[nsp] Strange request

[Bruce Pinsky]

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Aaron Howell wrote:

| 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.


Could be handled with either NAT or via a static route that is redist'd
into your routing protocol.

- --
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bep

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