Como lo prometido es deuda aqui os dejo la configuración que hay que meterle a un cisco 877 para que funcione con la conexión de fibra de telefonica.
Tener en cuenta que el router de Movistar ha de ir conectado a la Fast Etherner 1
Espero que os sea de ayuda
Current configuration : 7732 bytes
!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname CISCOBcn
!
boot-start-marker
boot system flash:c870-advipservicesk9-mz.124-24.T.bin
boot-end-marker
!
logging message-counter syslog
enable password 7 02456480E545J711F
!
aaa new-model
!
!
!
!
aaa session-id common
clock timezone ES 1
clock summer-time ES recurring
!
!
dot11 syslog
ip source-route
!
!
!
ip cef
ip domain name dominio.dom
ip name-server 8.8.8.8
ip name-server 8.8.4.4
!
multilink bundle-name authenticated
!!
!
!archive
log config
hidekeys
!
!
ip ssh version 1
!
!
!
!
!
bridge irb
!
!
interface Loopback1
no ip address
!
!
!
!
interface ATM0
!
!
interface FastEthernet0
switchport mode trunk
!
interface FastEthernet1
description en este puerto conectamos el router de fibra
switchport access vlan 6
switchport mode trunk
!
interface FastEthernet2!
interface FastEthernet3!
interface Virtual-Template1
!
interface Vlan1
ip address 192.168.1.10 255.255.255.0
ip flow ingress
ip nat inside
ip virtual-reassembly!
interface Vlan3
!
interface Vlan6
description vlan que usa la fibra de telefonica
no ip address
ip nat outside
ip virtual-reassembly
no ip route-cache cef
no ip route-cache
pppoe enable group global
pppoe-client dial-pool-number 3
!
!
interface Dialer3
ip address negotiated
ip nat outside
ip virtual-reassembly
encapsulation ppp
dialer pool 3
dialer-group 3
no cdp enable
ppp authentication chap pap callin
ppp chap hostname adslppp@telefonicanetpa
ppp chap password 7 01120217571B161F
ppp pap sent-username adslppp@telefonicanetpa password 7 094D4A1A15150702
!
!ip forward-protocol nd
!
!
ip dns server
ip nat translation timeout 18000
ip nat translation dns-timeout 300
ip nat inside source list 10 interface Vlan3 overload
!
logging trap debugging
logging 192.168.1.2
access-list 10 permit 192.168.1.0
access-list 140 permit ……
!
!
!
!!
control-plane
!
!
line con 0
no modem enable
line aux 0
line vty 0 4
privilege level 15
transport input ssh
!
scheduler max-task-time 5000
ntp server 217.130.246.182
end

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