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Re: kern/51057: hme(4) device driver bug when tcp4csum and udp4csum are enabled
The following reply was made to PR kern/51057; it has been noted by GNATS.
From: "John D. Baker" <jdbaker%mylinuxisp.com@localhost>
Subject: Re: kern/51057: hme(4) device driver bug when tcp4csum and udp4csum
Date: Sat, 9 Apr 2016 09:32:35 -0500 (CDT)
I see something similar on a machine with a qfe (4 x hme) sbus card that
I use as a NAT firewall/router. Both internal and exteral networks are
on the qfe card. If "tcp4csum-rx" is enabled on the internal interface,
FTP connections from the local LAN are not forwarded to 'ftp-proxy'.
There was one remote machine I connected to that would drop the SSH
connection with similar messages to those reported here, but it was
the only one that exhibited the problem.
Lately, I experienced one particular web site that starts to work then
fails and, once failed, fails for all hosts on my internal LAN for a
couple of days, including one running redmond-OS. The webside works
for hosts outside my LAN (via excruciatingly slow X11 forwarding over
SSH). I briefly disabled all tcp4csum for internal and external networks,
but that didn't help. I'll try again by rebooting the firewall so it
comes up with those options disabled.
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