On 06/09/2013 04:59 PM, John Neiberger wrote:
We have several of these throughout our network and we're only seeing this problem in a couple of cases. The rest work just fine. Most of the SBCs are
Obvious question: are you sure those two aren't configured different (wrongly) compared to the others, or running different software?
Reading between the lines it sounds like a different group runs these devices, and in my experience, kit like this with odd network interface capabilities can be misconfigured by staff that don't fully understand networking - and it can be exacerbated by vendors using odd terminology (e.g. "PHY" used in a non-standard way) and confusing people.
Are you sure they haven't just setup these two devices in active-active mode? Or more likely, something that *sounds* like an active-passive mode in the UI, to a non-expert, but is really some kind of weird active-active spatchcock.
Our storage team did this with a couple of NetApps and the symptoms were pretty much identical. It only really brought things crashing down when they started sending 1Gbit/sec of performance testing traffic from them...
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