HP 7500 Series High Availability Command Reference page 44

Parameters
service-instance instance-id: Specifies the service instance ID, ranging from 1 to 32767.
mep mep-id: Specifies the ID of a MEP, ranging from 1 to 8191.
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Usage guidelines
If no MEP is specified, this command displays information about LTRs of all MEPs in the current service
instance.
If no service instance is specified, this command displays information about LTRs of all MEPs.
Examples
# Display the LTR information saved on all the MEPs in every service instance when the standard version
(IEEE 802.1ag) of CFD is used.
<Sysname> system-view
[Sysname] cfd version standard
[Sysname] display cfd linktrace-reply
Service instance: 1
MAC Address
0000-FC00-6505
000F-E269-A852
0000-FC00-6508
Service instance: 2
MAC Address
0000-FC00-6508
# Display the LTR information saved on all the MEPs in every service instance when the IEEE 802.1ag
draft5.2 version of CFD is used.
<Sysname> system-view
[Sysname] cfd version draft5
[Sysname] display cfd linktrace-reply
Service instance: 1
MAC Address
00E0-FC27-6502
00E0-FC00-6510
00E0-FC52-BAA0
Service instance: 2
MAC Address
00E0-FC27-6502
# Display the LTR information saved on all the MEPs in every service instance when the IEEE 802.1ag
draft5.2 interim version of CFD is used.
<Sysname> system-view
MEP ID: 1003
TTL Last MAC
63 0000-FC00-6504
62 0000-FC00-6505
61 000F-E269-A852
MEP ID: 1023
TTL Last MAC
61 000F-E269-A852
MEP ID: 1003
TTL Forwarded
63 Yes
62 Yes
61 No
MEP ID: 1023
TTL Forwarded
63 No
38
Relay Action
MPDB
FDB
Hit
Relay Action
Hit
Relay Action
Found
Found
None
Relay Action
None