display cfd linktrace-reply
Use display cfd linktrace-reply to display the LTR information received by a MEP.
Syntax
display cfd linktrace-reply [ service-instance instance-id [ mep mep-id ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
service-instance instance-id: Specifies the service instance ID in the range of 1 to 32767. If you do not specify this option, the LTR information for all service instances is displayed.
mep mep-id: Specifies the ID of a MEP, in the range of 1 to 8191. If you do not specify this option, the LTR information for all MEPs is displayed.
Usage guidelines
This command displays only information about LTRs received by execution of the cfd linktrace command.
Examples
# Display the LTR information for all the MEPs in every service instance.
<Sysname> display cfd linktrace-reply Service instance: 1 MEP ID: 1003 MAC address TTL Last MAC Relay action 0000-fc00-6505 63 0000-fc00-6504 MPDB 000f-e269-a852 62 0000-fc00-6505 FDB 0000-fc00-6508 61 000f-e269-a852 Hit Service instance: 2 MEP ID: 1023 MAC address TTL Last MAC Relay action 0000-fc00-6508 61 000f-e269-a852 Hit
Table 14: Command output
Field | Description |
|---|---|
Service instance | Service instance to which the MEPs that send LTMs belong. |
MEP ID | ID of the MEP that sends LTMs. |
MAC address | Source MAC address in the LTR message. |
TTL | TTL value when LTM passes the device. |
Last MAC | MAC address of the last-hop device the LTM passes. |
Relay action | Indicates whether the forwarding device found the destination MAC address in its MAC address table. When the standard version (IEEE 802.1ag) of CFD is used:
|
Related commands
cfd linktrace