交换：VTP域名

一、试验拓扑： 

 

 

 

VTP互通的6个条件：1、相同域名2、trunk链路3、vtp模式4、配置修订号5、版本一致6、密码相同 

 

作用：

VTP是用来管理vlan信息的 ，分为客户机 服务器和透明模式 ，就是在一台设备上来配置vlan，然后其余的机器都来同步vlan信息，简单的说 就是为了节省配置时间 server是VTP服务器模式。
client是VTP客户模式，可以学习server的vlan，不可增删vlan 。
transparet是透明模式，不可学习server的vlan，可增删vlan。
server需要设domain XX，client设的domian需要和server一样也是XX，最好加上password。

二、试验目的：

1、成功配置VTP的各个参数，并检验配置生效。

2、创建VTP域，配置各个运行模式，配置VTP口令。

3、配置VTP修剪，配置VTP版本，在VTP中增加和删除交换机

4、把bbb交换机换成透明模式，出现怎样的结果。

三、试验步骤：

1、配置交换机aaa，模式为服务器模式

Router(config)#no ip domain lookup (关闭域名解析、防止超时)
Router(config)#line console 0
Router(config-line)#exec-timeout 0 0
Router(config-line)#logging synchronous
Router(config-line)#exit

 

Router(config)#hostname aaa  修改名称
aaa#vlan database   （此模式是在模拟器中配置，真实机需在全局模式中配置）
aaa(vlan)#vlan 10
VLAN 10 added:
    Name: VLAN0010
aaa(vlan)#vlan 20
VLAN 20 added:
    Name: VLAN0020
aaa(vlan)#vlan 30
VLAN 30 added:
    Name: VLAN0030
aaa(vlan)#exit
APPLY completed.
Exiting....
aaa#config terminal
Enter configuration commands, one per line.  End with CNTL/Z.
       
aaa#vlan data
*Mar  1 00:08:02.655: %SYS-5-CONFIG_I: Configured from console by console
aaa#vlan database
aaa(vlan)#vtp domain t17
Changing VTP domain name from NULL to t17

aaa(vlan)#vtp server
Device mode already VTP SERVER.
aaa(vlan)#vtp password 123
Setting device VLAN database password to 123.
aaa(vlan)#exit
APPLY completed.
Exiting....
aaa#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
aaa(config)#interface f0/0
aaa(config-if)#swit
aaa(config-if)#switchport mode trunk  配置trunk
*Mar  1 00:10:03.103: %DTP-5-TRUNKPORTON: Port Fa0/0 has become dot1q trunk
aaa(config-if)#exit
aaa(config)#exit

查看vtp状态

 

2、配置交换机bbb为客户端，并且修剪配置

bbb#vlan database
bbb(vlan)#vtp domain t17
Changing VTP domain name from NULL to t17
bbb(vlan)#vtp mode client

bbb(vlan)#vtp client
Setting device to VTP CLIENT mode..

bbb(vlan)#vtp password 123
Setting device VLAN database password to 123.
bbb(vlan)#exit
In CLIENT state, no apply attempted.
Exiting....
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
bbb(config)#interfae f0/0

bbb(config)#interface f0/0
bbb(config-if)#switchport mode trunk
*Mar  1 00:12:36.055: %DTP-5-TRUNKPORTON: Port Fa0/0 has become dot1q trun
Router(config-if)#interface
Router(config-if)#interface f0/1
Router(config-if)#switchport mode trunk
Router(config-if)#exit
*Mar  1 00:12:52.819: %DTP-5-TRUNKPORTON: Port Fa0/1 has become dot1q trun

bbb(config)#exit
bbb#vlan database
bbb(vlan)#vtp pruning         修剪
Pruning switched ON
bbb(vlan)#exit
In CLIENT state, no apply attempted.
Exiting....
bbb#show vtp status
VTP Version                     : 2
Configuration Revision           : 1
Maximum VLANs supported locally : 256
Number of existing VLANs        : 8
VTP Operating Mode              : Client
VTP Domain Name                 : t17
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0xE6 0xF6 0xDD 0x00 0x9D 0x20 0xB5 0x5E
Configuration last modified by 0.0.0.0 at 3-1-02 00:06:54
 bbb#show vlan-switch brief

