中小型网络完全配置实例vrrp和mstp
时间：2025-05-14
中小型网络完全配置实例（
VRRP_MSTP)
实验均是在dynamips下完成的，拓扑图是在visio2007里完成的。
在这里，晚生用三个三层核心交换机相互连接，这样的好处是内网数据完全可以在 SW2-SW3之间完成，同时也起到了路由配备的功能：
路由一：SW5<->SW3<->SW2<->SW4<->SW5
路由二：SW5<->SW3<->SW1<->SW2<->SW4
当然有了备份路由就有了负载均衡的问题。在这个实验中，内网间的数据我没有考虑，主要是到外网的上传与下载我进行了负载均衡（用了了MSTP与VRRP）。VRRP是在SW2 SW3上实现的。
特别声明：由于dynimaps里不能做mstp。我就在每一个vlan里自行指定了root设备，我想原理都是一样的。
下面是SW1的配置：
sw1#wr
Building configuration...
*Mar 1 02:39:40.107: %SYS-5-CONFIG_I: Configured from console by lgl on console
[OK]
sw1#show run
Building configuration...
Current configuration : 1613 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname sw1
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$TPal$URu8gOi3eyzCISshPTSbz.
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!
spanning-tree vlan 200 priority 4096
username lgl secret 5 $1$9ldD$v05aG/XH5OpQGigXzWbYj0
!
interface FastEthernet0/0
description link_to router2_f0/0
!
interface FastEthernet0/1
description link_to sw2_f0/1
switchport access vlan 200
interface FastEthernet0/2
description link_to sw3_f0/2
switchport access vlan 200
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface Vlan1
no ip address
!
interface Vlan200
description this is a route_vlan.
ip address 192.168.200.1 255.255.255.0
!
interface Vlan201
description this is a manager_vlan.
ip address 192.168.201.1 255.255.255.0
!
router ospf 100
log-adjacency-changes
network 192.168.200.0 0.0.0.255 area 0
network 192.168.201.0 0.0.0.255 area 0
!
ip http server
no ip http secure-server
!
control-plane
!
line con 0
exec-timeout 0 0
logging synchronous
login local
line aux 0
line vty 0 4
exec-timeout 0 0
logging synchronous
login local
!
end
sw1#show vlan-s
VLAN Name Status Ports
---- -------------------------------- --------- ------------------------------- 1 default active Fa0/0, Fa0/3, Fa0/4, Fa0/5 Fa0/6, Fa0/7, Fa0/8, Fa0/9 Fa0/10, Fa0/11, Fa0/12, Fa0/13 Fa0/14, Fa0/15
200 router active Fa0/1, Fa0/2
201 manager active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
下面是sw2的配置：
sw2#sh run
Building configuration...
Current configuration : 2471 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname sw2
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$MhqD$jQLhOt/TJtcoGu5ckWuVw1
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
!
!
spanning-tree vlan 10 priority 4096
spanning-tree vlan 20 priority 4096
spanning-tree vlan 201 priority 4096
username lgl secret 5 $1$Dcy8$BB9OkbojT9pFUA6ehLxmW.
!
interface FastEthernet0/0
!
interface FastEthernet0/1
description link_to sw1_f0/1
switchport access vlan 200
!
interface FastEthernet0/2
!
interface FastEthernet0/3
description link_to sw3_f0/3
switchport mode trunk
shutdown
!
interface FastEthernet0/4
description link_to sw4_f0/1
switchport trunk allowed vlan 1,10,20,30,40,200,201,1002-1005
switchport mode trunk
!
interface FastEthernet0/5
description link_to sw5_f0/5
switchport trunk allowed vlan 1-9,11-19,21-1005
switchport mode trunk
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface Vlan1
no ip address
interface Vlan10
ip address 192.168.10.1 255.255.255.0
standby 1 ip 192.168.10.254
standby 1 priority 255
standby 1 preempt
!
interface Vlan20
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