了解一些关于浮动静态路由配置的知识还是非常有用的，于是我研究了一下静态路由配置主要步骤和配置语句，在这里拿出来和大家分享一下，希望对大家有用。浮动静态路由配置步骤：
1、正确配置主干线路，保证其能正常通信
2、配置主干线路的动态路由
3、正确配置备份线路，保证其能正常通信
4、浮动静态路由配置通过备份线路的静态路由
ip route 目地子网地址 子网掩码 相邻路由器相邻端口地址权值其中，权值数值越高其路由优先权越低权值范围在1-255之间，CISCO 2501-above的浮动静态路由配置：
- Current confignration:!version 11.2no service udp-small-servers
- no service tcp-small-servers
- !
- hostname above
- !
- enable secret 5 $1$O1aq$KxgpIA0Eulqug8SbCm6rd1
- enable password cisco
- !
- username down password 7 095C5E19
- chat-scrip lab ABORT ERROR ABORT BUSY ABORT "NO ANSWER" "" "AT H" OK "ATDT \T" TIMEOUT 60 CONNECT \c
- !
- interface Ethernet0
- ip address 192.192.193.1 255.255.255.0
- !interface Serial0
- iu address 192.192.192.1 255.255.255.0
- bandwidth 64
- clockrate 64000
- !
- interface Serial1
- no ip address
- shutdown
- interface Asyncl
- ip address 166.71.70.1 255.255.255.0
- encapsulation pppasync dynamic address
- async dynamic routing
- async mode dedicated
- dialer in-banddialer ip 166.71.70.2 name down modem-script lab broadcast 3631
- dialer-group 1
- no cdp enableppp authentication chap
- !router rip
- network 192.192.192.0
- network 192.192.193.0
- !
- no ip classless
- ip route 0.0.0.0 0.0.0.0 166.71.70.2 150
- ip route 192.192.191.0 255.255.255.0 166.71.70.2 150
- dialer-list 1 protocol ip permit
- !line con 0
- line aux 0
- modem InOutmodem autoconfigure discoverystopbits 1rxspeed 38400txspeed 38400flowcontrol hardware
- line vty 0 4
- no login
- !
- end
- Cisco 2501-down 的配置Current configuration:
- !
- version 11.2no service udp-small-serversno service tep-small-servers!hostname down!enable secret 5 $1$m8S4
- $InrkhnJDtCVtSvTpXO8v/0enable password cisco
- !
- username above password 7 095C5E19
- chat-script lab ABORT ERROR ABORT BUSY ABORT "NO ANSWER" "" "AT H" OK "ATDT \T" TIMEOUT 60 CONNECT \c
- !
- interface Ethernet0
- ip address 192.192.191.1 255.255.255.0
- !
- interface Serial0
- ip address 192.192.192.3 255.255.255.0
- !
- interface Serial1
- no ip address
- shutdown
- !
- interface Asyncl
- ip address 166.71.70.2 255.255.255.0encapsulation pppasync dynamic addressasync dynamic routingasync mode dedicateddialer in
- -banddialer map ip 166.71.70.1 name above modem-script lab broadcast 3621
- dialer-group 1
- no cdp enable
- ppp authentication chap
- !
- router rip network 192.192.192.0
- network 192.192.191.0
- !
- no ip classless
- ip route 0.0.0.0 0.0.0.0 166.71.70.1 150
- ip route 192.192.193.0 255.255.255.0 166.71.70.1 150
- dialer-list 1 protocol ip permit
- !
- line con 0
- line aux 0
- modem InOutmodem autoconfigure discovery
- stopbits 1
- rxspeed 38400
- txspeed 38400
- flowcontrol hardware
- line vty 0 4
- no login
……