problem with link aggregation failover

peterjeremy at peterjeremy at
Tue Sep 15 07:38:55 UTC 2009

On 2009-Sep-13 12:11:45 +0200, Maciej Jan Broniarz <gausus at> wrote:
>I have configured the same mac on both cards. 

This should be done automatically by lagg.

>When I disconnect the cable from xl0, the network connection dies, and my lagg0 looks like this:
>lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>	options=9<RXCSUM,VLAN_MTU>
>	ether 00:01:02:20:24:ef
>	inet netmask 0xffffff00 broadcast
>	media: Ethernet autoselect
>	status: active
>	laggproto failover
>	laggport: fxp0 flags=4<ACTIVE>
>	laggport: xl0 flags=1<MASTER>
>What might be the problem with that setup?

Both sides of a lagg need to co-operate to pass packets.  You need to
configure the switch to failover as well.

Peter Jeremy
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