On Thu, 2009-04-30 at 18:09 +0300, Sergey A. Kobzar wrote:
> Hello.
> 
> I have Gentoo server Linux 2.6.27-gentoo-r8 x86_64 connected to
> LinkSys switch. It has 2 NICs onboard:
> 
> eth0      Link encap:Ethernet  HWaddr 00:15:17:1a:6e:6c
> eth1      Link encap:Ethernet  HWaddr 00:15:17:1a:6e:6d
> 
> 2nd NIC is connected to LinkSys switch, but the switch shows that
> device connected to the port has other MAC address:
> 
> VLAN ID   VLAN 3
> MAC       00:15:17:1a:6e:6f
> Port      g31
> 
> The difference in last symbol.
> 
> How is it possible?

I suggest, to first check which device/OS is telling the truth. Use
wireshark to capture and review some traffic. Maybe this helps analyse
the situation.

Bye,
Daniel

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