Thursday, April 30, 2009, 10:48:06 PM, Sergey wrote: > Thursday, April 30, 2009, 10:34:28 PM, Daniel wrote:
>> 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. > I've started this thread because connection to the server is unstable > and I see such reports from other servers: > +arp: 10.11.1.203 moved from 00:15:17:1a:6e:6f to 00:15:17:1a:6e:6d on em1 > +arp: 10.11.1.203 moved from 00:15:17:1a:6e:6d to 00:15:17:1a:6e:6f on em1 > +arp: 10.11.1.203 moved from 00:15:17:1a:6e:6f to 00:15:17:1a:6e:6d on em1 > +arp: 10.11.1.203 moved from 00:15:17:1a:6e:6d to 00:15:17:1a:6e:6f on em1 > +arp: 10.11.1.203 moved from 00:15:17:1a:6e:6f to 00:15:17:1a:6e:6d on em1 > BIOS tells that NIC1 has 00:15:17:1a:6e:6c MAC and NIC2 has > 00:15:17:1a:6e:6d. It's strange that 00:15:17:1a:6e:6d MAC is common > for both NICs. I think this happens because Intel NIC Teaming is enabled for the NIC. Is it possible check this using Linux and disable teaming if needed? -- Sergey
