[c-nsp] ISDN backup for multiple Internet customers

[Oliver Boehmer (oboehmer)]

Vincent De Keyzer <> wrote on Friday, August 25, 2006 5:05 PM:

> we are a small ISP.  We currently have a ISDN access router that is
> used by one customer only. It works with dialer-watch on the CPE: if
> OSPF adjacency goes down on the CPE, the CPE dials and forms an
> adjacency with the access router over the ISDN link.
> 
> Now a second customer wants the same service. I would like to use the
> same ISDN access router for both customers. Can somebody please point
> me to a document describing how to do this?

user dialer profiles

interface BRIx/y (or Serialx/y:15 if you're using PRI)
 encaps ppp
 ppp authen chap pap
 dialer pool-member 1
 ...
!
int dialer1
 ip address/unnumbered ..
 encaps ppp
 dialer remote-name Customer1
 dialer pool 1
 dialer-group 1
 ppp authen chap pap
 ...
!
int dialer2
 ip address/unnumbered ..
 encaps ppp
 dialer remote-name Customer2
 dialer pool 1
 dialer-group 1
 ppp authen chap pap
 ...

up to 256 dialer profiles..

	oli