Hi all,
I'm running PFSense 1.0.1 with three interfaces: WAN, LAN and then OPT1
acting as a bridged interface with the WAN. Our DSL provider gives us a
/29 on the LAN port of their router and I use the first available IP for
the PFSense WAN IP (which is also used for NAT on the LAN) and the
remainder of the /29 bridges to OPT1.
On the boxes connected to the bridge interface I periodically get the
following messages in the logs:
Jan 30 23:45:54 devel2 /kernel: arp: 74.x.x.26 moved from
00:50:ba:52:00:95 to 00:b0:d0:b6:94:3d on fxp0
Jan 30 23:47:21 devel2 /kernel: arp: 74.x.x.26 moved from
00:b0:d0:b6:94:3d to 00:50:ba:52:00:95 on fxp0
Jan 31 00:05:48 devel2 /kernel: arp: 74.x.x.26 moved from
00:50:ba:52:00:95 to 00:b0:d0:b6:94:3d on fxp0
The two MAC addresses in question are the WAN and OPT1 interfaces. I've
seen some discussion of this on the freebsd-stable list, but no real good
info. WAN is an rl card, OPT1 is an xl if that matters.
Any ideas why the bridged hosts occasionally see the "invisible" MAC
address of the OPT1 interface?
Thanks,
Charles
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