kern/113956: carp stuck in init when using a lagg interface

Greg Jones gjones at
Fri Jun 22 20:50:03 UTC 2007

>Number:         113956
>Category:       kern
>Synopsis:       carp stuck in init when using a lagg interface
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jun 22 20:50:03 GMT 2007
>Originator:     Greg Jones
>Release:        FreeBSD 7.0-CURRENT i386
Centennial Wireless
FreeBSD  7.0-CURRENT FreeBSD 7.0-CURRENT #2: Thu Jun 21 15:37:24 EDT 2007     root@:/usr/obj/usr/src/sys/GENERIC  i386
Carp works fine on a physical interface.  Lagg is also tested and working in failover and roundrobin modes.  But carp when it needs to use the lagg interface will never go beyound the init stage, and no advertisements are ever sent on the lagg interface.  The kernel is GENERIC, with the exception of device carp being added.
#setup lagg interface
ifconfig lagg0 create
ifconfig bge0 up
ifconfig bge1 up
ifconfig lagg0 laggproto roundrobin laggport bge0 laggport bge1 netmask
#add carp
ifconfig carp0 create
ifconfig carp0 up vhid 1 advskew 10 pass thepassword netmask


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