*BSD News Article 67055


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Help! SMC Etherpower 10/100 NIC with FreeBSD 2.1
Date: 27 Apr 1996 08:34:44 GMT
Organization: Private FreeBSD site, Dresden
Lines: 26
Message-ID: <4lsm74$89n@uriah.heep.sax.de>
References: <DqEByu.FEt@news2.new-york.net> <4loq8s$7qp@verdi.nethelp.no>
  <DqGB3B.94L@news2.new-york.net>
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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hpp@newton.crisp.net (Paul Hein) writes:

>I did try that but could not find any clues. Here is the tcpdump output
>for telnet from ns1 ( FreeBSD with Etherpower ) to newton ( BSDI with
>SMC elite Ultra ).

I don't think it's a network card problem.

>04:11:40.290154 newton.crisp.net.telnet > ns1.crisp.net.1060: . ack 28 win 4069
>04:11:40.707015 newton.crisp.net.telnet > ns1.crisp.net.1060: P 1:16(15) ack 28 win 4069 [tos 0x10]
>04:11:45.640142 newton.crisp.net.telnet > ns1.crisp.net.1060: P 1:38(37) ack 28 win 4096 [tos 0x10]
>04:11:55.640157 newton.crisp.net.telnet > ns1.crisp.net.1060: P 1:38(37) ack 28 win 4096 [tos 0x10]
>04:12:15.640173 newton.crisp.net.telnet > ns1.crisp.net.1060: P 1:38(37) ack 28 win 4096 [tos 0x10]
>04:12:15.642067 ns1.crisp.net.1060 > newton.crisp.net.telnet: P 28:107(79) ack 38 win 16384 [tos 0x10]

This one seems to take 4 retries, until `ns1' finally replies after 35
seconds.  I don't have any clues about protocol stacks or such, but i
would perhaps try to analyze what ns1's telnetd does during all this
time.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)