VLAN Name                             Status    Ports
---- -------------------------------- --------- --------------------------
1    default                          active    Fa0/2, Fa0/3, Fa0/4, Fa0/5
                                                Fa0/6, Fa0/7, Fa0/8, Fa0/9
                                                Fa0/10, Fa0/11, Fa0/12, Fa
                                                Fa0/14, Fa0/15
10   VLAN0010                         active
20   VLAN0020                         active
30   VLAN0030                         active
1002 fddi-default                     active
1003 token-ring-default               active
1004 fddinet-default                  active
1005 trnet-default                    active

3、配置交换机ccc 为客户端模式

 

Router#vlan database
Router(vlan)#vtp clien
Router(vlan)#vtp client
Setting device to VTP CLIENT mode.
Router(vlan)#vtp domain t17
Changing VTP domain name from NULL to t17
Router(vlan)#vtp password 123
Setting device VLAN database password to 123.
Router(vlan)#vtp version 2

Router(vlan)#exit
In CLIENT state, no apply attempted.
Exiting....
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#interface f0/1
Router(config-if)#switchport mode trunk
*Mar  1 00:15:33.435: %DTP-5-TRUNKPORTON: Port Fa0/1 has become dot1q trun
Router(config-if)#exit
Router(config)#exit
*Mar  1 00:15:42.527: %SYS-5-CONFIG_I: Configured from console by console

ccc#show vtp status
VTP Version                     : 2
Configuration Revision           : 1
Maximum VLANs supported locally : 256
Number of existing VLANs        : 8
VTP Operating Mode              : Client
VTP Domain Name                 : t17
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0xE6 0xF6 0xDD 0x00 0x9D 0x20 0xB5 0x5E

 

4、在aaa的交换机vtp中，增加vlan40

aaa#vlan data
aaa(vlan)#vlan 40
VLAN 40 added:
    Name: VLAN0040
aaa(vlan)#exit
APPLY completed.
Exiting....
aaa#show vtp status
VTP Version                     : 2
Configuration Revision          : 2
Maximum VLANs supported locally : 256
Number of existing VLANs        : 9
VTP Operating Mode              : Server
VTP Domain Name                 : t17
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0x86 0xF1 0x65 0x37 0xB7 0x17 0x81 0xBA

查看bbb、ccc交换机

5、删除vtp 服务器模式中的vlan30

aaa#vlan database
aaa(vlan)#no vlan 30
Deleting VLAN 30...
aaa(vlan)#exit

查看bbb、ccc交换机

6、把交换机bbb改成透明模式  vtp再次通告信息
bbb#vlan data
bbb#vlan database
bbb(vlan)#vtp tran
bbb(vlan)#vtp transparent
Setting device to VTP TRANSPARENT mode.
bbb(vlan)#
bbb(vlan)#
bbb(vlan)#exit
APPLY completed.
Exiting....
bbb#show vtp status
VTP Version                     : 2
Configuration Revision          : 0
Maximum VLANs supported locally : 256
Number of existing VLANs        : 9
VTP Operating Mode              : Transparent
VTP Domain Name                 : t17
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0x86 0xF1 0x65 0x37 0xB7 0x17 0x81 0xBA

 

7、在vtp中添加vlan30

aaa#vlan database
aaa(vlan)#vlan 50
VLAN 50 added:
    Name: VLAN0050
aaa(vlan)#exit
APPLY completed.
Exiting....
aaa#show vtp status
VTP Version                     : 2
Configuration Revision          : 4
Maximum VLANs supported locally : 256
Number of existing VLANs        : 9
VTP Operating Mode              : Server
VTP Domain Name                 : t17
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0x74 0x45 0x8A 0xFD 0x3F 0x17 0x83 0x36

查看bbb 、ccc交换机

ccc#show vtp status
VTP Version                     : 2
Configuration Revision          : 4
Maximum VLANs supported locally : 256
Number of existing VLANs        : 9
VTP Operating Mode              : Client
VTP Domain Name                 : t17
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Disabled
MD5 digest                      : 0x74 0x45 0x8A 0xFD 0x3F 0x17 0x83 0x36

 

 

 

四、实验结果：

在配置vtp成功后，客户机bbb、ccc生效，当客户机模式的交换机bbb改为透明模式后，再次对vtp添加或删除vlan时，vtp只对交换机ccc生效 ，交换机bbb的修订号变为0

  下一节为pvst生成树的配置

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