Cisco DSL Eircom Config: Difference between revisions

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==Introduction==
==Introduction==

Revision as of 14:08, 8 December 2009

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Introduction

Recently I bought a secondhand Cisco 800 series router to replace my exisiting DSL router. While attempting to set it up with my eircom Business Broadband package, I ran into issues getting the dialler interface to connect. Searching the web let to some results but none of them were particularly helpful. In the interest of assisting anyone who may find themselves in a similar situation; the relevent configuration settings are listed here.

My router is a Cisco 837 but these configuration settings should be similar for other model series. IOS version installed is 12.4

ATM Interface Config

!
interface ATM0
 no ip address
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip route-cache flow
 no atm ilmi-keepalive
 dsl operating-mode auto
!
interface ATM0.1 point-to-point
 description $ES_WAN$$FW_OUTSIDE$
 no snmp trap link-status
 pvc 8/35 
  pppoe-client dial-pool-number 1
 !
!


Dialler Interface Config

!
interface Dialer0
 description $FW_OUTSIDE$
 ip address negotiated
 ip access-group 101 in
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip mtu 1452
 ip nat outside
 ip inspect DEFAULT100 out
 ip virtual-reassembly
 encapsulation ppp
 ip route-cache flow
 dialer pool 1
 dialer-group 1
 ppp authentication chap callin
 ppp chap hostname eircom
 ppp chap password 7 045919090E254E4F071D54
!

Checking DSL is connected

In addition to the DSL lights on the front of the router, you can check to see if your router is connecting at the correct speed of your broadband package by issuing the following command at the console or by telnet/ssh connection to your router:

sh dsl int atm0

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