Specifications

show loop-detection
582
show loop-detection
Displays L2 loop detection information.
Syntax
show loop-detection [port <Port# list>] [channel-group-number <Channel group# list>]
Input mode
User mode and administrator mode
Parameters
port <Port# list>
Displays L2 loop detection information for the specified port numbers.
For details about how to specify <Port# list> and the specifiable range of values, see
Specifiable values for parameters.
channel-group-number <Channel group# list>
Displays L2 loop detection information for the specified channel group link
aggregation (in a list).
For details about how to specify <Channel group# list>, see Specifiable values for
parameters.
Note on setting parameters
This command can display only the information relevant to the condition applied by a
parameter that has been set.
If the parameter has not been set, information is displayed with no condition applied.
If multiple parameters are specified, information that meets the conditions will be
displayed.
Operation when all parameters are omitted:
All L2 loop detection information is displayed.
Example
Displays L2 loop detection information.
Figure 34-1 Example of displaying L2 loop detection information
> show loop-detection
Date 2008/11/12 16:22:28 UTC
Interval Time :10
Output Rate :20pps
Threshold :200
Hold Time :300
Auto Restore Time :3600
VLAN Port Counts
Configuration :6 Capacity :200
Port Information
Port Status Type DetectCnt RestoringTimer SourcePort Vlan
0/1 Down trap 0 - -
0/2 Down trap 0 - -
0/3 Down trap 0 - -
0/4 Down(loop) send-inact 200 3569 0/6 1
0/5 Up exception 0 - 0/7 1
0/6 Down send 200 - 0/4 1
0/7 Up send-inact 0 - -
0/8 Down(loop) send-inact 200 3569 ChGr:8(U) 1