Date: Wed, 14 Sep 2005 15:09:21 -0700 (PDT) From: Jon Passki <cykyc@yahoo.com> To: freebsd-current@freebsd.org Subject: 6.0 BETA-3, if_bridge and invalid TCP checksum Message-ID: <20050914220921.60288.qmail@web50302.mail.yahoo.com>
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Hello All,
I'm running 6.0 B3 and noticed TCP checksum errors while using the
if_bridge functionality. Disabling the onboard checksum function
on the NIC stopped the errors. As a note, the TCP checksum put
into the packet was only the checksum (without the final inversion)
of the pseudo TCP header as described in RFC 793. Here's info on
the card:
dmesg | grep em0
em0: <Intel(R) PRO/1000 Network Connection, Version - 2.1.7> port
0xb000-0xb01f
mem 0xf2300000-0xf231ffff irq 18 at device 1.0 on pci1
em0: Ethernet address: 00:30:48:84:01:22
em0: Speed:N/A Duplex:N/A
I'd be happy to try out any patches if someone knows what's going
on.
Jon
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