HP 6125XLG R2306-HP 6125XLG Blade Switch High Availability Command Reference - Page 46

display cfd linktrace-reply, Usage guidelines, Examples, Related commands, Syntax, Views

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Usage guidelines A service instance is indicated by an integer to represent an MA in an MD. The MD and MA define the level attribute and VLAN attribute of the messages handled by the MPs in a service instance. An MA index uniquely identifies a specific MA in an MD. An MA index can be used in different MDs. An MD name must be in compliant with the specifications in table 21-19 in IEEE802.1ag-2007. You must create the relevant MD and MA prior to creating a service instance with the MD name. When you delete a service instance, you are deleting the configurations related to that service instance as well. Deleting a service instance not only breaks up the connection between the service instance and the relevant MA, but also deletes the MA itself. Examples # Create a level-3 MD named test_md and create service instance 5, in which the MA is identified by a VLAN and serves VLAN 100. system-view [Sysname] cfd md test_md level 3 [Sysname] cfd service-instance 5 ma-id vlan-based md test_md vlan 100 Related commands cfd md 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 the option is not specified, the LTR information saved on all the MEPs in all service instances is displayed. mep mep-id: Specifies the ID of a MEP, in the range of 1 to 8191. If the option is not specified, the LTR information saved on all the 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 saved on all the MEPs in every service instance. display cfd linktrace-reply Service instance: 1 MEP ID: 1003 MAC Address TTL Last MAC Relay Action 41

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41
Usage guidelines
A service instance is indicated by an integer to represent an MA in an MD. The MD and MA define the
level attribute and VLAN attribute of the messages handled by the MPs in a service instance. An MA
index uniquely identifies a specific MA in an MD. An MA index can be used in different MDs.
An MD name must be in compliant with the specifications in table 21-19 in IEEE802.1ag-2007.
You must create the relevant MD and MA prior to creating a service instance with the MD name.
When you delete a service instance, you are deleting the configurations related to that service instance
as well.
Deleting a service instance not only breaks up the connection between the service instance and the
relevant MA, but also deletes the MA itself.
Examples
# Create a level-3 MD named
test_md
and create service instance 5, in which the MA is identified by a
VLAN and serves VLAN 100.
<Sysname> system-view
[Sysname] cfd md test_md level 3
[Sysname] cfd service-instance 5 ma-id vlan-based md test_md vlan 100
Related commands
cfd md
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 the option is
not specified, the LTR information saved on all the MEPs in all service instances is displayed.
mep
mep-id
: Specifies the ID of a MEP, in the range of 1 to 8191. If the option is not specified, the LTR
information saved on all the 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 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