I have a client who has some legacy gear at a remote site that needs to
talk to other gear back at their main office. Trick is, that the gear is
legacy enough that it has no concept of a default gateway, so all of the
legacy pieces need to be or functionally appear to be in the same subnet.
The traffic between the sites needs to be encrypted, but since some of the
IP space on both ends would appear to be on te same subnet, getting IPSEC
to work would be problematic.
If I had routers at both locations, I could probably do this with an
L2TPv3 pseudowire, but there's a PIX involved, and I don't think it knows
L2TPv3 well enough to be able to let me pass a pseudowire through...
MPLS would be nice too, but that's not an option in this design.
Has anyone here tackled something like this before?
jms
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