User guide

Brocade 6910 Ethernet Access Switch Configuration Guide 525
53-1002581-01
CFM Commands
25
Basic Configuration Steps for CFM
1. Configure the maintenance domains with the ethernet cfm domain command.
2. Configure the maintenance associations with the ma index name command.
3. Configure the local maintenance end points (MEPs) which will serve as the domain service
access points for the specified maintenance association using the ethernet cfm mep
command.
4. Enter a static list of MEPs assigned to other devices within the same maintenance association
using the mep crosscheck mpid command. This allows CFM to automatically verify the
functionality of these remote end points by cross-checking the static list configured on this
device against information learned through continuity check messages.
5. Enable CFM globally on the switch with the ethernet cfm enable command.
6. Enable CFM on the local MEPs with the ethernet cfm port-enable command.
7. Enable continuity check operations with the ethernet cfm cc enable command.
8. Enable cross-check operations with the ethernet cfm mep crosscheck command.
Other configuration changes may be required for your particular environment, such as adjusting
the interval at which continuity check messages are sent (page 542), or setting the start-up delay
for the cross-check operation (page 547). You can also enable SNMP traps for events discovered by
continuity check messages (page 544) or cross-check messages (page 548).
ethernet cfm linktrace
cache hold-time
Sets the hold time for CFM link trace cache entries GC
ethernet cfm linktrace
cache size
Sets the maximum size for the link trace cache GC
ethernet cfm linktrace Sends CFM link trace messages to the MAC address for a MEP PE
clear ethernet cfm
linktrace-cache
Clears link trace messages logged on this device PE
show ethernet cfm
linktrace-cache
Displays the contents of the link trace cache PE
Loopback Operations
ethernet cfm loopback Sends CFM loopback messages to a MAC address for a MEP or MIP PE
Fault Generator Operations
mep fault-notify alarm-time Sets
the time a defect must exist before a fault alarm is issued CFM
mep fault-notify
lowest-priority
Sets the lowest priority defect that is allowed to generate a fault alarm CFM
mep fault-notify reset-time Configures the time after a fault alarm has been issued, and no defect
exists, before another fault alarm can be issued
CFM
show ethernet cfm
fault-notify-generator
Displays configuration settings for the fault notification generator PE
Delay Measure Operations
ethernet cfm delay-measure
two-way
Sends periodic delay-measure requests to a specified MEP within a
maintenance association
PE
TABLE 124 CFM Commands (Continued)
Command Function Mode