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Thanks in advance for guidelines on using pf with carp and pfsync boxes
that bridge rather than route.

I found this guide:

http://www.seattlecentral.edu/~dmartin/docs/bridge.html

but it says carp doesn't work with bridging and to use spanning tree
instead. That was on OBSD 3.5 and I don't see anything about bridging in
more recent manpages for carp. Has anything changed?

As for why I'm bridging: I have an application that NAT breaks.
Currently I have another pair of pf boxes running carp/pfsync and
routing to NAT'd space. That works fine but the new application requires
routable addresses (I've tried rdr to the NAT'd addresses, but no joy).

So, instead I plan to set things up like this:

Net <-> 2 pf bridges <-> new app <-> 2 pf routers <-> NAT space

There's no redundancy in the net connection, just one IP from the ISP.

Thanks again for any clues on setting this up.

dn
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