Re: Configuring lagg for fallback mode

On Wed, Jun 12, 2024 at 10:29 PM Steven Friedrich <
freebsdlouisville@gmail.com> wrote:

> I'm referencing the Handbook, Example 39. Failover Mode
>
> I have two realtek ethernets.
>
> re0 is 1G on motherboard, re1 is 2.5G on pcie card.
>
> Here's my /etc/rc.conf.local:
>
> ifconfig_re0="up ether 78:2d:7e:1e:35:c4"
> ifconfig_re1="DHCP"
> cloned_interfaces="lagg0"
> ifconfig_lagg0="laggproto failover laggport re1 laggport re0"
>
> Here's output of ifconfig:
>
> re0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric
> 0 mtu 1500
>        options=60251b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,TSO4,LRO,WOL_MAGIC,RXCSUM_IPV6,TXCSUM_IPV6>
>
>        ether 78:2d:7e:1e:35:c4
>        hwaddr 00:68:eb:cc:7b:5b
>        media: Ethernet autoselect (1000baseT <full-duplex>)
>        status: active
>        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> re1: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric
> 0 mtu 1500
>        options=60251b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,TSO4,LRO,WOL_MAGIC,RXCSUM_IPV6,TXCSUM_IPV6>
>
>        ether 78:2d:7e:1e:35:c4
>        inet 192.168.1.57 netmask 0xffffff00 broadcast 192.168.1.255
>        media: Ethernet autoselect (2500Base-T <full-duplex>)
>        status: active
>        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu
> 16384
>        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
>        inet 127.0.0.1 netmask 0xff000000
>        inet6 ::1 prefixlen 128
>        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
>        groups: lo
>        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
> lagg0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP>
> metric 0 mtu 1500
>        options=60251b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,TSO4,LRO,WOL_MAGIC,RXCSUM_IPV6,TXCSUM_IPV6>
>
>        ether 78:2d:7e:1e:35:c4
>        hwaddr 00:00:00:00:00:00
>        laggproto failover lagghash l2,l3,l4
>        laggport: re0 flags=0<>
>        laggport: re1 flags=5<MASTER,ACTIVE>
>        groups: lagg
>        media: Ethernet autoselect
>        status: active
>        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>
>
> The network is not up.  What did I do wrong?  re1 got an address from
> DHCP...  re0 and lagg0 have cloned re1's MAC address...
>
>
DHCP should be ran on the lagg and not one of the members.
There may also be some dependance on the switch side of things too (i.e.
maybe it's expecting lacp instead). -- something to double check.

~Paul
-- 
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