【正文】 Fa0/13, Fa0/14, Fa0/15, Fa0/16, Fa0/17, Fa0/18, Fa0/19, Fa0/20, Fa0/21, Fa0/22, Fa0/23, Fa0/24 10 aa active ?已經(jīng)同步了 vlan 的信息 10 20 bb active 步驟四、配置 PVST sw3(config)spanningtree vlan 1 root primary ?設(shè)置為vlan1 的根橋 Sw1(config)spanningtree vlan 10 priority 4096 ?設(shè)置為vlan10 的根橋 Sw2(config)spanningtree vlan 20 priority 4096 ?設(shè)置為vlan20 的根橋 步驟 五 、顯示 STP的信息 sw1的生成樹信息 : sw1show spanningtree brief ?顯示每 VLAN 生成樹信息 VLAN1 Spanning tree enabled protocol IEEE ROOT ID Priority 24577 Address ?非 vlan1 的根橋 11 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec VLAN10 Spanning tree enabled protocol IEEE ROOT ID Priority 4096 Address ?為 vlan10的根橋 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 4096 Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec VLAN20 12 Spanning tree enabled protocol IEEE ROOT ID Priority 4096 Address ?非 vlan20的根橋 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec sw2的生成樹信息 : sw2show spanningtree brief VLAN1 Spanning tree enabled protocol IEEE ?非 vlan1 的根橋 ROOT ID Priority 24577 Address Hello Time 2 sec Max Age 20 sec Forward 13 Delay 15 sec Bridge ID Priority 32768 Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec VLAN10 Spanning tree enabled protocol IEEE ROOT ID Priority 4096 ?非 vlan10 的根橋 Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec VLAN20 Spanning tree enabled protocol IEEE ROOT ID Priority 4096 ?為 vlan20 的根橋 14 Address This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 4096 Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec sw3的生成樹信息 : sw3show spanningtree VLAN0001 Spanning tree enabled protocol ieee Root ID Priority 24577 ?為 vlan1 的根橋 Address This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 24577 (priority 24576 15 sysidext 1) Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 VLAN0010 Spanning tree enabled protocol ieee Root ID Priority 4096 ?非 vlan10 的根橋 Address Cost 19 Port 24 (FastEther0/24) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32779 (priority 32768 sysidext 11) Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 16 VLAN0020 Spanning tree enabled protocol ieee Root ID Priority 4096 ?非 vlan20的根橋 Address Cost 19 Port 23 (FastEther0/23) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32780 (priority 32768 sysidext 12) Address Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 Interface Role Sts Cost Type Fa0/23 Root FWD 19 P2p Fa0/24 Altn BLK 19 P2p 17 步驟 六 、 顯示 當(dāng)前配置 結(jié)果 Sw1的配置結(jié)果： sw1show runningconfig ! hostname sw1 ! spanningtree vlan 10 priority 4096 ！ no ip domainlookup ! interface FastEther0/23 switchport trunk encapsulation dot1q switchport mode trunk ! interface FastEther0/24 switchport trunk encapsulation dot1q switchport mode trunk ! end 18 sw2的配置結(jié)果： sw2show runningconfig hostname sw2 ！ spanningtree vlan 20 priority 4096 ! no ip domainlookup ! interface FastEther0/23 switchport trunk encapsulation dot1q switchport mode trunk ! interface FastEther0/24 switchport trunk encapsulation dot1q switchport mode trunk ! end sw3的配置結(jié)果： sw3show runningconfig ! 19 hostname sw3 ! no ip domainlookup ! spanningtree vlan 1 priority 24576 ! interface FastEther0/23 switchport mode trunk ! interface FastEther0/24 switchport mode trunk ! End 實(shí)驗(yàn)二、 靜態(tài)路由 環(huán)境：兩臺(tái) 2500 系列路由器 通過串口相連。 20 步驟 一、 基本配置 Router Routerenable Routerconfig terminal Router(config)hostname R1 R1(config)no ip domainlookup R1(config)line console 0 R1(configline) logging synchronous R1(configline)exectimeout 0 0 R1(configline)exit 步驟 二 :接口配置 R1的配置： R1