I've got something "similar" working. My routing protocol is eigrp, R2 is an
access-server receiving back-up calls (not isdn for me), R4 is the one dialing.
I placed floating static routes on R4 and redistribute them, so that when R1-R3
link goes down and R3 doesn't see routes from R1, it still has routes through
R4 (the floating static routes) and sends traffic to it. R4 then will dial. The
only issue here is to choose the admin distance in the floating.
In this network, I also have BGP redistributed into eigrp so that I chose
the floating routes with 250 distance to make is greater that 170 of my
redistributed routes.
If you need more help, contact me off-line
[EMAIL PROTECTED] wrote:
> Hello,
>
> I've got a config question on HSRP with a backup Wan Link. This is my
> design :
>
> LAN 1
> ____________________________________________
> | |
> _____ _____
> | R1 | | R2 |
> --------- --------
> | |
> Leased Line ISDN Line
> | |
> _____ _____
> | R3 | | R4 |
> --------- --------
> | |
> ____________________________________________
>
> LAN 2
>
> In detail, I want to have the R2-ISDN Line-R4 link backup of the R1-Leased
> Line-R3 link.
>
> But reading the HSRP cisco documentation it seems to me that HSRP could
> just backup the LAN interface. So in my case R2-eth will backup R1-eth and
> R3-eth will backup R4-eth. But How R3 could learn that R1 is down ?
>
> So could someone help me building such config ? (perhaps using some routing
> protocol ? or static routing).
>
> Thanks for your help.
> Christophe.
>
> ___________________________________
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E. Carolina Arias Serna
Consorcio Red Uno
Ingenier�a Datos
Sector Servicios
[EMAIL PROTECTED]
56244400 E4828
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