display l2-multicast forwarding-table
Function
The display l2-multicast forwarding-table command displays information about a Layer 2 multicast forwarding table.
Parameters
| Parameter | Description | Value |
|---|---|---|
| vlan vlan-id |
Displays information about a Layer 2 multicast forwarding table in a specified VLAN. |
The vlan-id value is an integer ranging from 1 to 4094. |
| vsi vsi-name |
Displays information about a Layer 2 multicast forwarding table in a specified VSI. |
The vsi-name value is a string of 1 to 31 case-sensitive characters. |
| bd bd-id |
Specifies the ID of a BD in which information about the Layer 2 multicast forwarding table is to be displayed. |
The bd-id value is an integer ranging from 1 to 16777215. |
| source-address source-address |
Displays information about forwarding entries related to a specified multicast source. |
The source-address value is in dotted decimal notation. |
| group-address group-address |
Displays information about forwarding entries related to a specified multicast group. |
The group-address value ranges from 224.0.1.0 to 239.255.255.255, in dotted decimal notation. |
| router-group |
Displays information about the Layer 2 multicast forwarding tables of all router ports. |
- |
| slot slot-id |
Indicates the slot number of the interface board. |
- |
Usage Guidelines
Usage Scenario
If you want to check Layer 2 multicast forwarding entries during device maintenance or fault locating, run the display l2-multicast forwarding-table command to display information about a Layer 2 multicast forwarding table.
Precautions
Before you run the display l2-multicast forwarding-table command, ensure that IGMP snooping has been configured for the corresponding VLAN, BD or VSI.
The VLAN or VSI specified in the display l2-multicast forwarding-table command must be in the Up state.Example
The actual command output varies according to the device. The command output here is only an example.
<HUAWEI> system-view [~HUAWEI] display l2-multicast forwarding-table vsi vsi0 VSI Name : vsi0, Forwarding Mode : IP -------------------------------------------------------------------- (Source, Group) Port-cnt -------------------------------------------------------------------- Router-port 1 (*, 225.0.0.1) 2(including 2 enhanced users) (*, 225.0.0.2) 2 -------------------------------------------------------------------- Total Entry(s) : 3
<HUAWEI> system-view [~HUAWEI] display l2-multicast forwarding-table vlan 10 VLAN ID : 10, Forwarding Mode : IP -------------------------------------------------------------------- (Source, Group) Port-cnt -------------------------------------------------------------------- Router-port 2 (*, 225.0.0.1) 3 (*, 225.0.0.2) 3 -------------------------------------------------------------------- Total Entry(s) : 3
<HUAWEI> system-view [~HUAWEI] display l2-multicast forwarding-table bd 10 group-address 225.0.0.1 Source address 10.0.0.1 Group address 225.0.0.1 BD ID 10 Forwarding mode IP Ports count 2 Packet of (S,G) 0 --------------------------------------------------------------------- No Type Name VID/LB --------------------------------------------------------------------- 1 Sub GigabitEthernet0/1/1.1 1 2 Sub Eth-Trunk1.1 1 3 MLDP pseudo NA -------------------------------------------------------------------- Total Entry(s) : 3
<HUAWEI> system-view [~HUAWEI] display l2-multicast forwarding-table vsi 10 group-address 225.0.0.1 Source address * Group address 225.0.0.1 VSI Index 10 Forwarding mode IP Ports count 1 Packet of (S,G) 0 --------------------------------------------------------------------- No Type Name VID/LB --------------------------------------------------------------------- 1 Switch GigabitEthernet0/1/1 10 (user vlan: 1/2 user mac: 00-e0-fc-12-34-56) (user vlan: 1/3 user mac: 00-e0-fc-22-34-56)
<HUAWEI> system-view [~HUAWEI] display l2-multicast forwarding-table vlan 10 group-address 225.0.0.1 Source address * Group address 225.0.0.1 VLAN ID 10 Forwarding mode IP Ports count 5 Packet of (S,G) 0 ------------------------------------------------------------ No Type Name VID/LB ------------------------------------------------------------ 1 Switch GE0/1/1 9 2 Switch GE0/1/2 10 3 Switch GE0/1/3 10 4 Switch GE0/1/4 10 5 Switch Eth-Trunk4 10
<HUAWEI> system-view [~HUAWEI] display l2-multicast forwarding-table vlan 10 group-address router-group Group address Router-port VLAN ID 10 Forwarding mode IP Ports count 1 Packet of (S,G) 0 --------------------------------------------------------- No Type Name VID/LB --------------------------------------------------------- 1 Switch GigabitEthernet0/1/1 10 ---------------------------------------------------------
<HUAWEI> system-view [~HUAWEI] display l2-multicast forwarding-table bd 3 BD ID : 3, Forwarding Mode : IP -------------------------------------------------- (Source, Group) Port-cnt -------------------------------------------------- (*, 225.0.0.1) 0 (*, 225.0.0.11) 0 (*, 225.0.0.15) 0 (*, 226.0.0.1) 0 -------------------------------------------------- Total Entry(s) : 4
| Item | Description |
|---|---|
| VSI Name | Name of the VSI in which information about the Layer 2 multicast forwarding table is displayed. |
| Name | Outbound interface's name of the multicast group. |
| Forwarding Mode | Packet forwarding mode. The current version supports IP forwarding only. |
| Port-cnt | Number of ports in the multicast group. |
| Router-port | ID of the router port multicast forwarding table. |
| Total Entry(s) | Number of multicast entries. |
| VLAN ID | ID of the VLAN in which information about the Layer 2 multicast forwarding table is displayed. |
| Source address | Multicast source address. |
| Group address | Multicast group address. |
| BD ID | ID of the BD. |
| Ports count | Number of ports in the multicast group. |
| Packet of (S,G) | Number of (S,G). |
| No | Outbound interface's number of the multicast group. |
| Type | Outbound interface's type of the multicast group. |
| VID/LB | Outer tag ID of the VLAN to which the multicast group belongs. |
| user vlan | User VLAN ID. |
| user mac | User MAC address. |