R211x-HP Flexfabric 11900 High Availability Command Reference

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Usage guidelines
This command displays only information about LTRs received by execution of the cfd linktrace command.
Examples
# Display the LTR information saved on 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 9 Command output
Field Descri
p
tion
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 Hop count 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:
• Hit—The current device is the destination device.
• FDB—The forwarding device found the destination MAC address.
• MPDB—The destination MAC address is not found, or the destination MAC
address is found in the MEP or MIP database.
Related commands
cfd linktrace
display cfd linktrace-reply auto-detection
Use display cfd linktrace-reply auto-detection to display information about the LTR messages received as
responses to the automatically sent LTMs.
Syntax
display cfd linktrace-reply auto-detection [ size size-value ]
Views
Any view
Predefined user roles
network-admin
network-operator