访问服务器设置如下: Router: hostname Router enable secret 5 $1$EFqU$tYLJLrynNUKzE4bx6fmH// ! interface Ethernet0 ip address 10.111.4.20 255.255.255.0 ! interface Async1 ip unnumbered Ethernet0 encapsulation ppp keepalive 10 async mode interactive peer default ip address pool Cisco2511-Group-142 ! ip local pool Cisco2511-Group-142 10.111.4.21 10.111.4.36 ! line con 0 exec-timeout 0 0 password cisco ! line 1 16 modem InOut modem autoconfigure discovery flowcontrol hardware ! line aux 0 transport input all line vty 0 4 password cisco ! end
以下是相关命令: 任务 命令 指定主线路改变后,次线路状态发生改变的延迟时间 backup delay {enable-delay never} {disable-delay never} 指定一个接口作为备份接口 backup interface type number
hostname c2522rb ! enable secret 5 $1$J5vn$ceYDe2FwPhrZi6qsIIz6g0 enable password cisco ! username c4700 password 0 cisco ip subnet-zero chat-script cisco-default "" "AT" TIMEOUT 30 OK "ATDT /T" TIMEOUT 30 CONNECT /c chat-script reset atz ! interface Ethernet0 ip address 16.122.51.254 255.255.255.0 no ip mroute-cache ! interface Serial0 backup delay 10 10 backup interface Serial2 ip address 16.250.123.18 255.255.255.252 no ip mroute-cache no fair-queue ! interface Serial1 no ip address no ip mroute-cache shutdown ! interface Serial2 physical-layer async ip address 16.249.123.18 255.255.255.252 encapsulation ppp async mode dedicated dialer in-band dialer idle-timeout 60 dialer map ip 16.249.123.17 name c4700 6825179 dialer-group 1 ppp authentication chap ! interface Serial3 no ip address shutdown no cdp enable ! interface Serial4 no ip address shutdown no cdp enable ! interface Serial5 no ip address no ip mroute-cache shutdown ! interface Serial6 no ip address no ip mroute-cache shutdown ! interface Serial7 no ip address no ip mroute-cache shutdown ! interface Serial8 no ip address no ip mroute-cache shutdown ! interface Serial9 no ip address no ip mroute-cache shutdown ! interface BRI0 no ip address no ip mroute-cache shutdown ! router eigrp 200 network 16.0.0.0 ! ip classless ! dialer-list 1 protocol ip permit ! line con 0 line 2 script dialer cisco-default script reset reset modem InOut modem autoconfigure discovery rxspeed 38400 txspeed 38400 flowcontrol hardware line aux 0 line vty 0 4 password cisco login ! end