根据下图,完成相应的填空 原拓扑图: 经过配置后的拓扑图:配置命令如下: s3(config)#spanning-tree vlan 1,10,20,30 priority 4096 根据“show spanning-tree active ”的结果及配置命令,完成下面的问题 问题1:配置后的网络中,根桥是(1) 问题2:配置后的网络中,S3中VLAN1的根桥优先级是(2) 问题3:配置后的网络中,S1中VLAN10的根桥优先级是(3) 问题4:配置后的网络中,S1中VLAN30的根桥优先级4126,它是由(4)+(5)得出的; 问题5:配置后的网络中,S1中VLAN10的桥优先级是(6) 问题6:配置后的网络中,S1中VLAN10的根桥的MAC地址与自己本身的MAC地址相同,(对/错); s1#show spanning-tree active VLAN0001 Spanning tree enabled protocol ieee Root ID Priority 4097 Address 0050.0F03.8755 Cost 19 Port 2(FastEthernet0/2) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32769 (priority 32768 sys-id-ext 1) Address 0001.C94D.002C Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 20 Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Fa0/2 Root FWD 19 128.2 P2p Fa0/1 Altn BLK 19 128.1 P2p VLAN0010 Spanning tree enabled protocol ieee Root ID Priority 4106 Address 0050.0F03.8755 Cost 19 Port 2(FastEthernet0/2) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0001.C94D.002C Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 20 Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Fa0/2 Root FWD 19 128.2 P2p Fa0/1 Altn BLK 19 128.1 P2p VLAN0020 Spanning tree enabled protocol ieee Root ID Priority 4116 Address 0050.0F03.8755 Cost 19 Port 2(FastEthernet0/2) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32788 (priority 32768 sys-id-ext 20) Address 0001.C94D.002C Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 20 Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Fa0/2 Root FWD 19 128.2 P2p Fa0/1 Altn BLK 19 128.1 P2p VLAN0030 Spanning tree enabled protocol ieee Root ID Priority 4126 Address 0050.0F03.8755 Cost 19 Port 2(FastEthernet0/2) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32798 (priority 32768 sys-id-ext 30) Address 0001.C94D.002C Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 20 Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Fa0/2 Root FWD 19 128.2 P2p Fa0/1 Altn BLK 19 128.1 P2p