3Com 3CB9LF20MM Plumbing Product User Manual


 
Loop Detection
17
When the module disables a front-panel port to eliminate a loop, you
must bring the port back online manually.
Example:
CB9000@slot 5.1 [36L-E/FEN-TX-L2] (): bridge
Menu options (CoreBuilder 9000-10AD6C):
----------------------------------------
display - Display bridge information
agingTime - Set the bridge address aging time
cos - Administer COS priority queues
port - Administer bridge ports
multicast - Administer multicast filtering
vlan - Administer VLANs
loopDetectMode - Set Loop Detect mode
learnMode - Set the bridge learning mode
CB9000@slot 1.1 [36L-E/FEN-TX-L2] (bridge): loopdetectmode
Enter new value (disable,enable,immediate) [disable]: enable
CB9000@slot 1.1 [36L-E/FEN-TX-L2] (bridge): display
agingTime mode addrTableSize
300 bridgeRepeater 138
addressCount peakAddrCount learnMode
2 4 normal
multicastLimit broadcastLimit floodLimit
50000 50000 50000
loopDetectMode loopDetectSrcAddress
enable 08-00-8f-75-48-86
CB9000@slot 1.1 [36L-E/FEN-TX-L2] (bridge/port): summary 1
rxFrames rxDiscards txFrames
5301100 0 2688802
portNumber loopDetectStatus
1 loop detect
learnStatus addressLimit
active 4