, this command displays detailed information about the specified PVC.
Examples
# Display brief information about all PVCs on all ATM interfaces.
<Sysname> display atm pvc-info
VPI/VCI State PVC name Encap Protocol Interface
1/32 UP aa SNAP IP ATM2/4/0
1/33 UP Sysname MUX None ATM2/4/0
1/55 UP datacomm SNAP PPP ATM2/4/0.1
2/66 UP N/A SNAP IP ATM2/4/0.4
2/101 UP beijing SNAP ETH ATM2/4/0.2
Table 4 Command output
|
Description |
|
|
State |
PVC state: · UP—The following states are up: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. · DOWN—One or more of the following states is down: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. |
|
PVC name |
PVC name. N/A means no PVC name. |
|
Encap |
AAL5 encapsulation type of the PVC: · SNAP—LLC/SNAP encapsulation. · NLPID—RFC1490 encapsulation. · MUX—MUX multiplexing encapsulation. |
|
Protocol |
Upper-layer protocol running on the PVC: · PPP—PPP protocol. · IP—IP protocol. · ETH—Ethernet protocol. · None—No protocol is configured. |
|
Interface |
Name of the interface to which the PVC belongs. |
# Display detailed information about the specified PVC.
<Sysname> display atm pvc-info interface atm 2/4/1 pvc 1/100
ATM2/4/1, VPI: 1, VCI: 100
Encapsulation: SNAP, Protocol: IP
Service-type: UBR, Output-pcr: 200 kbps
Transmit-Priority: 0
OAM loopback interval: 0 sec(disabled), OAM loopback retry interval: 1 sec
OAM loopback retry count (up/down): 3/5
OAM AIS-RDI count (up/down): 3/1
Interface State: UP, OAM State: UP, PVC State: UP
Input: 0 packets, 0 bytes, 0 errors
Output: 0 packets, 0 bytes, 0 errors
Output queue: (Urgent queuing : Size/Length/Discards) 0/100/0
Output queue: (Protocol queuing : Size/Length/Discards) 0/500/0
Output queue: (FIFO queuing : Size/Length/Discards) 0/75/0
OAM cells received: 42
F5 Loopback: 0, F5 AIS: 42, F5 RDI: 0
OAM cells sent: 0
F5 Loopback: 0
OAM cell drops: 0
OAM AIS State: No AIS Alarm
OAM RDI State: No RDI Alarm
OAM CC State: No CC Alarm
Table 5 Command output
|
Field |
Description |
|
ATM2/4/1 |
Name of the interface to which the PVC belongs. |
|
Encapsulation |
AAL5 encapsulation type of the PVC: · SNAP—LLC/SNAP encapsulation. · NLPID—RFC1490 encapsulation. · MUX—MUX multiplexing encapsulation. |
|
Protocol |
Upper-layer protocol running on the PVC: · PPP—PPP protocol. · IP—IP protocol. · ETH—Ethernet protocol. · None—No protocol is configured. |
|
Service-type |
Services type: CBR, UBR, VBR-NRT, or VBR-RT. |
|
Output-pcr |
Peak output rate of ATM cells. |
|
OAM loopback interval |
Interval at which OAM F5 Loopback cells are sent. |
|
OAM loopback retry interval |
Interval at which OAM F5 Loopback retransmission detection cells are sent. |
|
OAM loopback retry count (up/down) |
Number of cells that are detected as up and down in OAM detection. |
|
OAM AIS-RDI count (up/down) |
Number of seconds that are detected as up in OAM AIS-RDI detection. Number of cells that are detected as down in OAM AIS-RDI detection. |
|
Interface State |
Name of the interface to which the PVC belongs, and the physical and administrative states of the interface. State of an interface (not a subinterface): · UP—The interface is both physically and administratively up. · DOWN—The interface is in either of the following states: ¡ The interface is administratively up and physically down (probably because no physical link is available or the link has failed). ¡ The interface is administratively down (shut down by using the shutdown command). State of a subinterface: · UP—The interface is administratively up. The parent interface is both physically and administratively up. · DOWN—The interface or its parent interface was shut down by using the shutdown command, or the parent interface is physically down. |
|
OAM State |
OAM protocol state: UP or DOWN. |
|
PVC State |
PVC state: · UP—The following states are up: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. · DOWN—One or more of the following states is down: ¡ State of the ATM interface to which the PVC belongs. ¡ Shutdown state. ¡ OAM state. |
|
Input: 0 packets, 0 bytes, 0 errors |
Counts of received packets, bytes, and packet errors. |
|
Output: 0 packets, 0 bytes, 0 errors |
Counts of transmitted packets, bytes, and packet errors. |
|
Output queue |
QoS packet output queue information of the PVC. |
|
OAM cells received |
Counts of received OAM cells. |
|
F5 Loopback |
Counts of received F5 Loopback cells. |
|
F5 AIS |
Number of received AIS cells. If the AIS alarm state is not supported, this command displays only the number of AIS cells, rather than the AIS alarm state in the OAM AIS State field. |
|
F5 RDI |
Number of received RDI cells. If the RDI alarm state is not supported, this command displays only the number of RDI cells, rather than the RDI alarm state in the OAM RDI State field. |
|
OAM cells sent |
Number of transmitted OAM cells. |
|
F5 Loopback |
Number of transmitted F5 Loopback cells. |
|
OAM cell drops |
Number of dropped OAM cells. |
|
OAM AIS State |
AIS alarm state: · No AIS Alarm—No OAM AIS alarm. · E2E AIS Alarm—End-to-end OAM AIS alarm. If alarm state is supported, this command displays only the alarm state, rather than the number of cells in the F5 AIS field. |
|
OAM RDI State |
RDI alarm state: · No AIS Alarm—No OAM RDI alarm. · E2E AIS Alarm—End-to-end OAM RDI alarm. If alarm state is supported, this command displays only the alarm state, rather than the number of cells in the F5 RDI field. |
|
OAM CC State |
CC alarm state: · No CC Alarm—No OAM CC alarm. · E2E CC Alarm—End-to-end OAM CC alarm. |
display interface virtual-ethernet
Use display interface virtual-ethernet to display VEth interface information.
