gigabit and hw checksumming

To: current-users%netbsd.org@localhost
Subject: gigabit and hw checksumming
From: Patrick Welche <prlw1%cam.ac.uk@localhost>
Date: Sat, 30 Jan 2010 15:35:11 +0000

After the "Why is my gigabit so slow" thread, I tried swapping a trusty
100 Mibit switch with a gigabit one, and then quickly tried to
scp bigfile over:/tmp/there
over's sshd: Disconnecting: Corrupted MAC on input
I then
ifconfig nfe0 -tcp4csum -ip4csum -udp4csum
and the scp succeeded. (Had no problems with hw checksumming at 100Mbit :-/)

Something up with nfe(4)? (-current/amd64)

Cheers,

Patrick

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