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LACP trunk issues

MK

Hey guys,

 

I´ve seen some quite strange behaviour with my 2-node SG330 cluster.

It is connected with a 2x1GBit LACP trunk to my core (HPE 5900AF) and working without any issues for months......until one of the 2 links for whatever reason goes down and then up again.

I still have all interfaces running as LACP manages this fault tolerant. The issue comes when the interface comes up again, it shows "online" from both sides, but suddenly I have packet loss on this LACP trunk of around 20% and response times from 50-300ms.

I only manage to fix this by rebooting the active node of my cluster, with the second node everythings working then.

 

Any idea what I could do there?

Thanks in advance

M.



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  • 0 in reply to BAlfson

    Hi Bob,

     

    so far I have the interfaces on Auto as they successfully negotiate 1000-Full, although I didn´t check if that was still the case when the error is there. Could be a good hint though.

    When I have it the next time I´ll try to figure our if I can "heal" with with fixing the settings.

     

    Thanks for your help,

    Matthias

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