Syntax
display interface [ virtual-ethernet [ interface-number ] ] [ brief [ description | down ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
virtual-ethernet [ interface-number ]: Specifies a VEth interface by its number. If you do not specify the virtual-ethernet keyword, this command displays information about all interfaces except VA interfaces on the device. If you specify the virtual-ethernet keyword but do not specify the interface-number argument, this command displays information about all existing VEth interfaces.
brief: Displays brief interface information. If you do not specify this keyword, the command displays detailed interface information.
description: Displays complete interface descriptions. If you do not specify this keyword, the command displays only the first 27 characters of interface descriptions.
down: Displays information about interfaces in physically down state and the causes. If you do not specify this keyword, the command displays information about interfaces in all states.
Examples
# Display information about Virtual-Ethernet 2/4/1.
<Sysname> display interface virtual-ethernet 2/4/1
Virtual-Ethernet2/4/1
Current state: UP
Line protocol state: UP
Description: Virtual-Ethernet2/4/1 Interface
Bandwidth: 20000kbps
Maximum Transmit Unit: 1500
Internet protocol processing: disabled
IP Packet Frame Type:PKTFMT_ETHNT_2, Hardware Address: 00e0-fc0d-9485
IPv6 Packet Frame Type:PKTFMT_ETHNT_2, Hardware Address: 00e0-fc0d-9485
Last clearing of counters: Never
Last 300 seconds input rate: 0 bytes/sec, 0 packets/sec
Last 300 seconds output rate: 0 bytes/sec, 0 packets/sec
Input: 0 packets, 0 bytes, 0 drops
Output: 0 packets, 0 bytes, 0 drops
# Display brief information about Virtual-Ethernet 2/4/1.
<Sysname> display interface virtual-ethernet 2/4/1 brief
Brief information on interfaces in route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Primary IP Description
VEth1 DOWN DOWN --
# Display information about all VEth interfaces in physically down state and the causes.
<Sysname> display interface virtual-ethernet brief down
Brief information on interfaces in bridge mode:
Link: ADM - administratively down; Stby - standby
Interface Link Cause
VEth2/4/1 DOWN Not connected
Table 6 Command output
|
Field |
Description |
|
Current state |
Physical link state of the interface: · Administratively DOWN—The interface has been shut down by using the shutdown command. · DOWN—The interface is administratively up, but its physical state is down (possibly because no physical link exists or the link has failed). · UP—The interface is both administratively and physically up. |
|
Line protocol state |
Data link layer state of the interface: UP or DOWN. |
|
Internet protocol processing: Disabled |
The interface is not assigned an IP address and cannot process IP packets. |
|
Internet address: ip-address/mask-length (Type) |
IP address of the interface and type of the address in parentheses. Possible IP address types include: · Primary—Manually configured primary IP address. · Sub—Manually configured secondary IP address. If the interface has both primary and secondary IP addresses, the primary IP address is displayed. If the interface has only secondary IP addresses, the lowest secondary IP address is displayed. · DHCP-Allocated—DHCP allocated IP address. For more information, see DHCP client configuration in Layer 3—IP Services Configuration Guide. · BOOTP-Allocated—BOOTP allocated IP address. For more information, see BOOTP client configuration in Layer 3—IP Services Configuration Guide. · PPP-Negotiated—IP address assigned by a PPP server during PPP negotiation. For more information, see PPP configuration in Layer 2—WAN Access Configuration Guide. · Unnumbered—IP address borrowed from another interface. · Cellular-Allocated—IP address allocated through the modem-manufacturer's proprietary protocol. For more information, see 3G/4G modem management in Layer 2—WAN Access Configuration Guide. · MAD—IP address assigned to an IRF member device for MAD on the interface. For more information, see IRF configuration in Virtual Technologies Configuration Guide. · MTunnel—IP address of the multicast tunnel interface (MTI), which is the same as the IP address of the MVPN source interface. For more information, see multicast VPN configuration in IP Multicast Configuration Guide. |
|
IP Packet Frame Type |
IPv4 packet framing format. PKTFMT_ETHNT_2 stands for Ethernet II frame format. |
|
IPv6 Packet Frame Type |
IPv6 packet framing format. |
|
Hardware Address |
MAC address of the interface. |
|
Last clearing of counters: Never |
Time when the reset counters interface command was last used to clear the interface statistics. Never indicates the reset counters interface command has never been used on the interface after the device has started up. |
|
Last 300 seconds input rate |
Average packet input rate over the last 300 seconds. |
|
Last 300 seconds output rate |
Average packet output rate over the last 300 seconds. |
|
Input |
Input packet statistics: · packets—Number of packets. · bytes—Total bytes. · drops—Number of dropped packets. |
|
Output |
Output packet statistics: · packets—Number of packets. · bytes—Total bytes. · drops—Number of dropped packets. |
|
Brief information on interfaces in route mode |
Brief information about the Layer 3 interface. |
|
Interface |
Abbreviation of the interface name. |
|
Link |
Physical link state of the interface: · UP—The interface is physically up. · ADM—The interface has been shut down by using the shutdown command. To restore the physical state of the interface, use the undo shutdown command. · Stby—The interface is a backup interface in standby state. To see the primary interface, use the display interface-backup state command. |
|
Protocol |
Data link layer protocol state of the interface: · UP—The data link layer protocol of the interface is up. · DOWN—The data link layer protocol of the interface is down. · UP(s)—The data link layer protocol of the interface is up, but the link is an on-demand link or does not exist. The (s) attribute represents the spoofing flag. This value is typical of null interfaces and loopback interfaces. |
|
Primary IP |
Primary IP address of the interface. This field displays two hyphens (--) if the interface does not have an IP address. |
|
Description |
Description of the interface. |
|
Cause |
Cause for the physical link state of an interface to be DOWN: · Administratively—The interface has been manually shut down by using the shutdown command. To restore the physical state of the interface, use the undo shutdown command. · Not connected—No physical connection exists (possibly because the network cable is disconnected or faulty). |
encapsulation
Use encapsulation to configure the ATM AAL5 encapsulation type for a PVC or PVC group.
