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
!
ip subnet-zero
no ip domain-lookup
ip routing
!
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 Serial 0
no shutdown
description connected to Internet
ip address <广域网口IP地址及子网掩码>
ip nat outside
encapsulation hdlc
!
! 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>
!
! 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 pool <外部地址池名称> <外部地址池范围> netmask <外部地址掩码>
ip nat inside source list 1 pool <外部地址池名称> overload
!
router rip
version 2
network <内网网段地址>
passive-interface Serial 0
no auto-summary
!
!
ip classless
!
! IP Static Routes
ip route 0.0.0.0 0.0.0.0 Serial 0
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
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