实验一、配置STP与VTP环境：三台交换机，形成一个全互连结构，sw3为2950，sw1和sw2为2900xl；要求：设置sw3为VTP server,设置sw1和sw2为VTP client,域名为cisco，密码为：cisco，在server创建vlan 10(name:aa)和vlan20(name:bb);设置sw3为vlan1的根桥，sw1为vlan10的根桥，sw2为vlan20的根桥；初始化配置：Sw#showvlan◊查看vlan信息Sw#Delete vlan.dat◊用此命令将vlan删除Sw#show startup-config◊查看一下NVRAM是否保存了配置Sw#erase startup-config◊清空配置文件Sw#reload◊重新启动交换机sw>enablesw#config terminalsw(config)#hostname sw1sw1(config)#no ip domain-lookup ◊关闭域名查找sw1(config)#line console 0sw1(config-line)#logging synchronous ◊命令输入达到同步sw1(config-line)#exec-timeout 0 0 ◊设置永不超时sw1(config-line)#exit步骤一、配置VTPsw3的配置：sw3(config)#vtp mode server ◊在sw3上启用vtp serverDevice mode already VTP SERVER.sw3(config)#vtp domain cisco ◊设置域名Changing VTP domain name from NULL to ciscosw3(config)#vtp password cisco ◊设置密码Setting device VLAN database password to ciscosw1的配置:sw1#vlan database ◊进入vlan数据库sw1(vlan)#vtp client ◊启用VTP client模式Setting device to VTP CLIENT mode.sw1(vlan)#vtp domain cisco ◊作用到cisco域中Changing VTP domain name from NULL to ciscosw1(vlan)#vtp password cisco ◊设置密码与server端相同Setting device VLAN database password to cisco.sw1(vlan)#exit ◊使配置生效In CLIENT state, no apply attempted.Exiting....sw2的配置:sw2#vlan databasesw2(vlan)#vtp clientSetting device to VTP CLIENT mode.sw2(vlan)#vtp domain ciscoChanging VTP domain name from NULL to ciscosw2(vlan)#vtp password ciscoSetting device VLAN database password to cisco.sw2(vlan)#exitsw2#步骤二、启用干道端口sw3的配置：sw3(config)#interface fa0/23sw3(config-if)#switchport mode trunk ◊启用trunk端口sw3(config-if)#interface fa0/24sw3(config-if)#switchport mode trunksw1的配置：sw1(config)#interface fa0/23sw1(config-if)#switchport trunk encapsulation dot1q ◊封装干道协议sw1(config-if)#switchport mode trunk ◊启用trunk模式sw1(config-if)#sw1(config)#interface fa0/24sw1(config-if)#switchport trunk encapsulation dot1qsw1(config-if)#switchport mode trunksw2的配置：sw2(config)#interface fa0/23sw2(config-if)#switchport trunk encapsulation dot1qsw2(config-if)#switchport mode trunksw2(config)#interface fa0/24sw2(config-if)#switchport trunk encapsulation dot1qsw2(config-if)#switchport mode trunk步骤三、测试vtp状态及创建vlansw3的状态：sw3#show vtp status ◊显示vtp状态VTP Version : 2Configuration Revision : 0 ◊配置修订号Maximum VLANs supported locally : 254Number of existing VLANs : 5VTP Operating Mode : server ◊vtp模式VTP Domain Name : cisco ◊vtp域名VTP Pruning Mode : DisabledVTP V2 Mode : DisabledVTP Traps Generation : DisabledMD5 digest : 0x3F 0x17 0xC8 0xB8 0x5A 0xE3 0x01 0x66 Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00创建vlan:sw3(config)#vlan 10 ◊创建VLAN10sw3(config-vlan)#name aa◊命名为aasw3(config-vlan)#exit ◊应用配置sw3(config)#vlan 20 ◊创建VLAN20sw3(config-vlan)#name bb ◊命名为bbsw3(config-vlan)#exitsw3(config)#sw3的状态：sw3#show vtp status ◊在sw3显示vtp的状态VTP Version : 2Configuration Revision : 2 ◊server的修订号Maximum VLANs supported locally : 254Number of existing VLANs : 7 ◊vlan也已经增加VTP Operating Mode : serverVTP Domain Name : ciscoVTP Pruning Mode : DisabledVTP V2 Mode : DisabledVTP Traps Generation : DisabledMD5 digest : 0x98 0x31 0xCF 0xA0 0xA7 0x17 0x73 0x66 Configuration last modified by 0.0.0.0 at 3-1-93 00:52:05sw2的状态：sw2#show vtp statusVTP Version : 2Configuration Revision : 2 ◊已经同步了serverMaximum VLANs supported locally : 254Number of existing VLANs : 7VTP Operating Mode : ClientVTP Domain Name : ciscoVTP Pruning Mode : DisabledVTP V2 Mode : DisabledVTP Traps Generation : DisabledMD5 digest : 0x98 0x31 0xCF 0xA0 0xA7 0x17 0x73 0x66 Configuration last modified by 0.0.0.0 at 3-1-93 00:52:05sw1的vlan信息:sw1#show vlan◊显示vlan信息VLAN Name Status Ports---- -------------------------------- --------- ------------------------------- 1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4,Fa0/5, Fa0/6, Fa0/7, Fa0/8,Fa0/9, Fa0/10, Fa0/11, Fa0/12,Fa0/13, Fa0/14, Fa0/15, Fa0/16,Fa0/17, Fa0/18, Fa0/19, Fa0/20,Fa0/21, Fa0/22, Fa0/23, Fa0/2410 