From owner-freebsd-current  Sat Mar 11  7:24:27 2000
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Date: Sat, 11 Mar 2000 10:24:16 -0500 (EST)
From: Bryan Liesner <bleez@netaxs.com>
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To: freebsd-current@freebsd.org
Subject: Unexplained network outages
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I have a win98 box connected to a 4.0-current box via an ethernet
connection.  The connection will go dead after about 20 minutes. I'm
unable to ping the win98 box and cannot ping the FreeBSD box from the
win98 box.  No error/console messages.  I can bring it back to life by
doing an ifconfig dc1 down/up, then pinging the win98 box.  Has anyone
experienced this behavior? 

The strange thing is that the network never goes down if I run tcpdump
in promiscuous mode on the interface - it's a workaround, but I don't
like it.

Any ideas would be greatly appreciated.

Here's the output from ifconfig and dmesg:

dc1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
	inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
	ether 00:80:c6:f9:70:ec 
	media: autoselect (100baseTX) status: active
	supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback> none

dc1: <Macronix 98715/98715A 10/100BaseTX> port 0xec00-0xecff mem 0xebfbff00-0xebfbffff irq 10 at device 5.0 on pci0
dc1: Ethernet address: 00:80:c6:f9:70:ec
miibus1: <MII bus> on dc1
dcphy1: <Intel 21143 NWAY media interface> on miibus1
dcphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto


==========================================================
= Bryan D. Liesner         LeezSoft Communications, Inc. =
=                          A subsidiary of LeezSoft Inc. =
= bleez@netaxs.com         Home of the Gipper            =
==========================================================




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