Date: Thu, 27 Jul 2000 12:27:47 -0700 (PDT) From: larse@isi.edu To: freebsd-gnats-submit@FreeBSD.org Subject: kern/20227: 4.1-RC: UDP checksum problem Message-ID: <20000727192747.8291737C0B3@hub.freebsd.org>
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>Number: 20227 >Category: kern >Synopsis: 4.1-RC: UDP checksum problem >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Jul 27 12:30:01 PDT 2000 >Closed-Date: >Last-Modified: >Originator: Lars Eggert >Release: 4.1-RC >Organization: USC/ISI >Environment: FreeBSD hbo.isi.edu 4.1-RC FreeBSD 4.1-RC #0: Mon Jul 24 16:24:30 PDT 2000 larse@hbo.isi.edu:/usr/obj/usr/src/sys/PRECISION i386 >Description: There seems to be a problem with the UDP checksum code. I've found that multicast loopback packets are always dropped because of bad UDP checksum, but don't understand why. >How-To-Repeat: >Fix: sysctl -w net.inet.udp.checksum=0 >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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