Cisco DSL Eircom Config
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