Date: Mon, 15 Oct 2001 21:02:57 -0700 (PDT) From: Archie Cobbs <archie@dellroad.org> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-net@FreeBSD.ORG Subject: Re: strange results with increased net.inet.ip.intr_queue_maxlen (solved) Message-ID: <200110160402.f9G42v634057@arch20m.dellroad.org> In-Reply-To: <5.1.0.14.0.20011015234704.02bd7980@192.168.0.12> "from Mike Tancsa at Oct 15, 2001 11:52:32 pm"
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Mike Tancsa writes: > At 08:44 PM 10/15/2001 -0700, Archie Cobbs wrote: > >This makes sense.. and that's is exactly what queues are for: > >absorbing bursts. If you have big bursts then you'll need big > >queues.. in general this is the only reason to have them. > > The only mystery I didnt solve in the end was what was generating the > bursts. The only commonality is that > > The machines in question are all running bgpd and zebra with a full view in > the kernel. > > The bursts would happen once every 10min. But I am not aware of any timers > that would run at that long an interval. I think I will ask over on the > zebra list to see if this interval rings a bell with anyone. Could possibly be ARP related, if something is caching packets while an ARP entry is being resolved. For a semi-related issue, see PR #25517: http://www.freebsd.org/cgi/query-pr.cgi?pr=25517 -Archie __________________________________________________________________________ Archie Cobbs * Packet Design * http://www.packetdesign.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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