show loop-detection status
Displays loop detection status.
Modes
User EXEC mode
Privileged EXEC mode
Global configuration mode
Interface configuration mode
Examples
The following is sample output from the
show loop-detection status command. If a port is disabled in Strict mode, it shows "ERR-DISABLE by itself."
If it is disabled due to its associated VLAN, it shows "ERR-DISABLE by vlan<num>."
device# show loop-detection status loop detection packets interval: 10 (unit 0.1 sec) Number of err-disabled ports: 3 You can re-enable err-disable ports one by one by "disable" then "enable" under interface config, re-enable all by "clear loop-detect", or configure "errdisable recovery cause loop-detection" for automatic recovery index port/vlan status #errdis sent-pkts recv-pkts 1 1/1/13 untag, LEARNING 0 0 0 2 1/1/15 untag, BLOCKING 0 0 0 3 1/1/17 untag, DISABLED 0 0 0 4 1/1/18 ERR-DISABLE by itself 1 6 1 5 1/1/19 ERR-DISABLE by vlan12 0 0 0 6 vlan12 ERR-DISABLE ports 2 24 2