Use undo encapsulation to restore the default.
Syntax
encapsulation { aal5mux | aal5nlpid | aal5snap }
undo encapsulation
Default
The ATM AAL5 encapsulation type is aal5snap.
Views
PVC view
PVC group view
Predefined user roles
network-admin
Parameters
aal5mux: Specifies the MUX multiplexing encapsulation type.
aal5nlpid: Specifies the RFC1490 encapsulation type.
aal5snap: Specifies the LLC/SNAP encapsulation type.
Usage guidelines
Different encapsulation types support different mappings:
· aal5snap encapsulation supports IPoA, IPoEoA, PPPoA, and PPPoEoA mappings.
· aal5mux encapsulation supports IPoA, IPoEoA, PPPoA, and PPPoEoA mappings, but can only support one protocol at a time.
· aal5nlpid encapsulation supports only IPoA mappings.
Follow these guidelines when you configure the ATM AAL5 encapsulation type:
· Devices on the two ends must be configured with the same ATM AAL5 encapsulation types.
· Only aal5snap supports InARP. You cannot configure InARP when aal5mux or aal5nlpid is used.
· Although a PVC or PVC group can carry multiple protocols, a specific encapsulation type might not support some of the applications (such as IPoA, IPoEoA, PPPoA, and PPPoEoA). In such cases, the system displays error prompts.
· When you change the encapsulation type for a PVC or PVC group, and the mappings that you have configured conflict with the new encapsulation type, the PVC or PVC group deletes the configurations of all conflicting mappings.
· This command is not applicable to PVCs in a PVC group.
Examples
# Set the AAL5 encapsulation for PVC 1/32 on ATM 2/4/0 to aal5snap.
<Sysname>system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/32
[Sysname-ATM2/4/0-pvc-1/32] encapsulation aal5snap
interface virtual-ethernet
Use interface virtual-ethernet to create a VEth interface or VEth subinterface and enter its view, or enter the view of an existing VEth interface or VEth subinterface.
Use undo interface virtual-ethernet to remove a VEth interface or subinterface.
Syntax
interface virtual-ethernet { interface-number | interface-number.subnumber }
undo interface virtual-ethernet { interface-number | interface-number.subnumber }
Default
No VEth interface or VEth subinterfaces exist.
Views
System view
Predefined user roles
network-admin
Parameters
interface-number: Specifies a VEth interface by its number.
interface-number.subnumber: Specifies a VEth subinterface by its number. The interface-number argument represents the number of the VEth interface. The subnumber argument represents the number of the subinterface.
Usage guidelines
The baud rate of the VEth interface is 10000000 bps.
Examples
# Create VEth interface Virtual-Ethernet 2/4/1 and enter its view.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1
[Sysname-Virtual-Ethernet2/4/1]
# Create VEth subinterface Virtual-Ethernet 2/4/1.1 and enter its view.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1.1
[Sysname-Virtual-Ethernet2/4/1.1]
mac-address
Use mac-address to specify the MAC address for a VEth interface.
Use undo mac-address to restore the default.
Syntax
mac-address mac-address
undo mac-address
Default
The MAC address of the VEth interface is the bridge MAC address of the device.
Views
VEth interface view
Predefined user roles
network-admin
Parameters
mac-address: Specifies the MAC address in the format of H-H-H.
Usage guidelines
A VEth interface uses the bridge MAC address of the device as its MAC address. As a result, all VEth interfaces share the same MAC address. You must use the mac-address command to specify a MAC address for each VEth interface in the following condition:
· The VEth interfaces are connected to a DHCP server through different PVCs.
· The VEth interfaces need to obtain IP addresses from the DHCP server through static allocation.
Examples
# Set the MAC address of Virtual-Ethernet 2/4/1 to 0001-0001-0001.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1
[Sysname-Virtual-Ethernet2/4/1] mac-address 1-1-1
map bridge
Use map bridge to create an IPoEoA mapping or PPPoEoA mapping for a PVC or PVC group.
Use undo map bridge to delete the mapping.
Syntax
map bridge virtual-ethernet interface-number
undo map bridge
Default
No IPoEoA mappings or PPPoEoA mappings exist.
Views
PVC view
PVC group view
Predefined user roles
network-admin
Parameters
virtual-ethernet interface-number: Specifies a VEth interface by its number. The interface must have already been created.
Usage guidelines
aal5snap and aal5mux encapsulations support IPoEoA and PPPoEoA mappings.
You can create a maximum of 512 mappings on a VEth interface.
A PVC or PVC group can be mapped to only one VEth interface.
A VEth interface can only be bound to the PVC or PVC group on the same interface card. Before you bind a VEth interface, check its interface number to make sure the VEth interface is on the same card as the ATM interface to which the PVC or PVC group belongs.
This command is not applicable to PVCs in a PVC group.
Before you configure IPoEoA or PPPoEoA, you must specify a VEth interface.
Examples
The following example demonstrates a complete process of IPoEoA configuration.
# Create VEth interface Virtual-Ethernet 2/4/1.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1
# Set the IP address of the VEth interface to 10.1.1.1/16.
[Sysname-Virtual-Ethernet2/4/1] ip address 10.1.1.1 255.255.0.0
[Sysname-Virtual-Ethernet2/4/1] quit
# Create PVC 1/102 on ATM 2/4/0.
[Sysname] interface atm 2/4/0
# Create an IPoEoA mapping using the created VEth interface in PVC view.
[Sysname-ATM2/4/0-pvc-1/102] map bridge virtual-ethernet 2/4/1
Related commands
encapsulation
map ip
Use map ip to create an IPoA mapping for a PVC or PVC group.
