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Thursday, April 30, 2009, 10:34:28 PM, Daniel wrote: |
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> On Thu, 2009-04-30 at 18:09 +0300, Sergey A. Kobzar wrote: |
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>> Hello. |
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>> |
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>> I have Gentoo server Linux 2.6.27-gentoo-r8 x86_64 connected to |
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>> LinkSys switch. It has 2 NICs onboard: |
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>> |
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>> eth0 Link encap:Ethernet HWaddr 00:15:17:1a:6e:6c |
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>> eth1 Link encap:Ethernet HWaddr 00:15:17:1a:6e:6d |
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>> |
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>> 2nd NIC is connected to LinkSys switch, but the switch shows that |
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>> device connected to the port has other MAC address: |
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>> |
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>> VLAN ID VLAN 3 |
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>> MAC 00:15:17:1a:6e:6f |
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>> Port g31 |
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>> |
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>> The difference in last symbol. |
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>> |
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>> How is it possible? |
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> I suggest, to first check which device/OS is telling the truth. Use |
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> wireshark to capture and review some traffic. Maybe this helps analyse |
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> the situation. |
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I've started this thread because connection to the server is unstable |
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and I see such reports from other servers: |
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+arp: 10.11.1.203 moved from 00:15:17:1a:6e:6f to 00:15:17:1a:6e:6d on em1 |
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+arp: 10.11.1.203 moved from 00:15:17:1a:6e:6d to 00:15:17:1a:6e:6f on em1 |
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+arp: 10.11.1.203 moved from 00:15:17:1a:6e:6f to 00:15:17:1a:6e:6d on em1 |
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+arp: 10.11.1.203 moved from 00:15:17:1a:6e:6d to 00:15:17:1a:6e:6f on em1 |
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+arp: 10.11.1.203 moved from 00:15:17:1a:6e:6f to 00:15:17:1a:6e:6d on em1 |
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BIOS tells that NIC1 has 00:15:17:1a:6e:6c MAC and NIC2 has |
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00:15:17:1a:6e:6d. It's strange that 00:15:17:1a:6e:6d MAC is common |
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for both NICs. |
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> Bye, |
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> Daniel |
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-- |
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Sergey |
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