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1、Cisco VTP中繼協(xié)議配置實(shí)踐
1. VTP協(xié)議：
VLAN中繼協(xié)議，VTP, VLAN TRUNKING PROTOCOL是CISCO專用協(xié)議，大多數(shù)交 換機(jī)都支持該協(xié)議。VTP負(fù)責(zé)在VTP域內(nèi)同步VLAN信息，這樣就不必在每個(gè)交換上配置 相同的VLAN信息。VTP還提供一種映射方案，以便通信流能跨越混合介質(zhì)的骨干。VTP 最重要的作用是，將進(jìn)行變動(dòng)時(shí)可能會(huì)出現(xiàn)在的配置不一致性降至最低。不過，VTP也有 一些缺點(diǎn)，這些缺點(diǎn)通常都與生成樹協(xié)議有關(guān)。
知識(shí)點(diǎn)：
VLAN中繼協(xié)議(VTP)利用第2層中繼幀，在一組交換機(jī)之間進(jìn)行VLAN通信.VTP從 一個(gè)中心控制點(diǎn)開始，維護(hù)整個(gè)企業(yè)網(wǎng)上
2、VLAN的添加和重命名工作，確保配置的一致性。
2. 設(shè)計(jì)思路及需求：
1、 Cisco C3560配置成為VTP server并設(shè)置VTP管理域名稱CCTV
2、 Cisco C3560 創(chuàng)建三個(gè) VLAN(VLAN10 VLAN20 VLAN 30)并配置每個(gè) VLAN 動(dòng) 態(tài)獲取IP
3、 Cisco C3650 分配三個(gè)端口 fa 0/1-3 設(shè)置為 trunk
4、 三臺(tái) Cisco C2960 配置成為 VTP client
5、 C2960_01 分配 fa 0/1-5 給 VLAN 10，并設(shè)置 faO/24 端口為 trunk
6、 C2960_02 分配 fa
3、 0/1-5 給 VLAN 20，并設(shè)置 fa0/24 端口為 trunk
7、 C2960_03 分配 fa 0/1-5 給 VLAN 30，并設(shè)置 fa0/24 端口為 trunk
3. 網(wǎng)絡(luò)拓?fù)鋱D：
faO/1
faO/24
□
□
：6D r 估0/2
feO/24
2960I24TT C296B_03 faO/1
PC-PT vlan30_dhcp
fiaO/24
)_01 faO/1
2960I24TT C29
FOPT vlanl0_dh cp
PC-PT vlan20_dhcp
w
296DI24TT
C2963_O2
faO/1
4、
4.配置
(1) Cisco C3560 配置如下：
##設(shè)置VTP域名名稱及VTP Server
C3560>e nable
C3560#vla n database
C3560(vla n)#vtp doma in CCTV
C3560(vla n)#vtp server
##創(chuàng)建 VLAN 10 VLAN 20 VLAN 30
C3560(vla n)#vla n 10 n ame VLAN10
C3560(vlan)#vlan 20 name VLAN20
C3560(vlan)#vlan 30 name VLAN30
C3560(vla n)#exit
##
5、VLAN配置IP地址
3560#c on figu re terminal
C3560(co nfig)#i nter face vla n 10
C3560(config-if)#ip address 192.168.10.1 255.255.255.0
C3560(c on fig-if)#exit
C3560(co nfig)#i nter face vla n 20
C3560(c on fig-if)#ip add ress 192.168.20.1 255.255.255.0
C3560(c on fig-if)#exit
C3560(co nfig)#i nter
6、 face vla n 30
C3560(c on fig-if)#ip add ress 192.168.30.1 255.255.255.0
C3560(c on fig-if)#exit
##配置DCHP
C3560(c on fig)#se rvice dhcp
C3560(config)#ip dhcp pool vlan10_dhcp
C3560(dhcp-co nfig)# netwo rk 192.168.10.0 255.255.255.0
C3560(dhcp-co nfig)#default-route r 192.168.10.1
C3560(dhcp-
7、c on fig)#d ns-se rver 114.114.114.114
C3560(dhcp-co nfig)#exit
C3560(config)#ip dhcp excluded-address 192.168.10.1 192.168.10.10
C3560(c on fig)#ip dhcp pool vla n20_dhcp
C3560(dhcp-co nfig)# netwo rk 192.168.20.0 255.255.255.0
C3560(dhcp-co nfig)#default-route r 192.168.20.1
C3560(dhcp-c on
8、fig)#d ns-se rver 114.114.114.114
C3560(dhcp-co nfig)#exit
C3560(config)#ip dhcp excluded-address 192.168.20.1 192.168.20.10
C3560(c on fig)#ip dhcp pool vla n30_dhcp
C3560(dhcp-co nfig)# netwo rk 192.168.30.0 255.255.255.0
C3560(dhcp-co nfig)#default-route r 192.168.30.1
C3560(dhcp-c on fig)#
9、d ns-se rver 114.114.114.114
C3560(dhcp-co nfig)#exit
C3560(config)#ip dhcp excluded-address 192.168.30.1 192.168.30.10 ##設(shè)置三個(gè)端口 fastEthernet 0/1-3 為 trunk
知識(shí)點(diǎn)：VLAN的封裝類型，目前有ISL和802.1q(dot1q)兩種協(xié)議，ISL是思科私有的 VLAN封裝協(xié)議，思科部分交換機(jī)支持ISL協(xié)議，使用該協(xié)議能提高VLAN傳輸性能。
C3560(c on fig)#i nter face range fastEthe rnet 0
10、/1-3
C3560(config-if-range)#switchport trunk encapsulation ?
