From: Yu Kay (kaykkyu@yahoo.com)
Date: Sat May 17 2003 - 01:38:28 GMT-3
Yes,
don't try to combine 'ip ospf demand-circuit" and
"backup' on the same time.
The issue is when the primary link is recovery, the
router with "ip ospf demand-circuit" will detect
another link have lower cost than it. And no more
traffic will pass the ISDN link, after the idle time
it will drop the link.
Kay
--- Tom Young <gitsyoung@yahoo.co.jp> wrote:
> Hi, group
>
> My router's serial interface and bri interface
> are in
> the ospf area. And I set the demand-circult command
> on the
> bri interface, the bri interface's cost is higher
> than
> serial interfaec , so the serial was routed first,
> in this
> environment, I don't need the backup command on
> serial
> interface , right? The bri with backup the serial
> interface, and when the serial interface recovery,
> the bri
> will time-out and go to down, right?
>
> Thanks alot
>
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