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380.67, RT-AC3200 - router goes unavailable for a while

Discussion in 'Asuswrt-Merlin' started by Nigel Jones, Aug 13, 2017.

  1. Nigel Jones

    Nigel Jones Regular Contributor

    Joined:
    May 23, 2017
    Messages:
    63
    I'm getting some odd behaviour with my 3200 I've not yet pinned down.

    Last night I was in bed (tired) and tried to play some music on my sonos system. It would play for a while then stop, at times I hit issues with spotify, at times I couldn't even contact the speakers. I went to sleep.

    This morning I noticed intermittent periods - some up to many minutes long, where I could not reach my router (on 10.9.0.1) via ping from a lan (powerline), or wifi (5 Ghz) connection - three different PCs & a phone. Packets were mostly dropped, some arriving with high latency

    After a few minutes things went back to normal and I could login/ssh in & see the router stayed up, and the only events in the system log were sadly hidden with reports like:
    Aug 13 10:13:47 kernel: net_ratelimit: 550 callbacks suppressed
    Aug 13 10:13:52 kernel: net_ratelimit: 430 callbacks suppressed
    Aug 13 10:14:03 kernel: net_ratelimit: 517 callbacks suppressed

    I'm slightly suspicious that a few weeks ago I put the "FreshJR" script in place, but this should only be modifying the tagging of packets. I of course am using the latest merlin and have QOS on.

    My upstream router (cable, virgin media) seems clean & no recent errors (and in any case this wouldn't affect local traffic/reaching router)

    I'm inclined to try the latest alpha anyway - though I can't see anything that might affect this area. If that doesn't work I might disable first FreshJR, then QOS.
     

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