Re: Cisco 877 with Demon Broadband - Help

On 29 Mar, 23:06, "Colin Heseltine" <c...@xxxxxxxx> wrote:
I am trying toget a Cisco 877 router working on my Demon B'band connection.
The Broadband works when I use a BT Voyager 220V so I know the service
itself is OK. The configuration on the router works quite happily when
attached to a standard BT B'band connection at another site.

The ATM0 link comes up and then drops a few moments later. The CD led lights
up followed by a limited amount of activity on both RXD and TXD leds and
then the whole cycle appears to repeat itself,

I am not au fait with debugging as ar as the adsl link goes.
interface ATM0
no ip address
no atm ilmi-keepalive
pvc 0/38
encapsulation aal5mux ppp dialer
dialer pool-member 1
dsl operating-mode auto

On 877 I have seen various DSL issues (but not
your one). Worth trying

int atm 0
dsl operating-mode {all possibilities one by one}
! There are only a few:-)

Worth an IOS software upgrade too if you have
support.

Otherwise you may consider:-
DSL firmware can be downloaded from
ftp://ftp.cisco.com/pub/access/800/
Don't worry too much where it says
the firmware release only supports
a particular IOS - give it a try anyway.

.