spoggle wrote:
Greetings,
I'm trying to create a configuration that would bridge interfaces on
different hosts. Each host would have at least two interfaces, one
would be the inter-host connection, the remaining would be the bridged
interfaces, so that a packet appearing on host a's bridged interface
would also appear on host b, c, etc. bridged interfaces and vice
versa.
My equipment to try this is on order, so it's still somewhat of a
brain exercise.
I would like to use if_bridge (for it's STP) and I was thinking of
bridging the local interfaces and then using netgraph (eiface?)
connected to some other plumbing like l2tp to connect the remote
bridges together.
Does this sound feasible? Anyone have any other suggestions on how to
pull this off?
I've also considered hacking if_bridge to allow the configuration of
remote bridges as pseudo ports, but not sure I'll have time.
on machine A you have:
NIC A 1.1.1.1
NIC B 10.0.0.1
on machine B you have:
NIC A 2.2.2.2
NIC B 10.0.0.2
On each machine use a modification of
/usr/share/examples/netgraph/ether.bridge
so that one link of each bridge is set to an ng_ksocket instead of a
real interface.
then send messages to each or the sockets to connect to each other with UDP.
how to do this is in /usr/share/examples/netgraph/udp.tunnel
by combining the two you should create a tunnel between the two bridges
which
should result in a single bridged network.
that should be about all you need.
spoggle
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