S_A#show spanning-tree
VLAN0001
Spanning tree enabled protocol ieee
Root ID Priority 32769
Address 0006.2afb.9f80
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
Address 0006.2afb.9f80
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
(省略)
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