Web Management Guide-R04

Chapter 13 | Basic Administration Protocols
Connectivity Fault Management
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◆ Cross Check MEP Missing – Sends a trap if the cross-check timer expires and
no CCMs have been received from a remote MEP configured in the static list.
A MEP Missing trap is sent if cross-checking is enabled
18
, and no CCM is
received for a remote MEP configured in the static list
19
.
◆ Cross Check MEP Unknown – Sends a trap if an unconfigured MEP comes up.
A MEP Unknown trap is sent if cross-checking is enabled
18
, and a CCM is
received from a remote MEP that is not configured in the static list
19
.
Web Interface
To configure global settings for CFM:
1. Click Administration, CFM.
2. Select Configure Global from the Step list.
3. Before enabling CFM processing on the switch, first configure the required CFM
domains, maintenance associations, and static MEPs. Then set the delay time to
wait for a remote MEP comes up before the switch starts cross-checking the
end points learned through CCMs against those stored in the static list.
4. Adjust the parameters for the link trace cache as required.
5. Enable the required traps for continuity check and cross-check errors.
Remember that the “Connectivity Check” and “Cross Check” fields on the MA
Configuration page must be enabled before related errors can be generated.
6. Click Apply.
19. See "Configuring Maintenance End Points".