多个交换机中的VLAN 划分 vtp配置 与端口加入
拓扑如下 同一水平线为同一个VLAN 网 共三个 值得注意的是 在不同的交换机 需要承载VLAN 信息需要开启干道链路（trunk)
VTP 信息可以帮助其他相邻的交换机 更新VTP 信息和VLAN 信息 可以减少网络管理工作量
0
Switch>en
Switch#conf t
Switch#vlan database
Switch(vlan)#vlan 2 name redhatd1
VLAN 2 added:
Name: redhatd1
Switch(vlan)#vlan 3 name redhatd2
VLAN 3 added:
Name: redhatd2
Switch(vlan)#vlan 4 name redhatd3
VLAN 4 added:
Name: redhatd3
Switch(vlan)#vtp domain redhatd
//VTP 配置玉米 和密码 输入 vtp [server][client][transparent] 可更改对应的模式 默认为server
Changing VTP domain name from NULL to redhatd
Switch(vlan)#vtp password 123456
Setting device VLAN database password to 123456
Switch(config)#^Z
Switch#
%SYS-5-CONFIG_I: Configured from console by console
Switch#show vtp status //查看VTP 信息
VTP Version : 2
Configuration Revision : 0
Maximum VLANs supported locally : 255
Number of existing VLANs : 7
VTP Operating Mode : Server //SERVER 模式会接受 修改和创建的配置 默认在此模式下
VTP Domain Name : redhatd
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0x29 0x05 0x43 0x53 0xE5 0x53 0xF9 0xD6
Configuration last modified by 0.0.0.0 at 3-1-93 00:14:10
Local updater ID is 0.0.0.0 (no valid interface found)
Switch(config)#int f0/1
Switch()#switchport access vlan 2
Switch(config-if)#int f0/2
Switch(config-if)#switchport access vlan 3
Switch(config-if)#int f0/3
Switch(config-if)#switchport access vlan 4
Switch(config-if)#^Z
Switch#show vlan brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active 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, Fa0/24
Gig1/1, Gig1/2
2 redhatd1 active Fa0/1
3 redhatd2 active Fa0/2
4 redhatd3 active Fa0/3
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
Switch(config)#int f0/4
Switch(config-if)#switchport mode trunk //开启干道链路 承载VLAN 信息
Switch0 配置结束
Switch1
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int f0/4
Switch(config-if)#sw mode tr
Switch(config-if)#^Z
Switch#
%SYS-5-CONFIG_I: Configured from console by console
Switch#show vtp status
VTP Version : 2
Configuration Revision : 0
Maximum VLANs supported locally : 255
Number of existing VLANs : 5
VTP Operating Mode : Server
VTP Domain Name : redhatd
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xED 0x8C 0xA2 0x30 0x42 0x64 0xAD 0x5F
Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00
Local updater ID is 0.0.0.0 (no valid interface found)
//因为开启 TRUNK 已获得同步更新的VTP 信息和 VLAN 信息 不过端口需重新加入
Switch#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, Fa0/24, Gig1/1
Gig1/2
2 redhatd1 active
3 redhatd2 active
4 redhatd3 active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
Switch(config)#int f0/1
Switch(config-if)#switchport access vlan 2
Switch(config-if)#int f0/2
Switch(config-if)#switchport access vlan 3
Switch(config-if)#int f0/3
Switch(config-if)#switchport access vlan 4
Switch(config-if)#^Z
Switch#
%SYS-5-CONFIG_I: Configured from console by console
show vlan brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active 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, Fa0/24
Gig1/1, Gig1/2
2 redhatd1 active Fa0/1
3 redhatd2 active Fa0/2
4 redhatd3 active Fa0/3
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int f0/5
Switch(config-if)#switchport mode trunk //开启trunk
Switch1配置结束
Switch2
Switch>en
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int f0/4
Switch(config-if)#switchport mode trunk
Switch(config-if)#^Z
Switch#
%SYS-5-CONFIG_I: Configured from console by console
Switch#show vtp status
VTP Version : 2
Configuration Revision : 3
Maximum VLANs supported locally : 255
Number of existing VLANs : 8
VTP Operating Mode : Server
VTP Domain Name : redhatd
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0x52 0x3B 0x59 0x49 0xB7 0x39 0x43 0x88
Configuration last modified by 0.0.0.0 at 3-1-93 00:51:14
Local updater ID is 0.0.0.0 (no valid interface found)
Switch(config)#^Z
Switch#
%SYS-5-CONFIG_I: Configured from console by console
Switch#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, Fa0/24, Gig1/1
Gig1/2
2 redhatd1 active
3 redhatd2 active
4 redhatd3 active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#int f0/1
Switch(config-if)#switchport access vlan 2
Switch(config-if)#int f0/2
Switch(config-if)#switchport access vlan 3
Switch(config-if)#int f0/3
Switch(config-if)#switchport access vlan 4
Switch(config-if)#^Z
Switch#
%SYS-5-CONFIG_I: Configured from console by console
show vlan b
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active 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, Fa0/24
Gig1/1, Gig1/2
2 redhatd1 active Fa0/1
3 redhatd2 active Fa0/2
4 redhatd3 active Fa0/3
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
Switch#
Switch2 配置结束
PS：实际过程中配置完毕别忘记用write memory 保存