Date: Fri, 27 Jun 2008 22:34:37 -0400 From: mike@sentex.net To: "Bruce M. Simpson" <bms@freebsd.org> Cc: freebsd-net@freebsd.org Subject: Re: Route messages Message-ID: <l68b649csbvpf6l1ud32atuhq80rr3gsvj@4ax.com> In-Reply-To: <4854EBF1.7020708@FreeBSD.org> References: <4852E23E.2040505@gtcomm.net> <4854EBF1.7020708@FreeBSD.org>
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On Sun, 15 Jun 2008 11:16:17 +0100, in sentex.lists.freebsd.net you wrote: >Paul wrote: >> Get these with GRE tunnel on >> FreeBSD 7.0-STABLE FreeBSD 7.0-STABLE #5: Sun May 11 19:00:57 EDT=20 >> 2008 :/usr/obj/usr/src/sys/ROUTER amd64 >> But do not get them with 7.0-RELEASE >> >> Any ideas what changed? :) Wish there was some sort of changelog.. >> # of messages per second seems consistent with packets per second on=20 >> GRE interface.. >> No impact in routing, but definitely impact in cpu usage for all=20 >> processes monitoring the route messages. > >RTM_MISS is actually fairly common when you don't have a default route. > Hi, I am seeing this issue as well on a pair of recently deployed boxes, one running MPD and one acting as an area router in front of it. The MPD box has a default route and only has 400 routes or so. A steady stream of those messages, upwards of 500 per second.=20 got message of size 96 on Fri Jun 27 22:25:42 2008 RTM_MISS: Lookup failed on this address: len 96, pid: 0, seq 0, errno 0, flags:<DONE> locks: inits:=20 sockaddrs: <DST> default got message of size 96 on Fri Jun 27 22:25:42 2008 RTM_MISS: Lookup failed on this address: len 96, pid: 0, seq 0, errno 0, flags:<DONE> locks: inits:=20 sockaddrs: <DST> default Is there a way to try and track down what is generating those messages ? Its eating up a fair bit of cpu with quagga (the zebra process specifically) ---Mike
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