From: Brian Hescock (bhescock@xxxxxxxxx)
Date: Tue Aug 01 2000 - 14:22:22 GMT-3
You can do overlapping ip addresses at each location by using NAT. It's
somewhat confusing but works. Just check CCO on NAT and overlapping ip
address.
Brian
On Mon, 31 Jul 2000, Simcha Blatter wrote:
> Here's a Cisco position on my question that I located on Cisco's TAC Guide.
>
> Thanks,
> Simcha
>
>
> -----Original Message-----
> From: Simcha Blatter [mailto:SBlatter@isgny.com]
> Sent: Friday, July 28, 2000 1:32 PM
> To: ccielab@groupstudy.com
> Cc: Leo Galletta; Stephen Drgon
> Subject: GRE Tunneling & Bridging
>
>
> Is it possible to connect 2 locations via the Internet and have both
> locations share the same subnet ?
>
> I know that this is theoretically possible by using a GRE Tunnel between the
> 2 routers at each location AND by
> activating IRB on the routers.
> (Each router will have a minimum of 3 interfaces - subnet, dmz, & Tunnel;
> subnet & dmz interfaces
> will route IP - subnet & Tunnel will bridge IP).
>
> Can this work in the real world and has anybody done this before ?
>
> The reason the 2 locations need have the same subnet is that Unix Hosts at
> each location need to be configured
> in a cluster group on the same subnet for disaster recovery purposes.
>
>
> Thanks,
> Simcha
>
> Simcha Blatter, Systems Architect - CCDP, CCNP, MCSE, MCNE - CCIE in
> progress
> Dimension Data ISG
> simcha.blatter@didata.com
>
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