Date: Wed, 3 Feb 1999 14:41:11 +1030 From: Greg Lehey <grog@lemis.com> To: peter kok <peter@sweda.com.hk> Cc: Greg Black <gjb@comkey.com.au>, FreeBSD Questions <questions@FreeBSD.ORG> Subject: Re: Excessive collisions on Ethernet Message-ID: <19990203144110.W1179@freebie.lemis.com> In-Reply-To: <36B7CC74.5C09913B@sweda.com.hk>; from peter kok on Wed, Feb 03, 1999 at 12:11:32PM %2B0800 References: <19990131110224.I8473@freebie.lemis.com> <19990131192548.24006.qmail@alpha.comkey.com.au> <36B7CC74.5C09913B@sweda.com.hk>
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On Wednesday, 3 February 1999 at 12:11:32 +0800, peter kok wrote: > Greg Black wrote: > >>> In the last few days I've noticed a really high number of collisions >>> on my Ethernet. There are only 5 machines on the network, 3 of which >>> are barely active, yet I see: >>> >>> (allegro, running 2.2.6-STABLE) >>> ed0 1500 <Link> 00.00.c0.44.a5.68 43729816 45 43861788 12 977828 >>> ed0 1500 widecast allegro 43729816 45 43861788 12 977828 >> >> That's only 1.1%. > > i would like to know how do you measure this collision? This is output from netstat -bi: $ netstat -bi Name Mtu Network Address Ipkts Ierrs Ibytes Opkts Oerrs Obytes Coll ed2 1500 <Link> 00.80.48.e6.a0.61 358053 5 64720004 458435 0 320307968 8347 ed2 1500 widecast freebie 358053 5 64720004 458435 0 320307968 8347 lp0* 1500 <Link> 0 0 0 0 0 0 0 tun0 1518 <Link> 479 0 38668 616 0 126099 0 tun0 1518 widecast freebie 479 0 38668 616 0 126099 0 tun1* 1500 <Link> 0 0 0 0 0 0 0 tun2* 1500 <Link> 0 0 0 0 0 0 0 tun3* 1500 <Link> 0 0 0 0 0 0 0 sl0* 552 <Link> 0 0 0 0 0 0 0 ppp0 1500 <Link> 56159 0 13257713 57910 0 32470985 0 BTW, I had to reboot freebie. Since then, the incidence of collisions is *much* lower. There's something funny going on here. Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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