If your dlsw peers point to an physical interface that
goes away --> dlsw peers will go away . This is the
main reason to work with loopbacks .

DLSw only requires that the peers are reachable .
For the backup , all routing stuff should be inplace
before 3 DLSw keep-alives . ( 90 seconds )
How you handle that has nothing to do with DLSw .
Floating statics are certainly an option .


flem


--- Andrew Larkins <[EMAIL PROTECTED]> wrote:
> just make sure that the DLSw referneces the loopback
> addresses and that you
> are using something like eigrp. Put a default router
> to the other side BRI
> with a higher admin distance - such as 200 for
> example. It will work.. I
> have it working here
>  
> Regards
>  
> Andrew
> 
> -----Original Message-----
> From: emirates [mailto:[EMAIL PROTECTED]]
> Sent: 07 September 2000 13:43
> To: [EMAIL PROTECTED]
> Subject: dlsw + ISDN backup
> 
> 
> Hi Guys,
>  
> Small issue regarding DLSW, I want to enable it on
> two router using Cisco
> 3640 on serial and use ISDN as a backup. Is there
> any special configuration
> required to use isdn backup for dlsw? 
> I would really appreciate if anyone send me sample
> configuration if its
> doable?
>  
> Best Regards
> AA
>  
>  
> 
> 


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