Exemplo de configuração do roteador cisco para conexão PPP com a Internet. Configuração válida para qualquer operadora de telefonia do Brasil.
Configuração:
! version 12.0 service timestamps debug uptime service timestamps log uptime service password-encryption ! hostname router ! enable secret xxxxxxxxxxxxxxxxxxxxxxxxxxx enable password xxxxxxxx ! ip subnet-zero ! interface Ethernet0 ip address 200.168.218.1 255.255.255.224 no ip directed-broadcast ! interface Serial0 ip address 200.148.147.238 255.255.255.252 no ip directed-broadcast encapsulation ppp ! ip classless ip route 0.0.0.0 0.0.0.0 200.148.147.237 ! access-list 1300 permit 200.168.218.2 snmp-server community public RO 1300 ! line con 0 transport input none line vty 0 4 password xxxxxxxx login ! end