So, I am pretty new to all of this, but we use port mirroring from
ethernet switches to record voip calls in our business. We usually have
no issues due to using a physical port on the servers, but we are
migrating to a virtual model.
I am planning on using ebtables to copy all traffic on the mirror port
from the switch to a list of receiving MACs on the network, but I cannto
for the life of me get it right I guess.
I am trying to use dnat.
Server0 -
eth0 - connected to switch mirror port
eth1 - connected to LAN A
eth2 - connected to LAN B (recording LAN)
Server1 -
eth0 - connected to LAN A
eth1 - connected to LAN B
What I am attempting is to dnat all incoming traffic on Server0/eth0 to
the MAC of Server1/eth1
ebtables -t nat -A PREROUTING -i eth0 -j dnat --to-destination
00:22:19:e2:9b:24
ebtables -t broute -A BROUTING -i eth0 -p ipv4 -j redirect
--redirect-target DROP
are the 2 methods I have tried (00:22:19:e2:9b:24) is server1/eth1
Not knowing whether or not bridging is actually required for the
interfaces in question, I have also reconfigured Server0 for bridging on
all of it's interfaces, and attempted both the bridged and physical -i
in the ebtables command line.
Am I obviously overlooking something simple here? Thsi should be the
most basic of basic things for ebtables to do right?
Thanks for any insight!
-Greg
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