Yep, that's the idea anyway.  As long as line protocol is down all
routes pointing to that interface will be removed from the routing
table.

John

>>> "Steven A Ridder"  2/28/02 2:10:00 PM
>>>
So if line is up and protocol is down, then if I remember correctly
the
router will think the link is useless, right?  Then it will choose a
different router (such as a floating static route) or ISDN if that's
where
the routing table points it, right?

--
RFC 1149 Compliant

""John Neiberger""  wrote in message
news:[EMAIL PROTECTED].;
> I don't have anything to check this with at the moment, but IIRC,
you'll
> know the status of the interface by the serial indicators.  If the
link
> is really down but the CSU/DSU is up then you'll see DTR=up but
> CTS=down.
>
> I'm not about to test this at work, though.  :-)
>
> John
>
> >>> "Steven A Ridder"  2/28/02 1:33:41 PM
> >>>
> I'm almost 100% sure in my head, but I need to make sure of this.  I
> don't
> have any CSU's to test this on.
>
> If I have a router that connects to an external CSU/DSU and the far
> side of
> the CSU goes down (the side that connect to a smartjack or even
> further
> upstream), the router will know the link is down because it isn't
> receiving
> any keepalives from it's gateway, right?  The voltage along the
local
> V.35
> cable won't keep the router up right?
>
> --
> RFC 1149 Compliant




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