[Mageia-discuss] Odd entry in log file

Thu May 10 17:46:51 CEST 2012

Op donderdag 10 mei 2012 12:52:05 schreef Frank Griffin:
+> On 05/09/2012 09:54 PM, imnotpc wrote:
+> > I did install and run tcpdump then I realized that the answer was
+> > under my nose the whole time. The kernel log message gives the MAC
+> > address of the sending and receiving interface. After all this
+> > discussion, effort, and advice,  all I really needed to do was find
+> > the device with the sending MAC address. Which, as we suspected, was
+> > the wireless router. I still don't know why it doesn't NAT those
+> > particular packets, but in the big picture it doesn't really matter
+> > since they go nowhere.
+> 
+> I'm not so sure.  If you're correct in saying that the wrouter is
+> NATing, then the packets it sends out would have its IP address and MAC
+> no matter which wireless system they came from.  Also, if you're getting
+> thousands of them per day, I wonder if this is *all* of your wireless
+> traffic.
+> 
+> In your TCPDUMP, do you see any traffic at all to and from
+> 192.168.0.100, the IP you think the wrouter is using ?  If not, then
+> it's possible the wrouter isn't using it at all.
+> 
+> Check the wrouter config and see if 192.168.3.2 has any significance.
+> Is it the router itself ?  The DNS server ?  Or is it one of the
+> DHCP-assigned addresses ?  If so, what system has it ?
+
+i'll also note that some routers will nat only the local network. ie: if 
+you're statically using an ip outside of subnet it'll likely pass towards the 
+rest of the network unnatted... thought the MAC address will always be the one 
+from the wifi. this is due to layer2 structure.
+