You'll need BGP, which is work in itself. You might also have to use a
tool which manages DNS for you - Cisco Local Director, Alteon makes
something, several others as well. Basically the tool acts as the SOA for
your DNS, then responds to queries with the address of a live and
reachable sytem. Of course you have to turn off caching on your external
namespace.

HTH
-- 
Jack Coates, Rainfinity SE
t: 650-962-5301 m: 650-280-4376


On Wed, 12 Jul 2000 [EMAIL PROTECTED] wrote:

> 
> hi, everyone, we need to implement this setup here but don't have to do it can
> someone please help.  Thank you.
> 
> 
>      ISP-One            ISP-Two
>           |              |
>           |              |
>           |                   |
>           |                   |
>           |              |
>      HA FW                  HA FW
>           |              |
>        VPN--  |          VPN --   |
>           |              |
> 
>      SiteONE --E1 link---  SiteTwo
> 
> 
> Two different site which are doing loading sharing, and fail over when one site
> is down. Each of the side has a HA firewall, and are running CheckPoing VPN
> gateway,
> We are wonder how to configure it in such a way that when one link to the ISP is
> down then how can ours VPN client still access our internal server thru the
> other ISP link??
> anyone can help.  Thank you.
> 
> 
> Chiam
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
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