I can't imagine he is rebooting once a week, though if he was I would
lean more towards Bryan on this.
Only time I have seen macs flipping like this so often is when your have
bonded your nics. Are you doing a load balance or active/passive setup
on your nics?
Bryan wrote:
Assuming this is RHEL or equivalent, do you have a HWADDR line
assigned to each interface in network config? Otherwise, the physical
nics can show up in different order depending on how they're
enumerated on boot.
On Wed, Sep 2, 2009 at 6:43 PM, John Oliver <[email protected]
<mailto:[email protected]>> wrote:
I have a 2950 with an IP address configured on each NIC. A few weeks
ago, the network folks started asking why my primary IP was showing up
on different MAC addresses.
Registered Macaddress = 0019.b9ca.5b46
mac address(es) this week: 0019.b9ca.5b44
0019.b9ca.5b46
mac addresses during week 1: 0019.b9ca.5b44
0019.b9ca.5b46
mac addresses during week 2: 0019.b9ca.5b44
0019.b9ca.5b46
mac addresses during week 3: 0019.b9ca.5b44
0019.b9ca.5b46
mac addresses during week 4: 0019.b9ca.5b44
0019.b9ca.5b46
mac addresses during week 5: 0019.b9ca.5b44
mac addresses during week 6: 0019.b9ca.5b44
mac addresses during week 7: 0019.b9ca.5b44
mac addresses during week 8: 0019.b9ca.5b44
mac addresses during week 9: 0019.b9ca.5b44
eth0: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit
133MHz
found at
mem f8000000, IRQ 169, node addr 0019b9ca5b44
eth1: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit
133MHz
found at
mem f4000000, IRQ 169, node addr 0019b9ca5b46
The cables haven't been touched. I see nothing in the logs. My
assumption was, there's something wrong with the switch. They insist
the switch is fine and it's got to be the server.
Has anyone seen this before? It isn't affecting operations, but
they do
get warnings about this, and it's always nice to at least get an
explanation for weird things :-)
--
***********************************************************************
* John Oliver
http://www.john-oliver.net/ *
*
*
***********************************************************************
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