Cfm-Loop - Cisco NCS 2000 series Troubleshooting Manual

Alarm Troubleshooting
b) Select or note down the CC Timer value.
c) Repeat step a and b on the other end of the maintenance end point.
d) Set the CC Timer value that is same as the value set at the other maintenance end point.
Step 3 Verify the maintenance association and the domain name are the same. Do the following:
a) In card view, click the Provisioning > CFM > Configuration > MA Profiles tabs.
b) Enter or note down the maintenance profile name.
c) In card view, click the Provisioning > CFM > Configuration > Domain Profiles tabs.
d) Enter or note down the domain profile name.
e) Repeat step a and d on the other end of the maintenance end point.
f) The maintenance profile name and the domain profile name should be the same on both the maintenance end points.
Step 4 Verify the maintenance point (MP) ID on both the sides are the same. Do the following:
a) In card view, click the Provisioning > CFM > Configuration > MEP tabs.
b) Note down the MPID value.
c) MPID should not be the same.
d) Repeat step a and d on the other end of the maintenance end point.
e) The MPID values must not be the same on both the maintenance end points.

CFM-LOOP

Default Severity: Minor (MN), Non-Service-Affecting (NSA)
Logical Objects: ETH
The Connectivity Fault Management Loop (CFM-LOOP) alarm occurs on GE_XP or 10GE_XP cards when
a continuity check (CC) packet is reused in a loop and consequently the same packet is returned to the source.
Clear the CFM-LOOP Condition
SUMMARY STEPS
1. Ensure that there are no loops in the L2-over-DWDM mode for VLANs in the network.
DETAILED STEPS
Ensure that there are no loops in the L2-over-DWDM mode for VLANs in the network.
If the alarm does not get cleared, you need to report a Service-Affecting (SA) problem. Log into the Technical Support
Website at http://www.cisco.com/c/en/us/support/index.html
en/us/support/web/tsd-cisco-worldwide-contacts.html
your country.
for more information or log into
to obtain a directory of toll-free Technical Support numbers for
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
CFM-LOOP
http://www.cisco.com/c/
155