[CentOS] Networking just stopped working
Chan Chung Hang Christopher
christopher.chan at bradbury.edu.hk
Thu Jul 8 14:20:34 UTC 2010
JohnS wrote:
> On Thu, 2010-07-08 at 07:51 -0500, Les Mikesell wrote:
>> I think some bridge or vlan scenarios require promiscuous mode (and the
>> corresponding disabling of hardware acceleration). Maybe the real issue is that
>> something accidentally disabled it and you now only work when tcpdump
>> re-enables it. I'm not sure how this is supposed to be managed atomically when
>> multiple programs may manipulate it and it needs to be propagated across
>> multiple bonded nics, but maybe something went wrong there. At least some
>> things log the change so maybe you can get a hint about when it was turned on
>> and off.
> ---
>
> Check out /proc/net/bonding/bond/YOUR_BOND. Make sure your slave IDs
> are the same as in aggregator ID. If not it will cause the problem your
> having. Bad NIC hardware also it's failing over for a reason as the log
> showed.
>
Okay, I'll take a look tomorrow when I get in to work.
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