LevelOne GTL-2691 - Manual (Page 1339)

C HAPTER 44 | CFM Commands
Link Trace Operations
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Link Trace Operations
ethernet cfm
linktrace cache
This command enables caching of CFM data learned through link trace
messages. Use the no form to disable caching.
S YNTAX
[no] ethernet cfm linktrace cache
D EFAULT S ETTING
Disabled
C OMMAND M ODE
Global Configuration
C OMMAND U SAGE
◆ A link trace message is a multicast CFM frame initiated by a MEP, and
forwarded from MIP to MIP, with each MIP generating a link trace reply,
up to the point at which the link trace message reaches its destination
or can no longer be forwarded.
◆ Use this command to enable the link trace cache to store the results of
link trace operations initiated on this device. Use the ethernet cfm
linktrace command to transmit a link trace message.
◆ Link trace responses are returned from each MIP along the path and
from the target MEP. Information stored in the cache includes the
maintenance domain name, MA name, MEPID, sequence number, and
TTL value.
E XAMPLE
This example enables link trace caching.
Console(config)#ethernet cfm linktrace cache
Console(config)#
ethernet cfm
linktrace cache
hold-time
This command sets the hold time for CFM link trace cache entries. Use the
no form to restore the default setting.
S YNTAX
ethernet cfm linktrace cache hold-time minutes
minutes – The aging time for entries stored in the link trace cache.
(Range: 1-65535 minutes)
D EFAULT S ETTING
100 minutes