Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
ethernet cfm traceroute cache size
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Cisco MWR 2941 Router Command Reference, Release 15.0(1)MR
OL-23890-01
ethernet cfm traceroute cache size
To set a maximum size for the Ethernet connectivity fault management (CFM) traceroute cache table,
use the ethernet cfm traceroute cache size command in global configuration mode. To remove the
configured size, use the no form of this command.
ethernet cfm traceroute cache size entries
no ethernet cfm traceroute cache size
Syntax Description
Command Default If traceroute cache is enabled, traceroute replies are cached up to a maximum of 100 entries.
If traceroute cache is disabled, traceroute replies are not cached; the default size is 0.
Command Modes Global configuration (config)
Command History
Usage Guidelines Before you can issue this command, you must have enabled traceroute caching using the ethernet cfm
traceroute cache command.
Entries in the traceroute cache table are single replies from remote devices—not the number of
operations on the device. In Cisco pre-Standard CFM Draft 1 when the maximum cache size is reached,
new replies cannot be added until you clear the cache or increase its size. In CFM IEEE 802.1ag Standard
when the maximum cache size is reached, the oldest traceroute operation is removed to make room for
a new traceroute operation.
Output of the show running all command displays “ethernet cfm traceroute cache size 100” when
traceroute cache is enabled and the default value of 100 is configured.
Setting the number of entries lower than the number of entries currently cached causes this command to
be rejected, and you are prompted to clear the traceroute cache.
entries Number of entries in the traceroute cache table, expressed as an integer in
the range of 1 to 4095. The default is 100.
Release Modification
12.2(33)SRA This command was introduced.
12.4(11)T This command was integrated into Cisco IOS Release 12.4(11)T.
12.2(33)SXH This command was integrated into Cisco IOS Release 12.2(33)SXH.
12.2(33)SXI2 This command was integrated into Cisco IOS Release 12.2(33)SXI2.
12.2(33)MRA This command was integrated into Cisco IOS Release 12.2(33)MRA.
15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.
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