FreeBSD Gateway, Crossover

Matthew Seaman m.seaman at
Sun Dec 4 19:22:20 UTC 2011

On 04/12/2011 18:43, Matthias Apitz wrote:
>> I'd like to have the internal network be on I have 2x
>> > 2-port NICs in the freebsd box.
>> > 
>> > em0 - Internet -
>> > em1 - System1 -
>> > em2 - System2 -

> if you connect the two other boxes directly to the NICs of FreeBSD you
> must use crossover cables and should assign to each connection a
> separate network; or you connect all three boxes via a HUB or switch in
> only one network;

Or create a bridge spanning em1 and em2 -- this will make your FreeBSD
box act pretty much like a network switch for the two client machines.

You can get away with standard cables if all the NICs involved support
auto-MDIX.  em(4) should, but it depends on your other kit.



Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                  Flat 3
PGP:     Ramsgate
JID: matthew at               Kent, CT11 9PW

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