[nsp] Strange request

[Bezverkhi, Serguei]

Depending on your switching environment you could, create one VLAN for
192.168.2.0/24 and second VLAN at site A for network 192.168.0.0/24.
Your switch should support trunking, so you trunk these two VLAN to your
Site A router. On Site A router you configure tunnel to Site C router
and you bridge VLAN 2 with this tunnel. On Site C router you terminate
this tunnel and again bridge this tunnel with Site C LAN segment. 

Router A will be routing for VLAN 1 and bridging for VLAN 2.

I think it should work. If you need help, let me know it would be fun to
make it working.

Best regards

Serguei

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Aaron Howell
Sent: January 20, 2004 11:31 AM
To: cisco-nsp at puck.nether.net
Subject: [nsp] Strange request

Hi everybody, hope this finds you well. We've got a client who has a
question I can't answer, I was hoping maybe somebody out there could
point me to some docs or something. Here's their layout:

    Site A <----T1----> Site B <----T1----> Site C
192.168.0.x/24	    192.168.0.x/24	192.168.0.x/24

Currently they have three locations, connected by two T1s, which are
bridged. There is a host at Site A. 192.168.0.97, which needs to be
reachable from all three locations. Here's where the problem starts.
They would like to move to routers from the bridges, BUT they can't go
around and change the IP of the host previously mentioned. Another
diagram will help me explain:

    Site A <----T1----> Site B <----T1----> Site C
192.168.2.x/24	    192.168.1.x/24	192.168.0.x/24

Note that Site A is now in 192.168.2.x, but the host 192.168.0.97 will
remain there. For reasons far too complicated to get into here, they
cannot change the IP on this host, and they seem unwilling to change the
addressing they've already worked out, (I suggested swapping Site A and
Site C's IP space, but they are unwilling to do so). I'm drawing a blank
on how they could accomplish what they want to do within the constraints
of the design they've come up with, so if anyone has any ideas I would
be most grateful.
Thanks,
Aaron Howell
--
Network/System Adminstrator
Amerion, LLC


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