From: anthony ohanusi (ohanusi@xxxxxxxxxxxxxxxxx)
Date: Mon Jul 29 2002 - 06:41:07 GMT-3
Hi ,
Use offset list to set the route recieve from the serial link better than
than of the ISiDN link.
Regards
At 09:36 AM 7/29/2002, Casey, Paul (6822) wrote:
>A question,
>
>I have a 2 routers, connected back to back with serial connection, and
>running eigrp and advertising local routes on both sides. No problems
>far.
>I also have an ISDN line between the 2 routers, and the bandwidth and delay
>on the link is to be set to the same as the serial interface, also EIGRP is
>to be run on the interfaces.... Again no problems.. The route should show up
>with 2 possiberl paths, in the routing table, ..... becuase of the same
>bandwidth and delay.
>
>Now here's where the problem starts,
>EIGRP is not to keep the ISDN up..
>Also when the serial link is active the router should prefer that link over
>the ISDN link...remember bandwidth and delay are set to be the same.
>
>Now the problem here is that if I use passive interface on the isdn link the
>routes are removed from the routing table, over the ISDN link and EIGRP
>doesn't see it as a possible path, and when you pull, out on side of the
>serial link, The router cant route to the other side because passive
>interfaces has stopped the hello's and the neighbor formation.
>
>But I dont see any other way of stopping eigrp from bring up the link...???
>
>I have tried using backup interface, with dialer-watch and not using
>passive-interface bri0 and this works fine.. no problems.. however for
>reading the case seceniro, you are not supposed to put the isdn as a backup
>interface as the router is supposed PERFER the serial link when both links
>are working.
>
>Also I could use an access-list with the dialer-list, and deny eigrp, but
>then no routing info would pass over the isdn link either, as far as I know.
>
>I am confused as how you are expected to maintain the routes over isdn, and
>at the same time stop eigrp from bringing up the link..
>
>
>Any help appreciated
>kind regards.
>
>Paul..
>
>
>
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