Troubleshooting Guide

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Variable definitions
Use the data in the following table to use the cfm spbm command.
Variable Value
level<0-7> Specifies the global SPBM CFM maintenance level
for the chassis within the range of 0 to 7. The default
is 4.
Only configure global CFM at one MD level for each
chassis for each VLAN type.
mepid<1-8191> Specifies the global MEP ID within the range of 1–
8191. Select a unique ID for each switch to ensure
that the MEPs are unique across the network. The
default is 1.
enable Enables autogenerated CFM on all SPBM B-VLANs.
Job aid
The following table describes the fields for the show cfm spbm command.
Parameter
Description
LEVEL Specifies the global SPBM CFM maintenance level
for the chassis. The default is 4.
ADMIN Specifies if CFM MEPs and MIPs are globally
enabled.
MEP ID Specifies the global MEP ID. The default is 1.
MAC Specifies the MAC address.
Configuring autogenerated CFM on C-VLANs
Use this procedure to configure the autogenerated CFM MEP and MIP level for every C-VLAN on
the chassis.
Important:
For C-VLANs, you can only use autogenerated CFM MEPs. Only the VSP 4000 Series switch
supports configuring autogenerated CFM on a C-VLAN.
Important:
CFM supports one MEP or MIP for each C-VLAN. Only autogenerated CFM provides support
for configuring MEP and MIPs on C-VLANs. You cannot explicitly configure C-VLANs.
About this task
When you enable this feature, you create a global MD (named cmac) for all the customer MAC (C-
MAC) MEPs. This global MD has a default maintenance level of 4, which you can change with the
CFM configuration using ACLI
January 2017 Troubleshooting 157
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