Date: Thu, 21 Oct 2004 10:45:48 -0600 From: "William D. Colburn (aka Schlake)" <wcolburn@nmt.edu> To: freebsd-net@freebsd.org Subject: Re: 9 second ping lag unless I run tcpdump on RELENG_5 Message-ID: <20041021164548.GA20454@nmt.edu> In-Reply-To: <20041021163601.GA88117@proxy.netroad.ru> References: <20041021145654.GA19657@nmt.edu> <20041021163601.GA88117@proxy.netroad.ru>
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I've been running 5.3 for over a month now. I only noticed this after 5.3-RELEASE came out. It could be the card, I'll try to swap it and see what happens. On Thu, Oct 21, 2004 at 08:36:01PM +0400, Lenar D. Tukhvatullin wrote: >Date: Thu, 21 Oct 2004 20:36:01 +0400 >From: "Lenar D. Tukhvatullin" <blackv@netroad.ru> >To: "William D. Colburn (aka Schlake)" <wcolburn@nmt.edu> >Cc: freebsd-net@freebsd.org >Subject: Re: 9 second ping lag unless I run tcpdump on RELENG_5 > >On Thu, Oct 21, 2004 at 08:56:54AM -0600, William D. Colburn (aka Schlake) wrote: >> I have a RELENG_5 box on my desk. Unless I run the tcpdump program, it >> responds progressively slower on the network. This seemed like the most >> appropriate list to post this question too. >> >> This morning, for instance, it had a 9 second ping response time from a >> machine on the same network segment as it when I came into work. As >> soon as I typed 'tcpdump' on the freebsd box the ping time dropped to >> nearly instantaneous. I killed tcpdump and let it run for a while. >> About a thousand seconds later it suddenly jumped to 1 second, then to 2 >> seconds. As soon as I ran tcpdump again it dropped back to normal. >> >> The uname ids it as 5.3-STABLE #14: Wed Oct 20 10:23:11 UTC 2004, >> with a GENERIC kernel. I did a new cvsup (along with a tcpdump because >> otherwise cvsup fails) this morning and nothing new came across. > >tcpdump (by default) puts interface into promiscuous mode. >(or you can set this mode by hand: ifconfig <interface> promisc) > >Maybe your ethernet card broken? Try to replace it. > >-- >Lenar D. Tukhvatullin >_______________________________________________ >freebsd-net@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-net >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" -- William Colburn, "Sysprog" <wcolburn@nmt.edu> Computer Center, New Mexico Institute of Mining and Technology http://www.nmt.edu/tcc/ http://www.nmt.edu/~wcolburn
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