Use undo map ip to delete the mapping.
Syntax
map ip { ip-address | default | inarp [ minutes ] }
undo map ip [ ip-address | default | inarp ]
Default
No IPoA mappings for a PVC or PVC group exist.
Views
PVC view
PVC group view
Predefined user roles
network-admin
Parameters
ip-address: Specifies the remote IP address mapped to the PVC or PVC group.
default: Sets the default PVC mapping. If no PVC mapping can be found for the next hop address of a packet, the packet is sent through the default PVC or PVC group.
inarp: Enables InARP on the PVC.
minutes: Specifies the interval for sending InARP packets, in the range of 1 to 600 minutes. The default is 15 minutes.
Usage guidelines
All encapsulations support IPoA. Only aal5snap supports InARP. You cannot configure InARP when aal5mux or aal5nlpid is used.
Multiple IP addresses can be mapped to the same PVC or PVC group. Supported mappings are static IP mapping, default mapping, and InARP mapping. You can configure them at the same time.
Different PVCs or PVC groups on the same interface cannot be mapped to the same IP address.
The PVCs or PVC groups on the same interface can be configured with only one default mapping.
If you do not specify any arguments or keywords, the undo map ip command deletes all static IP address mappings, default mappings, and InARP mappings on the PVC or PVC group.
This command is not applicable to PVCs in a PVC group.
Examples
# Create a static IP address mapping on PVC 1/32, and set the IP address of the remote end to 61.123.30.169.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/32
[Sysname-ATM2/4/0-pvc-1/32] map ip 61.123.30.169
# Enable InARP mapping on PVC 1/33, and set the InARP packet sending interval to 10 minutes.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/33
[Sysname-ATM2/4/0-pvc-1/33] map ip inarp 10
# Delete all IP address mappings on PVC 1/33.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/33
[Sysname-ATM2/4/0-pvc-1/33] undo map ip
Related commands
encapsulation
map ppp
Use map ppp to create a PPPoA mapping for a PVC or PVC group.
Use undo map ppp to delete the PPPoA mapping.
Syntax
map ppp virtual-template vt-number
undo map ppp
Default
No PPPoA mappings for a PVC or PVC group exist.
Views
PVC view
PVC group view
Predefined user roles
network-admin
Parameters
vt-number: Specifies the number of the VT interface corresponding to a PPPoA mapping. The VT interface must have already been created.
Usage guidelines
aal5snap and aal5mux encapsulations support PPPoA mapping.
A PVC or PVC group can be mapped to only one VT interface.
This command is not applicable to PVCs in a PVC group.
Examples
The following example demonstrates a complete process of PPPoA configuration.
# Create VT interface Virtual-Template 10, and configure an IP address for it.
<Sysname> system-view
[Sysname] interface virtual-template 10
[Sysname-Virtual-Template10] ip address 202.38.160.1 255.255.255.0
[Sysname-Virtual-Template10] quit
# Create PVC 1/101 on ATM 2/4/0.
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/101
# Create a PPPoA mapping using the created VT interface.
[Sysname-ATM2/4/0-pvc-1/101] map ppp virtual-template 10
Related commands
encapsulation
mtu
Use mtu to configure the MTU for an ATM interface.
Use undo mtu to restore the default.
Syntax
mtu size
undo mtu
Default
The MTU of an ATM interface is 1500 bytes.
Views
VEth interface view
VEth subinterface view
Predefined user roles
network-admin
Parameters
size: Specifies the MTU in bytes. The value range for this argument is 46 to 1500.
Usage guidelines
The MTU setting can affect IP packet fragmentation and reassembly on the interface.
To validate the MTU setting for an interface, execute the shutdown command and then the undo shutdown command on the interface.
Examples
# Set the MTU for VEth 2/4/0 to 200 bytes.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/0
[Sysname- Virtual-Ethernet2/4/0] mtu 200
oam ais-rdi
Use oam ais-rdi to configure the parameters related to AIS/RDI alarm cell detection.
Use undo oam ais-rdi to restore the default.
Syntax
oam ais-rdi up up-seconds down down-seconds
undo oam ais-rdi
Default
A PVC comes up if no AIS/RDI alarm cells are received in the last three seconds, and it goes down if it receives successive AIS/RDI alarm cells in one second.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
up up-seconds: Specifies the time (in seconds) within which the PVC comes up if no AIS/RDI alarm cells are received. The value range for the up-seconds argument is 3 to 60 seconds.
down down-seconds: Specifies the time (in seconds) within which the PVC goes down if it receives successive AIS/RDI alarm cells. The value range for the down-seconds argument is 1 to 60 seconds.
Usage guidelines
The system uses a 1-second timer to detect AIS/RDI alarm cells.
· A PVC goes down if it receives successive AIS/RDI alarm cells in the time period specified by the down-seconds argument.
· A PVC comes up if no AIS/RDI alarm cells are received in the time period specified by the up-seconds argument.
Examples
# Configure the AIS/RDI alarm detection parameters for PVC 1/32, setting up-seconds to 5 and down-seconds to 5.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/32
[Sysname-ATM2/4/0-pvc-1/32] oam ais-rdi up 5 down 5
# Configure the AIS/RDI alarm detection parameters for PVC 1/33 of PVC group 2, setting up-seconds to 5 and down-seconds to 5.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 2
[Sysname-ATM2/4/0-pvc-group-2] pvc 1/33
[Sysname-ATM2/4/0-pvc-group-2-pvc-1/33] oam ais-rdi up 5 down 5
oam loopback
Use oam loopback to enable OAM F5 Loopback cell transmission and retransmission detection and modify related parameters.