dot1q Inter face uses only 802.1q trunking en capsulati on whe n trunking
C3560(config-if-range)#switchport trunk encapsulation dot1q
C3560(c on fig-if-ran ge)#switchpo rt mode trunk
C3560(c on fig-if-ran ge)#exit
##開啟三層路由功能
C3560>e
11、 nable
C3560#c on figu re terminal
C3560(c on fig)#ip ro ut ing
##顯示與維護(hù)
C3560#show runnin g-c onfig
C3560#show vtp status
(2) Cisco C296O_01 配置如下：
##設(shè)置VTP域名名稱及VTP Client
C2960_01>e nable
C2960_01#vla n database
C2960_01(vla n)#vtp doma in CCTV
C2960_01(vlan)#vtp client
C2960_01(vla n)#ex
12、it
## 分配 fa0/1-5 端口給 VLAN 10
C2960_01#c on figu re te rminal
C2960_01(co nfig)#i nte rface ran ge fastEthe rnet 0/1-5
C2960_01(config-if-range)#switchport access vlan 10
C2960_01(c on fig-if-ran ge)#switchpo rt mode access
C2960_01(c on fig-if-ran ge)# no shutdow n
C2960_01(c on fig-if-ran ge
13、)#exit
## 設(shè)置 fa0/24 端口為 trunk
C2960_01(co nfig)#i nte rface fastEthe rnet 0/24
C2960_01(c on fig-if)#switchp ort mode trunk
C2960_01(c on fig-if)# no shutdow n
C2960_01(c on fig-if)#exit
##顯示與維護(hù)
C2960_01#show via n
C2960_01#show runnin g-co nfig
C2960_01#show vtp status
(3) Cisco C2960_02
14、配置如下：
##設(shè)置VTP域名名稱及VTP Client
C2960_02>e nable
C2960_02#vla n database
C2960_02(vla n)#vtp doma in CCTV
C2960_02(vla n)#vtp clie nt
C2960_02(vla n)#exit
## 分配 fa0/1-5 端口給 VLAN 10
C2960_02#c onfigure terminal
C2960_02(c on fig)#i nte rface range fastEthe rnet 0/1-5
C2960_02(config-if-range)#
15、switchport access vlan 10
C2960_02(c on fig-if-ran ge)#switchpo rt mode access
C2960_02(c on fig-if-ran ge)# no shutdow n
C2960_02(c on fig-if-ran ge)#exit
## 設(shè)置 fa0/24 端口為 trunk
C2960_02(co nfig)#i nte rface fastEthe rnet 0/24
C2960_02(c on fig-if)#switchpo rt mode trunk
C2960_02(c on fig-if
16、)# no shutdow n
C2960_02(c on fig-if)#exit
##顯示與維護(hù)
C2960_02#show via n
C2960_02#show runnin g-c onfig
C2960_01#show vtp status
(4) Cisco C296O_03 配置如下：
##設(shè)置VTP域名名稱及VTP Client
C2960_03>e nable
C2960_03#vla n database
C2960_03(vla n)#vtp doma in CCTV
C2960_03(vla n)#vtp clie nt
C2960_03(vl
17、a n)#exit
## 分配 fa0/1-5 端口給 VLAN 10
C2960_03#c onfigure terminal
C2960_03(c on fig)#i nte rface range fastEthe rnet 0/1-5
C2960_03(config-if-range)#switchport access vlan 10
C2960_03(c on fig-if-ran ge)#switchpo rt mode access
C2960_03(c on fig-if-ran ge)# no shutdow n
C2960_03(c on fig-if-ran ge)#exit
## 設(shè)置 fa0/24 端口為 trunk
C2960_03(co nfig)#i nte rface fastEthe rnet 0/24
C2960_03(c on fig-if)#switchpo rt mode trunk
C2960_03(c on fig-if)# no shutdow n
C2960_03(co nfig-if)#exit
##顯示與維護(hù)
C2960_03#show vla n
C2960_03#show runnin g-c onfig
C2960_03#show vtp status
Cisco VTP中繼協(xié)議配置實(shí)踐
