From: "Jeff Buehler" <jeff at buehlertech dot com>
> Robo.K. wrote:

>> Hi, can anybody help me what does mean this in LOGS of MONO:
>> Thank you. Bop.

>> Apr 6 20:07:32 last message repeated 2 times Apr 6 20:06:56 /kernel: arp: 
>> 192.168.202.220 is on xl0 but got reply from
>> 00:04:e2:cb:08:ae on ep0

> Normally, when I have seen that, it is because the LAN and WAN are mixed 
> up.  If you have more than two cards then it might be some other mis 
> assignment.  So xl0 is saying that it is at 192.168.202.220 (a LAN 
> address) but some sort of LAN reply is being received at ep0.

Or when some idiot plugs a cable from the switch in front of the firewall 
into the switch behind the firewall.  "It was unplugged, so I plugged it 
in."  You would be surprised how often this happens.

                        Lee