R21xx-HP FlexFabric 11900 Series High Availability Command Reference
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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
Parameters
size size-value: Specifies the times of recent auto-detections, in the range of 1 to 100. If this option is not
specified, all information in the buffer is displayed.
Usage guidelines
This command displays only information about LTRs received by execution of the cfd linktrace
auto-detection command.
Examples
# Display the contents of the LTRs received as responses to the LTMs automatically sent.
<Sysname> display cfd linktrace-reply auto-detection
Service instance: 1 MEP ID: 1003 Time: 2012/05/22 10:43:57
Target MEP ID: 2005 TTL: 64
MAC Address TTL Last MAC Relay Action
0000-FC00-6505 63 0000-FC00-6504 MPDB