Use undo oam loopback to disable OAM F5 Loopback cell transmission and retransmission detection.
Syntax
oam loopback interval [ up up-count down down-count retry retries ]
undo oam loopback
Default
OAM F5 Loopback cell transmission is disabled. Responses are sent if OAM F5 Loopback cells are received.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
interval: Specifies the interval for sending OAM F5 Loopback cells, in the range of 1 to 600 seconds.
up up-count: Specifies the number of successive OAM F5 Loopback cells received before the PVC comes up. The value range for the up-count argument is 1 to 600, and the default is 3.
down down-count: Specifies the number of successive OAM F5 Loopback cells not received before the PVC goes down. The value range for the down-count argument is 1 to 600, and the default is 5.
retry retries: Specifies the interval for sending retransmission detection cells before PVC state change. The value range for the retries argument is 1 to 1000 seconds, and the default is 1 second.
Usage guidelines
After you enable OAM F5 Loopback cell transmission and retransmission detection on a PVC, the PVC sends OAM F5 Loopback cells at the interval specified by the interval argument. If the PVC receives no responses after a time period specified by the retries argument, it immediately sends OAM F5 Loopback cells again.
The PVC state is updated during the OAM F5 Loopback cell transmission and retransmission detection process.
· If the PVC is down, it comes up when the number of successive OAM F5 Loopback cells received reaches the value specified by the up-count argument.
· If the PVC is up, it goes down when the number of successive OAM F5 Loopback cells not received reaches the value specified by the down-count argument.
Examples
# Enable OAM F5 Loopback detection on PVC 1/32 of ATM 2/4/0, and set the interval, up-count, down-count, and retries arguments to 12, 4, 4, and 1, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/32
[Sysname-ATM2/4/0-pvc-1/32] oam loopback 12 up 4 down 4 retry 1
# Enable OAM F5 Loopback detection on PVC 1/33 of PVC group 2, and set the interval, up-count, down-count, and retries arguments to 12, 4, 3, and 2, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 2
[Sysname-ATM2/4/0-pvc-group-2] pvc 1/33
[Sysname-ATM2/4/0-pvc-group-2-pvc-1/33] oam loopback 12 up 4 down 3 retry 2
oam ping
Use oam ping to send OAM F5 end-to-end cells through the specified PVC on an ATM interface to check the link state.
Syntax
oam ping interface interface-type { interface-number | interface-number.subnumber } pvc { pvc-name | vpi/vci } [ number timeout ]
Views
Any view
Predefined user roles
network-admin
Parameters
interface interface-type { interface-number | interface-number.subnumber }: Specifies an interface by its type and number. Both ATM interfaces and ATM subinterfaces are supported.
pvc: Sends OAM F5 end-to-end cells through the specified PVC.
pvc-name: Specifies a PVC by its name, a case-sensitive string of 1 to 15 characters, excluding slashes (/) and hyphens (-). For example, neither 1/20 nor a-b is a valid PVC name.
vpi/vci: Specifies a PVC by its VPI and VCI values. The value range for the vpi argument is 0 to 255. The value range for the vci argument varies by interface type. For more information, see Table 8. The values of the vpi and vci arguments cannot be 0 at the same time. As a best practice, do not use VCI values 0 through 31 because they are reserved for special purposes.
number: Specifies the number of OAM F5 end-to-end cells to be transmitted, in the range of 1 to 1000. The default is 5.
timeout: Specifies the OAM F5 end-to-end response timeout period in the range of 1 to 30 seconds. The default is 2 seconds.
Usage guidelines
Use this command to send OAM F5 end-to-end cells through the specified PVC on the specified ATM interface, and check the link state according to the response condition.
After you configure the oam ping command, the system sends an OAM F5 end-to-end cell. If the system receives a response within the time specified by the timeout argument, it immediately sends another OAM F5 end-to-end cell. If the system does not receive a response within the time specified by the timeout argument, the system sends an OAM F5 end-to-end cell again. In an oam ping process, the number of OAM F5 end-to-end cells transmitted is specified by the number argument. If no response is received, a link failure or link congestion might occur.
Examples
# Check the link state of PVC 1/32 on ATM 2/4/0 by sending three cells and setting the timeout period to 1 second.
<Sysname> oam ping interface atm 2/4/0 pvc 1/32 3 1
PING interface ATM2/4/0 pvc 1/32 with 3 of 53 bytes of oam F5 end-to-end cell(s),
timeout is 1 second(s), press CTRL_C to break
Receive reply from pvc 1/32: time=1 ms
Receive reply from pvc 1/32: time=1 ms
Receive reply from pvc 1/32: time=1 ms
oam ping statistics:
Cells: Sent = 3, Received = 3, Lost = 0 (0.00% loss)
# Check the link state of PVC 5/100 on ATM 2/4/0 by sending three cells and setting the timeout period to 1 second.
<Sysname> oam ping interface atm 2/4/0 pvc 5/100 3 1
PING interface ATM2/4/0 pvc 5/100 with 3 of 53 bytes of oam F5 end-to-end cell(s),
timeout is 1 second(s), press CTRL_C to break
Request time out!
Request time out!
Request time out!
oam ping statistics:
Cells: Sent = 3, Received = 0, Lost = 3 (100.00% loss)
Table 7 Command output
|
Field |
Description |
|
PING interface ATM2/4/0 pvc 1/32 |
Check if the link of PVC 1/32 on ATM 2/4/0 is available. |
|
53 bytes |
Number of bytes in each cell. |
|
timeout is 1 second(s) |
Response timeout period. |
|
Receive reply from pvc 1/32: time=1 ms |
A response is received within the specified time. |
|
Request time out |
No response is received within the specified timeout period. |
|
Sent = 3 |
Number of transmitted cells. |
|
Received = 0 |
Number of received responses. |
|
Lost = 3(100.00% loss) |
Cell loss rate (percentage of the number of unresponded cells to the total number of cells transmitted). |
precedence
Use precedence to configure the priority of IP packets carried by the PVC of a PVC group.
