display l2-loop-detect packets-info
Function
The display l2-loop-detect packets-info command displays information about packets that cause Layer 2 loops.
Usage Guidelines
Usage Scenario
Run the display l2-loop-detect packets-info command to check information about packets that cause Layer 2 loops if an existing or a potential loop is detected on an interface. The information includes the name of the interface where a loop occurs, as well as the external and internal VLAN IDs, protocol types, transmission types, and source MAC address of packets. For each interface where a loop occurs, information is displayed about the top three packets that are repeatedly sent.
Example
The actual command output varies according to the device. The command output here is only an example.
<HUAWEI> display l2-loop-detect packets-info slot 1 Interface : GigabitEthernet0/1/0 ------------------------------------------------------------------------ Logic Interface : Eth-Trunk1 ------------------------------------------------------------------------ No. PeVlan CeVlan Protocol Type Src-MAC ------------------------------------------------------------------------ 1 - - OSPF Broadcast 00e0-fcf4-8d36
| Item | Description |
|---|---|
| Interface | Interface name. |
| Logic Interface | Name of a logical interface. |
| No. | Packet sequence number. |
| PeVlan | External VLAN ID of a packet. |
| CeVlan | Internal VLAN ID of a packet. |
| Protocol | Protocol type of packets. |
| Type | Packet type:
|
| Src-MAC | Source MAC address of a packet. |