misc/132285: CARP alias gives incorrect hash in dmesg
Eirik Øverby
ltning-pfsense at anduin.net
Tue Mar 3 07:30:01 PST 2009
>Number: 132285
>Category: misc
>Synopsis: CARP alias gives incorrect hash in dmesg
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Mar 03 15:30:00 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Eirik Øverby
>Release: 7.1
>Organization:
>Environment:
FreeBSD fw01.unicore.no 7.1-RELEASE-p3 FreeBSD 7.1-RELEASE-p3 #0: Mon Feb 23 03:33:46 EST 2009 sullrich at freebsd7-releng_1_2_3-pre-testing.pfsense.org:/usr/obj.pfSense/usr/pfSensesrc/src/sys/pfSense_SMP.7 i386
>Description:
When adding an IP address to an existing CARP interface using ifconfig...alias, traffic passing through the interface becomes erratic and slow, and dmesg shows many "carpX: incorrect hash" messages.
See
http://unix.derkeiler.com/Mailing-Lists/FreeBSD/net/2008-03/msg00146.html
for a detailed explanation of the same problem.
>How-To-Repeat:
ifconfig carpX x.x.x.x/yy alias
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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