Use undo precedence to restore the default.
Syntax
precedence { min-number [ to max-number ] | default }
undo precedence
Default
No priority is configured for IP packets.
Views
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
min-number: Specifies the lowest priority of IP packets carried by the PVC, in the range of 0 to 7.
max-number: Specifies the highest priority of IP packets carried by the PVC, in the range of 0 to 7. The max value must be equal to or larger than the min value.
default: Specifies the PVC as the default PVC. IP packets with priorities not specified for any PVC are sent through the default PVC.
Usage guidelines
This command is applicable only to the PVCs in a PVC group.
If no default PVC exists in a PVC group, IP packets with priorities not specified for any PVC are distributed across all PVCs that are not configured with priorities on a per-packet basis.
If no PVC is specified as the default PVC and all PVCs are configured with transmission priorities, IP packets with priorities not specified for any PVC are dropped.
This command cannot change the priority of an IP packet.
Examples
# Configure PVC aa with a VPI/VCI value of 1/32 to carry IP packets with priorities from 0 to 3.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/32
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/32] precedence 0 to 3
pvc
In ATM interface view or ATM subinterface view:
Use pvc to create a PVC and enter its view, or enter the view of an existing PVC.
Use undo pvc to delete a PVC.
In PVC group view:
Use pvc to create a PVC for a PVC group and enter PVC view, or enter the view of an existing PVC.
Use undo pvc to remove a PVC from a PVC group and delete the PVC.
Syntax
pvc { pvc-name [ vpi/vci ] | vpi/vci }
undo pvc { pvc-name | vpi/vci }
Default
No PVCs exist.
Views
ATM interface view
ATM subinterface view
PVC group view
Predefined user roles
network-admin
Parameters
pvc-name: Specifies a PVC by its name, a case-sensitive string of 1 to 15 characters, excluding slashes (/) and hyphens (-). For example, neither 1/20 nor a-b is a valid PVC name.
vpi/vci: Specifies a PVC by its VPI and VCI values. The value range for the vpi argument is 0 to 255. The value range for the vci argument varies by interface type. For more information, see Table 8. The values of the vpi and vci arguments cannot be 0 at the same time. As a best practice, do not use VCI values 0 through 31 because they are reserved for special purposes.
Table 8 VCI value ranges for different interface types
|
Interface type |
VCI value range |
|
ATM ADSL2+ |
0 to 255 |
|
ATM SHDSL_4WIRE |
0 to 255 |
|
ATM SHDSL_8WIRE_BIS |
0 to 255 |
|
ATM OC-3c/STM-1 |
0 to 1023 |
|
ATM subinterface |
Same as that of the ATM interface to which the ATM subinterface belongs. |
|
PVC group |
Same as that of the ATM interface to which the PVC group belongs. |
Usage guidelines
When you create a PVC, you must specify the VPI/VCI value for it. The VPI/VCI value of a PVC is unique on an interface (including interface, PVC group, and subinterface).
If you have specified the PVC name when creating the PVC, you can enter the PVC view by using the pvc pvc-name [ vpi/vci ] command, and delete the PVC by using the undo pvc pvc-name [ vpi/vci ] or undo pvc vpi/vci command.
You can configure only one PVC on an ATM P2P subinterface.
You can create a maximum of eight PVCs in a PVC group.
You cannot delete a PVC from a PVC group in ATM interface view or ATM subinterface view.
Examples
# Create a PVC named aa on ATM 2/4/0, and set its VPI/VCI value to 1/101.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-aa-1/101]
# Create a PVC named bb for PVC group 1, and set its VPI/VCI value to 1/102.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc bb 1/102
[Sysname-ATM2/4/0-pvc-group-1-pvc-bb-1/102]
Related commands
display atm pvc-info
pvc-group
pvc-group
Use pvc-group to create a PVC group and enter its view, or enter the view of an existing PVC group.
Use undo pvc-group to delete a PVC group.
Syntax
pvc-group group-number
undo pvc-group group-number
Default
No PVC groups exist.
Views
ATM interface view
ATM subinterface view
Predefined user roles
network-admin
Parameters
group-number: Specifies a PVC group by its number in the range of 1 to 128.
Usage guidelines
A PVC group can share traffic load among PVCs in it by transmitting IP packets of different priorities through different PVCs.
You can configure the priority of IP packets carried by each PVC. IP packets are transmitted through the PVC corresponding to the priority of the IP packets.
· If no corresponding PVC is found, the IP packets are transmitted through the default PVC.
· If no default PVC is configured, the IP packets are distributed across the PVCs that are not configured with priorities on a per-packet basis.
· If all PVCs are configured with priorities, the IP packets are dropped.
Data packets that are not IP packets are distributed across all PVCs in the PVC group on a per-packet basis.
All PVCs in a PVC group obtain the encapsulation type and protocol type from the PVC group.
A PVC belongs to one PVC group.
This command is applicable to ATM P2MP subinterfaces, but not to ATM P2P subinterfaces.
The number of a PVC group is unique on an interface (including interface and subinterface).
Examples
# Create PVC group 1.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1]
Related commands
display atm pvc-group
remark atm-clp
Use remark atm-clp to re-mark the cell loss priority (CLP) flag value of ATM cells.
Use undo remark atm-clp to restore the default.
Syntax
remark [ green | red | yellow ] atm-clp atm-clp-value
undo remark [ green | red | yellow ] atm-clp
Default
The CLP flag value of ATM cells is not re-marked.
Views
Traffic behavior view
Predefined user roles
network-admin
Parameters
green: Re-marks the CLP flag value of a green packet.
red: Re-marks the CLP flag value of a red packet.
yellow: Re-marks the CLP flag value of a yellow packet.
atm-clp-value: Sets the CLP flag value to 0 or 1. The cells with a CLP flag value of 1 are dropped first when network congestion occurs.
