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| Title | Size | Download |
|---|---|---|
| 07-Layer 2 forwarding commands | 67.29 KB |
Normal Layer 2 forwarding commands
display mac-forwarding statistics
reset mac-forwarding statistics
Fast Layer 2 forwarding commands
display mac-forwarding cache ip
display mac-forwarding cache ip fragment
display mac-forwarding cache ipv6
Layer 2 forwarding commands
The WX1800H series, WX2500H series, and WX3000H series access controllers do not support the slot keyword or the slot-number argument.
Normal Layer 2 forwarding commands
display mac-forwarding statistics
Use display mac-forwarding statistics to display Layer 2 forwarding statistics.
Syntax
display mac-forwarding statistics [ interface interface-type interface-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
interface interface-type interface-number: Specifies an interface by its type and number. If you do not specify this option, the command displays Layer 2 forwarding statistics on all interfaces.
Examples
# Display Layer 2 forwarding statistics on all interfaces.
<Sysname> display mac-forwarding statistics
Input:
Sum: 888 Unknown Unicast: 0
Broadcast: 0 Multicast: 0
Filtered: 0 STP discarded: 0
Service dropped: 0 Source dropped: 0
Unknown dropped: 0 Learning dropped: 0
Attack dropped: 0 Suppress dropped: 0
Deliver:
Sum: 111 L2 protocol: 11
Local MAC address: 100
Output:
Sum: 666 Filtered: 0
Blackhole dropped: 0 STP discarded: 0
Service dropped: 0 Dest MAC dropped: 0
# Display Layer 2 forwarding statistics on GigabitEthernet 1/0/1.
<Sysname> display mac-forwarding statistics interface gigabitethernet 1/0/1
GigabitEthernet 1/0/1:
Input frames: 100 Output frames:100
Filtered: 0
Table 1 Command output
|
Field |
Description |
|
Input |
Inbound Ethernet frame statistics. |
|
Sum |
Total number of received Ethernet frames. |
|
Filtered |
Number of Ethernet frames filtered out by 802.1Q VLAN inbound filtering rules. |
|
STP discarded |
Number of inbound Ethernet frames dropped on the ports blocked by STP. |
|
Service dropped |
Number of Ethernet frames dropped by inbound service features. |
|
Source dropped |
Number of Ethernet frames dropped because their source MAC addresses are all-zeros, multicast, or broadcast MAC addresses. |
|
Unknown dropped |
Number of Ethernet frames dropped because the device is disabled from forwarding frames with unknown source MAC addresses. |
|
Learning dropped |
Number of Ethernet frames dropped because the device is disabled from forwarding unknown frames after the number of learned MAC addresses reaches the upper limit. |
|
Attack dropped |
Number of attack Ethernet frames dropped by features based on the source MAC addresses. |
|
Suppress dropped |
Number of Ethernet frames dropped by storm suppression. |
|
Broadcast |
Number of received broadcast Ethernet frames. |
|
Multicast |
Number of received multicast Ethernet frames. |
|
Unknown Unicast |
Number of received unknown unicast Ethernet frames. |
|
Deliver |
Statistics of Ethernet frames delivered to the CPU. |
|
Sum |
Total number of Ethernet frames delivered to the CPU. |
|
L2 protocol |
Number of Layer 2 protocol Ethernet frames delivered to the CPU. |
|
Local MAC address |
Number of Ethernet frames with the destination MAC addresses being the MAC addresses of local Layer 3 VLAN interfaces. |
|
Output |
Outbound Ethernet frame statistics. |
|
Sum |
Total number of sent Ethernet frames. |
|
Blackhole dropped |
Number of Ethernet frames dropped because they are destined for blackhole MAC addresses. |
|
Filtered |
Number of Ethernet frames filtered out by 802.1Q VLAN outbound filtering rules. |
|
STP discarded |
Number of outbound Ethernet frames dropped on the ports blocked by STP. |
|
Service dropped |
Number of Ethernet frames dropped by outbound service features. |
|
Dest MAC dropped |
Number of Ethernet frames dropped by features based on the destination MAC addresses. |
|
Input frames |
Number of Ethernet frames received on the interface. |
|
Output frames |
Number of Ethernet frames sent out of the interface. |
|
Filtered |
Number of Ethernet frames filtered out because they are from other VLANs. |
reset mac-forwarding statistics
Use reset mac-forwarding statistics to clear Layer 2 forwarding statistics.
