From: Bob Dixon (bobdixon@xxxxxxxxxxxx)
Date: Sat Apr 14 2001 - 04:01:20 GMT-3
Maybe a stupid question, but are you sure that your physical wiring is in
place as it should be? In other words, maybe routerA's serial0 is cabled to
a live circuit terminating on an unknown device that is exchanging
keepalives as it should. This would mean serial0 on routerA shows up/up. Of
course, it is highly unlikely that you could ping across the wan link in
this scenario. routerB's serial 0 could be cabled to a cicuit that is open
on the other end. That means serial 0 on routerB shows up/down. Just a
thought.
>From a perspective that may sound more like PC troubleshooting than router
troubleshooting, you could try powering down the router that shows up/down,
re-seat the WIC card, and then boot the router. I just turned up some t1's
and t3's the other day. We had a weird problem where the t1 wic showed
up/down (keepalive was set) and the ILEC could not loop the built-in csu on
the WIC. After re-seating the WIC, the ILEC could latch the WIC and after
dropping the loop, the circuit came up/up and ran clean.
Bob
----- Original Message -----
From: Prashanth <prashanthcm@yahoo.com>
To: Curtis Call <curtiscall@home.com>; <ccielab@groupstudy.com>
Sent: Saturday, April 14, 2001 2:26 AM
Subject: RE: Point to Point Serial link
> possible to send us the config?
>
>
> --- Curtis Call <curtiscall@home.com> wrote:
> > It might be that one side is expecting keepalives
> > and the other is not
> > expecting nor sending them.
> >
> >
> > >-----Original Message-----
> > >From: Eric Hauptman [mailto:ehauptma@home.com]
> > >Sent: Friday, April 13, 2001 2:25 AM
> > >To: Groupstudy
> > >Subject: OT: Point to Point Serial link
> > >
> > >
> > >I have a production network where one side of a
> > point to point serial
> > >link is showing up/down and the other side is
> > showing up/up. I thought
> > >that if one side went down they would both go down.
> > I know on frame
> > >relay one can be up/up and the other down, but I
> > thought on a point to
> > >point this would not be the case. Am I missing
> > something basic here? I
> > >am running the T1s into 2610 routers with built in
> > WIC-T1-CSUs.
> > >
> > >Thanks.
> > >
> > >Eric
> >
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