Usage guidelines
This command is applicable only to outbound PVCs.
Examples
# Set the CLP flag value of ATM cells to 1.
<Sysname> system-view
[Sysname] traffic behavior database
[Sysname-behavior-database] remark atm-clp 1
reset atm interface
Use reset atm interface to clear PVC statistics.
Syntax
reset atm interface [ interface-type { interface-number | interface-number.subnumber } ]
Views
User view
Predefined user roles
network-admin
Parameters
interface-type { interface-number | interface-number.subnumber }: Clears statistics about all PVCs (including PVCs on the interface and PVCs of the PVC groups) for the specified interface. Both ATM interfaces and ATM subinterfaces are supported. If you do not specify an interface, this command clears statistics about all PVCs for all interfaces.
Usage guidelines
This command clears statistics only about PVCs. To clear statistics about interfaces, use the reset counters interface command.
Examples
# Clear statistics about all PVCs for ATM 2/4/0.
<Sysname> reset atm interface atm 2/4/0
reset counters interface virtual-ethernet
Use reset counters interface virtual-ethernet to clear VEth interface statistics.
Syntax
reset counters interface [ virtual-ethernet [ interface-number ] ]
Views
User view
Predefined user roles
network-admin
Parameters
virtual-ethernet [ interface-number ]: Specifies a VEth interface by its number. If you do not specify the virtual-ethernet keyword, this command clears statistics for all interfaces except VA interfaces. If you specify the virtual-ethernet keyword but do not specify the interface-number argument, this command clears statistics for all VEth interfaces. If you specify both the virtual-ethernet keyword and the interface-number argument, this command clears statistics for the specified VEth interface.
Usage guidelines
Before you collect traffic statistics within a specific time period on an interface, clear the existing statistics for the interface.
Examples
# Clear statistics for Virtual-Ethernet 2/4/2.
<Sysname> reset counters interface virtual-ethernet 2/4/2
service cbr
Use service cbr to set the PVC service type to CBR and set the related parameters.
Use undo service to restore the default.
Syntax
service cbr output-pcr [ cdvt cdvt_value ]
undo service
Default
The service type of a PVC is UBR. The peak output rate of ATM cells equals the maximum bandwidth of the interface to which the PVC belongs.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
output-pcr: Specifies the peak output rate of ATM cells in kbps. Table 9 shows the value ranges for the output-pcr argument on different interfaces.
Table 9 Peak output rate value ranges
|
Interface type |
Peak output rate value range |
|
ATM ADSL2+ |
64 to 640 |
|
ATM SHDSL_4WIRE |
128 to 4624 |
|
ATM SHDSL_8WIRE_BIS |
256 to 22784 |
|
ATM OC-3c/STM-1 |
64 to 155000 |
|
ATM subinterface |
Same as that of the ATM interface to which the ATM subinterface belongs. |
|
PVC group |
Same as that of the ATM interface to which the PVC group belongs. |
cdvt cdvt_value: Specifies the cell delay variation tolerance in the range of 0 to 10000 μs. The default is 500 μs, which means that the maximum cell delay is 500 μs.
Usage guidelines
When the peak output rate is exceeded, the system allocates caches based on the specified CDVT value to ensure service stability. A smaller CDVT value requires more hardware resources and is harder to configure. If the configuration fails, the following message appears: "Failed to set service parameter. Please adjust cdvt value." In this situation, configure a larger CDVT value.
You can use this command as well as the service ubr, service vbr-nrt, and service vbr-rt commands to set the service type and parameters of a PVC. If you execute this command multiple times, the most recent configuration takes effect.
Each PVC occupies a separate bandwidth. As a best practice, configure PVCs requiring more bandwidths first.
Examples
# Create a PVC named aa on ATM 2/4/0, and set the VPI/VCI, service type, output-pcr, and cdvt_value to 1/101, CBR, 50000, and 1000, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-aa-1/101] service cbr 50000 cdvt 1000
# Create a PVC named aa in PVC group 1, and set the VPI/VCI, service type, output-pcr, and cdvt_value to 1/101, CBR, 50000, and 1000, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/101] service cbr 50000 cdvt 1000
Related commands
service ubr
service vbr-nrt
service vbr-rt
service ubr
Use service ubr to set the PVC service type to UBR and set the related parameters.
Use undo service to restore the default.
Syntax
service ubr output-pcr
undo service
Default
The service type of a PVC is UBR. The peak output rate of ATM cells equals the maximum bandwidth of the interface to which the PVC belongs.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
output-pcr: Specifies the peak output rate of ATM cells in kbps. For more information about the value range, see Table 9.
Usage guidelines
You can use this command as well as the service cbr, service vbr-nrt, and service vbr-rt commands to set the service type and parameters of a PVC. If you execute this command multiple times, the most recent configuration takes effect.
Examples
# Create a PVC named aa on ATM 2/4/0, and set the VPI/VCI, service type, and output-pcr to 1/101, UBR, and 100000, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-aa-1/101] service ubr 100000
# Create a PVC named aa in PVC group 1, and set the VPI/VCI, service type, and output-pcr to 1/101, UBR, and 100000, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/101] service ubr 100000
Related commands
service cbr
service vbr-nrt
service vbr-rt
service vbr-nrt
Use service vbr-nrt to set the PVC service type to VBR-NRT and set the related parameters.
Use undo service to restore the default.
Syntax
service vbr-nrt output-pcr output-scr output-mbs
undo service
Default
The service type of a PVC is UBR. The peak output rate of ATM cells equals the maximum bandwidth of the interface to which the PVC belongs.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
output-pcr: Specifies the peak output rate of ATM cells in kbps. For more information about the value range, see Table 9.
output-scr: Specifies the sustainable output rate of ATM cells in kbps. Its value ranges are the same as those of the output-pcr argument, and its value is equal to or smaller than the value of the output-pcr argument.
output-mbs: Specifies the maximum burst size for ATM cells (maximum number of ATM cells that the output interface can cache). The value range for this argument is 1 to 512.