Syntax
reset mac-forwarding statistics
Views
User view
Predefined user roles
network-admin
network-operator
Examples
# Clear Layer 2 forwarding statistics.
<Sysname> reset mac-forwarding statistics
Fast Layer 2 forwarding commands
display mac-forwarding cache ip
Use display mac-forwarding cache ip to display IPv4 fast forwarding entries.
Syntax
display mac-forwarding cache ip [ ip-address ] [ slot slot-number ]
Views
Any view
Predefined user roles
Parameters
ip-address: Specifies an IPv4 address. If you do not specify an IPv4 address, this command displays all IPv4 fast forwarding entries.
Examples
# Display all IPv4 fast forwarding entries.
<Sysname> display mac-forwarding cache ip
Total number of mac-forwarding entries: 2
SIP SPort DIP DPort Pro Input_If Output_If VLAN
1.1.1.2 99 1.1.1.1 2048 1 GE1/0/1 GE1/0/1 2
1.1.1.1 98 1.1.1.2 2012 1 GE1/0/2 GE1/0/2 2
Table 2 Command output
|
Description |
|
|
Total number of IPv4 fast forwarding entries. |
|
|
Source IPv4 address. |
|
|
Source port number. |
|
|
Destination IPv4 address. |
|
|
Destination port number. |
|
|
Protocol number. |
|
|
Input interface type and number. If no input interface is involved in fast forwarding, this field displays N/A. If no input interface is available, this field displays a hyphen (-). |
|
|
Output interface type and number. If no output interface is involved in fast forwarding, this field displays N/A. If no output interface is available, this field displays a hyphen (-). |
|
display mac-forwarding cache ip fragment
Use display mac-forwarding cache ip fragment to display IPv4 fast forwarding entries for fragments.
Syntax
display mac-forwarding cache ip fragment [ ip-address ] [ slot slot-number ]
Views
Any view
Predefined user roles
Parameters
Examples
# Display IPv4 fast forwarding entries for all fragments.
<Sysname> display mac-forwarding cache ip fragment
Total number of fragment mac-forwarding entries: 2
SIP SPort DIP DPort Pro Input_If ID VLAN
1.1.1.1 117 1.1.1.2 0 1 GE1/0/1 2828 1
1.1.1.2 110 1.1.1.1 67 17 GE1/0/2 2322 1
|
Description |
|
|
Total number of IPv4 fast forwarding entries for fragments. |
|
|
Source IPv4 address. |
|
|
Source port number. |
|
|
Destination IPv4 address. |
|
|
Destination port number. |
|
|
Protocol number. |
|
|
Input interface type and number. If no input interface is involved in fast forwarding, this field displays N/A. If no input interface is available, this field displays a hyphen (-). |
|
|
Fragment ID. |
|
display mac-forwarding cache ipv6
Use display mac-forwarding cache ipv6 to display IPv6 fast forwarding entries.
Syntax
display mac-forwarding cache ipv6 [ ipv6-address ] [ slot slot-number ]
Views
Any view
Predefined user roles
Parameters
Examples
# Display all IPv6 fast forwarding entries.
<Sysname> display mac-forwarding cache ipv6
Total number of IPv6 mac-forwarding items: 1
Src IP: 2002::1 Src port: 129
Dst IP: 2001::1 Dst port: 65535
VLAN ID: 2
Protocol: 2
Input interface: GE1/0/2
Output interface: GE1/0/1
|
Description |
|
|
Total number of IPv6 fast forwarding entries. |
|
|
Source IPv6 address. |
|
|
Source port number. |
|
|
Destination IPv6 address. |
|
|
Dst port |
Destination port number. |
|
Protocol number. |
|
|
Input interface type and number. If no input interface is involved in fast forwarding, this field displays N/A. If no input interface is available, this field displays a hyphen (-). |
|
|
Output interface type and number. If no output interface is involved in fast forwarding, this field displays N/A. If no output interface is available, this field displays a hyphen (-). |
