VTP of Cisco

VTP (Virtual LAN Relay protocol): Cisco's private protocol, through the VTP protocol, can be implemented between the exchange of messages between the switch, so as to achieve the synchronization of VLAN and unified management.

VTP Example:

650) this.width=650; "Src=" https://s3.51cto.com/wyfs02/M00/94/10/wKiom1kLRyqA4V3yAAAnRNcPrV4865.jpg-wh_500x0-wm_ 3-wmp_4-s_536987812.jpg "title=" 2017-05-04_232121.jpg "alt=" Wkiom1klryqa4v3yaaanrncprv4865.jpg-wh_50 "/>

R3:

R3 (config) #int f1/1 #trunk模式

R3 (config-if) #switchport mode trunk

R3 (config) #vtp domain Cisco #所有启用VTP的交换机域名一致

R3 (config) #vtp password Cisco #VTP密码一致

The R3 (config) #vtp mode server #VTP域至少有一台处于服务器模式 for

R3 (config) #vtp pruning create, modify, and delete VLANs

Pruning switched on

R3 (config) #vlan #新建VLAN

R3 (Config-vlan) #name vlan10

R3 (Config-vlan) #vlan 20

R3 (Config-vlan) #name Vlan20

R3 (config) #int vlan 1 #管理IP

R3 (config-if) #ip add 172.16.1.1 255.255.255.0

R3 (config-if) #no sh

R3#sh Vlan-switch #查看VLAN

VLAN Name Status Ports

---- -------------------------------- --------- -------------------------------

1 Default Active fa1/0, FA1/2, FA1/3, FA1/4

FA1/5, FA1/6, FA1/7, FA1/8

FA1/9, FA1/10, FA1/11, FA1/12

FA1/13, FA1/14, FA1/15

Ten Vlan10 Active

Vlan20 Active

R3#show VTP Status #查看VTP状态信息

VTP Version:2

Configuration Revision:3

Maximum VLANs Supported locally:36

Number of existing Vlans:7

VTP Operating Mode:server

VTP Domain Name:cisco

VTP Pruning mode:enabled

VTP V2 mode:disabled

VTP Traps generation:disabled

MD5 digest:0x0a 0x68 0x1E 0xCC 0xFC 0xF2 0x7E 0x6F

Configuration last modified by 0.0.0.0 at 3-1-02 00:21:50

Local Updater ID is 172.16.1.1 on interface Vl1 (lowest numbered VLAN interface found)

R4, R5 configuration :

R4 (config) #int F1/1

R4 (config-if) #switchport mode trunk

R4 (config) #int f1/2

R4 (config-if) #sw Mo Trunk

R4 (config) #vtp domain Cisco

R4 (config) #vtp password Cisco

R4 (config) #vtp mode client

View R4, R5 whether the VLAN is synchronized:

R4#show Vlan-switch

VLAN Name Status Ports

---- -------------------------------- --------- -------------------------------

1 Default Active fa1/0, FA1/3, FA1/4, FA1/5

FA1/6, FA1/7, FA1/8, FA1/9

FA1/10, FA1/11, FA1/12, FA1/13

FA1/14, FA1/15

Ten Vlan10 Active

Vlan20 Active

R5#show VLAN-SWI

VLAN Name Status Ports

---- -------------------------------- --------- -------------------------------

1 Default Active fa1/0, FA1/1, FA1/3, FA1/4

FA1/5, FA1/6, FA1/7, FA1/8

FA1/9, FA1/10, FA1/11, FA1/12

FA1/13, FA1/14, FA1/15

Ten Vlan10 Active

Vlan20 Active

To view the VTP status:

R4#sh VTP Status

VTP Version:2

Configuration Revision:3

Maximum VLANs Supported locally:36

Number of existing Vlans:7

VTP Operating mode:client

VTP Domain Name:cisco

VTP Pruning mode:enabled

VTP V2 mode:disabled

VTP Traps generation:disabled

MD5 digest:0x0a 0x68 0x1E 0xCC 0xFC 0xF2 0x7E 0x6F

Configuration last modified by 0.0.0.0 at 3-1-02 00:21:50

This article from "10,000 years too long, seize" blog, please be sure to keep this source http://zengwj1949.blog.51cto.com/10747365/1922243

VTP of Cisco