Usage guidelines
You can use this command as well as the service cbr, service ubr, and service vbr-rt commands to set the service type and parameters of a PVC. If you execute this command multiple times, the most recent configuration takes effect.
Examples
# Create a PVC named aa on ATM 2/4/0, and set the VPI/VCI, service type, output-pcr, output-scr, and output-mbs to 1/101, VBR-NRT, 100000, 50000, and 320, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-aa-1/101] service vbr-nrt 100000 50000 320
# Create a PVC named aa in PVC group 1, and set the VPI/VCI, service type, output-pcr, output-scr, and output-mbs to 1/101, VBR-NRT, 100000, 50000, and 320, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/101] service vbr-nrt 100000 50000 320
Related commands
service cbr
service ubr
service vbr-rt
service vbr-rt
Use service vbr-rt to set the PVC service type to VBR-RT and set the related parameters.
Use undo service to restore the default.
Syntax
service vbr-rt output-pcr output-scr output-mbs
undo service
Default
The service type of a PVC is UBR. The peak output rate of ATM cells equals the maximum bandwidth of the interface to which the PVC belongs.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
output-pcr: Specifies the peak output rate of ATM cells in kbps. For more information about the value range, see Table 9.
output-scr: Specifies the sustainable output rate of ATM cells in kbps. Its value ranges are the same as those of the output-pcr argument, and its value is equal to or smaller than the value of the output-pcr argument.
output-mbs: Specifies the maximum burst size of ATM cells (maximum number of ATM cells that the output interface can cache). The value range for this argument is 1 to 512.
Usage guidelines
You can use this command as well as the service cbr, service ubr, and service vbr-nrt commands to set the service type and parameters of a PVC. If you execute this command multiple times, the most recent configuration takes effect.
This command is not applicable to ATM E1 interfaces.
Examples
# Create a PVC named aa on ATM 2/4/0, and set the VPI/VCI, service type, output-pcr, output-scr, and output-mbs to 1/101, VBR-RT, 100000, 50000, and 320, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-aa-1/101] service vbr-rt 100000 50000 320
# Create a PVC named aa in PVC group 1, and set the VPI/VCI, service type, output-pcr, output-scr, and output-mbs to 1/101, VBR-RT, 100000, 50000, and 320, respectively.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/101] service vbr-rt 100000 50000 320
service cbr
service ubr
service vbr-nrt
shutdown
Use shutdown to shut down an interface.
Use undo shutdown to bring up an interface.
Syntax
shutdown
undo shutdown
Default
An interface is up.
Views
VEth interface view
VEth subinterface view
Predefined user roles
network-admin
Examples
# Shut down Virtual-Ethernet 2/4/1.
<Sysname> system-view
[Sysname] interface virtual-ethernet 2/4/1
[Sysname-Virtual-Ethernet2/4/1] shutdown
shutdown
Use shutdown to shut down a PVC.
Use undo shutdown to bring up a PVC.
Syntax
shutdown
undo shutdown
Default
A PVC is up.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Examples
# Bring up PVC 0/100 on ATM 2/4/0.1.
<Sysname> system-view
[Sysname] interface Atm 2/4/0.1
[Sysname-ATM2/4/0.1] pvc 0/100
[Sysname-ATM2/4/0.1-pvc-0/100] undo shutdown
# Bring up PVC 1/101 in PVC group 1.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/101] undo shutdown
transmit-priority
Use transmit-priority to configure the transmission priority for a PVC associated with the UBR, VBR-NRT, or VBR-RT service.
Use undo transmit-priority to restore the default.
Syntax
transmit-priority priority
undo transmit-priority
Default
The transmission priorities of the UBR service, VBR-NRT service, and VBR-RT service are 0, 5, and 8, respectively.
Views
PVC view
PVC view in a PVC group
Predefined user roles
network-admin
Parameters
priority: Specifies the transmission priority in the range of 0 to 9. A higher value indicates a higher priority. Priorities 0 to 4 are for the UBR service, 5 to 7 are for the VBR-NRT service, and 8 to 9 are for the VBR-RT service.
Usage guidelines
PVCs with higher priorities occupy more bandwidths. PVCs with the same priority occupy the same bandwidth.
If you change the service type of a PVC, the transmission priority of the PVC is restored to the default.
Examples
# Set the transmission priority for PVC 1/32 of ATM 2/4/0 to 3.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc 1/32
[Sysname-ATM2/4/0-pvc-1/32] transmit-priority 3
# Set the transmission priority for PVC 1/101 in PVC group 1 to 4.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/101] transmit-priority 4
vp limit
Use vp limit to configure parameters for VP policing.
Use undo vp limit to restore the default.
Syntax
vp limit vpi scr
undo vp limit vpi
Default
VP policing is disabled.
Views
ATM interface view
Predefined user roles
network-admin
Parameters
vpi: Specifies the VPI value in the range of 0 to 255.
scr: Specifies the sustainable cell rate in kbps. For more information about the value range, see Table 9.
Usage guidelines
A VP is the collection of all PVCs with the same VPI value. VP policing is used to manage the maximum bandwidth of the VP, and monitor the traffic of the inbound and outbound directions of the VP on a physical interface. When the maximum transmission rate of the VP exceeds the specified value, the exceeded flows are dropped.
When VP policing is applied, the parameters of PVC are still valid. Packets can be transmitted or received only when the parameters of PVC and VP policing are met. In calculating the traffic, the LLC/SNAP, MUX, and NLPID headers are included, but the ATM cell header is not included.
Examples
# Set the flow of the VP with a VPI value of 1 to 2 Mbps.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] vp limit 1 2000
service cbr
service ubr
service vbr-nrt
service vbr-rt
