任务 8:通过 VTP 同步 vlan 数据库
步骤 1:进入 SW1 的全局配置模式
SW1>enable SW1#configure terminal Enter configuration commands, one per line. End with CNTL/Z. SW1(config)#
步骤 2:指定 SW1 的 VTP 域名为 yangbang
SW1(config)#vtp domain yangbang Changing VTP domain name from NULL to yangbang SW1(config)#
步骤 3:指定 SW1 的 VTP 密码为 12345
SW1(config)#vtp password 12345 Setting device VLAN database password to 12345 SW1(config)#
步骤 4:指定 SW1 的 VTP 模式为 Server(默认就是 Server)
SW1(config)#vtp mode server Device mode already VTP SERVER. SW1(config)#
步骤 5:进入 SW2 的全局配置模式
SW2>enable SW2#configure terminal Enter configuration commands, one per line. End with CNTL/Z. SW2(config)#
步骤 6:指定 SW2 的 VTP 域名为 yangbang
SW2(config)#vtp domain yangbang Domain name already set to yangbang. SW2(config)#
步骤 7:指定 SW2 的 VTP 密码为 12345
SW2(config)#vtp password 12345 Setting device VLAN database password to 12345 SW2(config)#
步骤 8:指定 SW2 的 VTP 模式为为 Client
SW2(config)#vtp mode client Setting device to VTP CLIENT mode. SW2(config)#
步骤 9:在 SW1 上增加 vlan300,名称保持默认
SW1(config)#vlan 300 SW1(config-vlan)#exit SW1(config)#exit SW1#
步骤 10:检查 SW1 的 vlan 数据库,确保 vlan300 已加入数据库
SW1#show vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active 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 Gig0/1, Gig0/2 200 VLAN0200 active Fa0/2, Fa0/3 300 VLAN0300 active 1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active 1005 trnet-default active
步骤 11:检查 SW2 的 vlan 数据库,会发现 vlan300 也出现了,说明 VTP 可以帮助我们集中 管理 vlan 数据库
SW2#show vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Fa0/1, Fa0/2, Fa0/3, 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, Gig0/1, Gig0/2 200 VLAN0200 active Fa0/4 300 VLAN0300 active 1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active 1005 trnet-default active
步骤 12:在 SW1 上,删除 vlan300
SW1(config)#no vlan 300 SW1(config)#exit SW1#
步骤 13:再检查 2 台交换机的 vlan 数据库,发现 vlan300 都被删除了
SW1#show vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active 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 Gig0/1, Gig0/2 200 VLAN0200 active Fa0/2, Fa0/3 1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active 1005 trnet-default active
SW2#show vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Fa0/1, Fa0/2, Fa0/3, 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, Gig0/1, Gig0/2 200 VLAN0200 active Fa0/4 1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active
步骤 14:使用 Show vtp status,观察 VTP 的域名和模式等信息
SW1#show vtp status VTP Version : 2 Configuration Revision : 3 Maximum VLANs supported locally : 1005 Number of existing VLANs : 6 VTP Operating Mode : Server VTP Domain Name : yangbang VTP Pruning Mode : Disabled VTP V2 Mode : Disabled VTP Traps Generation : Disabled MD5 digest : 0x0B 0x2D 0xE5 0xE6 0x85 0xE8 0xF9 0x2A Configuration last modified by 0.0.0.0 at 3-1-93 01:08:38 Local updater ID is 0.0.0.0 (no valid interface found)
SW2#show vtp status VTP Version : 2 Configuration Revision : 3 Maximum VLANs supported locally : 1005 Number of existing VLANs : 6 VTP Operating Mode : Client VTP Domain Name : yangbang VTP Pruning Mode : Disabled VTP V2 Mode : Disabled VTP Traps Generation : Disabled MD5 digest : 0x0B 0x2D 0xE5 0xE6 0x85 0xE8 0xF9 0x2A Configuration last modified by 0.0.0.0 at 3-1-93 01:08:38
步骤 15:使用 show vtp password,观察 VTP 的密码
SW1#show vtp password VTP Password: 12345 SW1#
步骤 16:尝试在 SW2 上创建 vlan400,但失败了,说明在 client 交换机上,不能对 vlan 数据库进行修改
SW2(config)#vlan 400 %VTP VLAN configuration not allowed when device is in CLIENT mode. SW2(config)#