Users Guide

Caching Link Trace
After you execute a Link Trace command, the trace information can be cached so that you can view it later
without retracing.
To enable, set, display, and delete link trace caching, use the following commands.
• Enable Link Trace caching.
CONFIGURATION mode
traceroute cache
• Set the amount of time a trace result is cached.
ETHERNET CFM mode
traceroute cache hold-time minutes
The default is 100 minutes.
The range is from 10 to 65535 minutes.
• Set the size of the Link Trace Cache.
ETHERNET CFM mode
traceroute cache size entries
The default is 100.
The range is from 1 to 4095 entries.
• Display the Link Trace Cache.
EXEC Privilege mode
show ethernet cfm traceroute-cache
• Delete all Link Trace Cache entries.
EXEC Privilege mode
clear ethernet cfm traceroute-cache
Example of Viewing the Link Trace Cache
Dell#show ethernet cfm traceroute-cache
Traceroute to 00:01:e8:52:4a:f8 on Domain Customer2, Level 7, MA name Test2 with
VLAN 2
------------------------------------------------------------------------------
Hops Host IngressMAC Ingr Action Relay Action
Next Host Egress MAC Egress Action FWD Status
------------------------------------------------------------------------------
4 00:00:00:01:e8:53:4a:f8 00:01:e8:52:4a:f8 IngOK RlyHit
00:00:00:01:e8:52:4a:f8 Terminal MEP
802.1ag 105