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Re: 対向側ﾎﾟｰﾄとVLAN番号が異なる場合のSTP動作について
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CCNP全般
投稿ﾕｰｻﾞ(投稿日)
(2015/5/4)
本文
簡単に試してみましたが､VLAN10のほうがRBになりますね｡

[code]
SwitchA(config-if)#do show spanning-tree

VLAN0010
Spanning tree enabled protocol ieee
Root ID Priority 32778
Address 001d.45f4.4480
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 32778 (priority 32768 sys-id-ext 10)
Address 001d.45f4.4480
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300 sec

Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Fa1/0/1 Desg FWD 19 128.3 P2p


SwitchB(config-if)#do show spanning-tree

VLAN0020
Spanning tree enabled protocol ieee
Root ID Priority 32778
Address 001d.45f4.4480
Cost 19
Port 4 (FastEthernet1/0/2)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 32788 (priority 32768 sys-id-ext 20)
Address 0014.f2a8.4800
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300 sec

Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Fa1/0/2 Root FWD 19 128.4 P2p

[/code]

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