本例主要涉及HSRP協(xié)議培植,使用HSRP可使用網(wǎng)絡(luò)提供更好的訪問性能,并使網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)對主機(jī)來說是透明的 ?;顒?dòng)路由器受HSRP中培植的備份路由器的監(jiān)控,一旦活動(dòng)路由器失去作用,備份路由器取代它從而變?yōu)榛顒?dòng)路由器 。
Helper address 通過發(fā)送廣播到目標(biāo)服務(wù)器使連接變得更輕易 。
本例里:helper address 是一個(gè)DHCP 地址 。
本例也包括對IP多播,DVMRP通道,和PIM的配置 。
version 12.0
service slave-coredump
no service pad
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service passWord-encryption
service dup-small-servers
service tcp-small-servers
!
hostname Ceneter_8540
!
aaa new-model
aaa authentication login admin tacacs enable
enable password 7 105D100A0618
!
no ip rcmd domain-lookup
ip rcmd rcp-enable
ip rcmd rsh-enable
ip rcmd remote-host root 172.19.1.162 root enable
ip rcmd remote-host root 172.19.2.81 root enable
ip rcmd remote-host root 172.19.6.66 root enable
ip rcmd remote-host root 172.19.43.19 root enable
ip rcmd remote-username root
ip domain-name a.com
ip name-server 12.19.2.132
ip name-server 198.22.30.32
ip multicast-routing
ip dvmrp route-limit 7000
clock timezone PST -8
clock summer-time PDT recurring
!
INTERACE FastEthernet1/0/0
ip address 172.19.95.197 255.255.255.192
no ip directed-broadcast
no keepalive
!
interface FastEthernet1/0/1
description Bldg 1 Network A
ip address 172.19.93.1 255.255.255.192
ip helper-address 172.19.2.74
ip helper-address 172.19.2.123
ip helper-address 172.19.30.31
ip helper-address 172.19.2.121
ip helper-address 172.27.84.140
ip helper-address 172.19.67.35
no ip redirects
no ip directed-broadcast
ip pim sparse-mode
ntp broadcast key 10
standby priority 200
standby preempt
standby ip 172.19.93.6
!
interface FastEthernet1/0/2
ip address 172.19.90.1 255.255.255.192
ip helper-address 172.19.2.74
ip helper-address 172.19.2.123
ip helper-address 172.19.30.31
ip helper-address 172.19.2.121
ip helper-address 172.27.84.140
ip helper-address 172.19.67.35
no ip redirects
no ip directed-broadcast
ip pim sparse-mode
ntp broadcast key 10
standby priority 200
standby preempt
standby ip 172.19.90.6
standby track FastEthernet1/0/3 150
!
interface FastEthernet1/0/3
ip address 172.19.91.1 255.255.255.192
ip helper-address 172.19.2.74
ip helper-address 172.19.2.123
ip helper-address 172.19.30.31
ip helper-address 172.19.2.121
ip helper-address 172.27.84.140
ip helper-address 172.19.67.35
no ip redirects
no ip directed-broadcast
ip pim sparse-mode
ntp broadcast key 10
standby priority 200
standby preempt
standby ip 172.19.91.6
!
interface FastEthernet1/0/4
description Building 2 Network A
ip address 172.19.90.1 255.255.255.192
ip helper-address 172.19.2.74
ip helper-address 172.19.2.123
ip helper-address 172.19.30.31
ip helper-address 172.19.2.121
ip helper-address 172.27.84.140
ip helper-address 172.19.67.35
no ip redirects
no ip directed-broadcast
ip pim sparse-mode
ntp broadcast key 10
standby priority 200
standby preempt
standby ip 172.19.88.6
!
interface FastEthernet1/0/4
description Building 3 Network A
ip address 172.19.90.1 255.255.255.192
ip helper-address 172.19.2.74
ip helper-address 172.19.2.123
ip helper-address 172.19.30.31
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