On Thu, Feb 19, 2026 at 3:26 PM Thomas Pries <[email protected]> wrote:
>
> Hi,
>
> I'm trying to set up a LACP trunk with thee links to connect to a switch. I
> followed the man page:
>
> bash-5.3# ifconfig aggr0 create
> bash-5.3# ifconfig aggr0 trunkport em1
> bash-5.3# ifconfig aggr0 trunkport em2
> bash-5.3# ifconfig aggr0 trunkport em3
> bash-5.3# ifconfig aggr0 192.168.241.42/24
> bash-5.3# ifconfig aggr0 up
>
> but the aggr0 interface stays offline.
>
> bash-5.3# ifconfig
> ...
> em1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
> lladdr fe:e1:ba:d0:c3:51
> index 2 priority 0 llprio 3
> trunk: trunkdev aggr0
> media: Ethernet autoselect (1000baseT full-duplex,master)
> status: active
> em2: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
> lladdr fe:e1:ba:d0:c3:51
> index 3 priority 0 llprio 3
> trunk: trunkdev aggr0
> media: Ethernet autoselect (1000baseT full-duplex,master)
> status: active
> em3: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
> lladdr fe:e1:ba:d0:c3:51
> index 4 priority 0 llprio 3
> trunk: trunkdev aggr0
> media: Ethernet autoselect (1000baseT full-duplex,master)
> status: active
> ...
> aggr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> lladdr fe:e1:ba:d0:c3:51
> index 11 priority 0 llprio 7
> trunk: trunkproto lacp
> trunk id: [(8000,fe:e1:ba:d0:c3:51,000B,0000,0000),
> (0000,00:00:00:00:00:00,0000,0000,0000)]
> em1 lacp actor system pri 0x8000 mac fe:e1:ba:d0:c3:51, key
> 0xb, port pri 0x8000 number 0x2
> em1 lacp actor state activity,aggregation,defaulted
> em1 lacp partner system pri 0x0 mac 00:00:00:00:00:00, key
> 0x0, port pri 0x0 number 0x0
> em1 lacp partner state activity,aggregation,sync
> em1 port disabled
> em2 lacp actor system pri 0x8000 mac fe:e1:ba:d0:c3:51, key
> 0xb, port pri 0x8000 number 0x3
> em2 lacp actor state activity,aggregation,defaulted
> em2 lacp partner system pri 0x0 mac 00:00:00:00:00:00, key
> 0x0, port pri 0x0 number 0x0
> em2 lacp partner state activity,aggregation,sync
> em2 port disabled
> em3 lacp actor system pri 0x8000 mac fe:e1:ba:d0:c3:51, key
> 0xb, port pri 0x8000 number 0x4
> em3 lacp actor state activity,aggregation,defaulted
> em3 lacp partner system pri 0x0 mac 00:00:00:00:00:00, key
> 0x0, port pri 0x0 number 0x0
> em3 lacp partner state activity,aggregation,sync
> em3 port disabled
> groups: aggr
> media: Ethernet autoselect
> status: no carrier
> inet 192.168.241.42 netmask 0xffffff00 broadcast 192.168.241.255
> ...
>
> I also tried with tunk interface but this was also not working.
>
> How can I find out, why the interface is not coming online?
>
> Kind regards
> Thomas
>
>
Hello Thomas, you may want to up your em ifaces
( and/or put up in hostname.em{1,2,3} )
