service timestamps debug uptime service timestamps log uptime service passWord-encryption no service tcp-small-servers no service udp-small-servers ! hostname <您路由器的名称> ! enable password <进入特权模式的口令> ! no ip name-server ! isdn switch-type basic-net3 ! ip subnet-zero no ip domain-lookup ip routing ! interface Dialer 1 description connected to Internet ip address negotiated ip nat outside no ip split-horizon encapsulation ppp dialer in-band dialer idle-timeout <无数据传输时断线的时间,单位:秒> dialer string 2631 dialer hold-queue 10 dialer-group 1 ppp authentication chap pap callin ppp chap hostname 263 ppp chap password 263 ppp pap sent-username 263 password 263 ppp multilink no cdp enable ! interface Ethernet 0 no shutdown description connected to EthernetLAN ip address <以太网口IP地址及子网掩码> ip nat inside keepalive 10 ! interface BRI 0 no shutdown description connected to Internet no ip address ip nat outside dialer rotary-group 1 ! ! access Control List 1 ! no access-list 1 access-list 1 permit <内网网段地址及子网掩码反码> ! ! Dialer Control List 1 ! no dialer-list 1 dialer-list 1 PRotocol ip permit ! ! Dynamic NAT ! ip nat translation timeout 86400 ip nat translation tcp-timeout 86400 ip nat translation udp-timeout 300 ip nat translation dns-timeout 60 ip nat translation finrst-timeout 60 ip nat inside source list 1 interface Dialer 1 overload ! router rip version 2 network <内网网段地址> passive-interface Dialer 1 no auto-summary ! ! ip classless ! ! IP Static Routes ip route 0.0.0.0 0.0.0.0 Dialer 1 no ip http server snmp-server community public RO no snmp-server location no snmp-server contact ! line console 0 exec-timeout 0 0 password <从控制台端口登录进用户模式所需口令> login ! line vty 0 4 password login ! end