aa active ◊已经同步了vlan的信息20 bb active步骤四、配置PVSTsw3(config)#spanning-tree vlan 1 root primary ◊设置为vlan1的根桥Sw1(config)#spanning-tree vlan 10 priority 4096 ◊设置为vlan10的根桥Sw2(config)#spanning-tree vlan 20 priority 4096 ◊设置为vlan20的根桥步骤五、显示STP的信息sw1的生成树信息:sw1#show spanning-tree brief ◊显示每VLAN生成树信息VLAN1Spanning tree enabled protocol IEEEROOT ID Priority 24577Address 0007.eb06.1740 ◊非vlan1的根桥Hello Time 2 sec Max Age 20 sec Forward Delay 15 secBridge ID Priority 32768Address 0030.803d.f640Hello Time 2 sec Max Age 20 sec Forward Delay 15 secVLAN10Spanning tree enabled protocol IEEEROOT ID Priority 4096Address 0030.803d.f641 ◊为vlan10的根桥This bridge is the rootHello Time 2 sec Max Age 20 sec Forward Delay 15 secBridge ID Priority 4096Address 0030.803d.f641Hello Time 2 sec Max Age 20 sec Forward Delay 15 secVLAN20Spanning tree enabled protocol IEEEROOT ID Priority 4096Address 00b0.645f.34c2 ◊非vlan20的根桥Hello Time 2 sec Max Age 20 sec Forward Delay 15 secBridge ID Priority 32768Address 0030.803d.f642Hello Time 2 sec Max Age 20 sec Forward Delay 15 secsw2的生成树信息:sw2#show spanning-tree briefVLAN1Spanning tree enabled protocol IEEE ◊非vlan1的根桥ROOT ID Priority 24577Address 0007.eb06.1740Hello Time 2 sec Max Age 20 sec Forward Delay 15 secBridge ID Priority 32768Address 00b0.645f.34c0Hello Time 2 sec Max Age 20 sec Forward Delay 15 secVLAN10Spanning tree enabled protocol IEEEROOT ID Priority 4096 ◊非vlan10的根桥Address 0030.803d.f641Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768Address 00b0.645f.34c1Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec VLAN20Spanning tree enabled protocol IEEEROOT ID Priority 4096 ◊为vlan20的根桥Address 00b0.645f.34c2This bridge is the rootHello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 4096Address 00b0.645f.34c2Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec sw3的生成树信息:sw3#show spanning-treeVLAN0001Spanning tree enabled protocol ieeeRoot ID Priority 24577 ◊为vlan1的根桥Address 0007.eb06.1740This bridge is the rootHello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 24577 (priority 24576 sys-id-ext 1) Address 0007.eb06.1740Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300VLAN0010Spanning tree enabled protocol ieeeRoot ID Priority 4096 ◊非vlan10的根桥Address 0030.803d.f641Cost 19Port 24 (FastEthernet0/24)Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32779 (priority 32768 sys-id-ext 11) Address 0007.eb06.1740Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300VLAN0020Spanning tree enabled protocol ieeeRoot ID Priority 4096 ◊非vlan20的根桥Address 00b0.645f.34c2Cost 19Port 23 (FastEthernet0/23)Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32780 (priority 32768 sys-id-ext 12) Address 0007.eb06.1740Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300Interface Role Sts Cost Prio.Nbr Type---------------- ---- --- --------- -------- -------------------------------- Fa0/23 Root FWD 19 128.23 P2pFa0/24 Altn BLK 19 128.24 P2p步骤六、显示当前配置结果Sw1的配置结果：sw1#show running-config!hostname sw1!spanning-tree vlan 10 priority 4096！noip domain-lookup!interface FastEthernet0/23switchport trunk encapsulation dot1qswitchport mode trunk!interface FastEthernet0/24switchport trunk encapsulation dot1qswitchport mode trunk!endsw2的配置结果：sw2#show running-confighostname sw2！spanning-treevlan 20 priority 4096!noip domain-lookup!interface FastEthernet0/23switchport trunk encapsulation dot1qswitchport mode trunk!interface FastEthernet0/24switchport trunk encapsulation dot1qswitchport mode trunk!endsw3的配置结果：sw3#show running-config!hostname sw3!noip domain-lookup!spanning-treevlan 1 priority 24576!interface FastEthernet0/23switchport mode trunk!interface FastEthernet0/24switchport mode trunk!End实验二、静态路由环境：两台2500系列路由器通过串口相连。