> On Jan 26, 2025, at 3:19 AM, Kurt Jaeger <p...@freebsd.org> wrote:
>
> Hi!
>
>>> Until around FreeBSD 13.2, one could create vlans with this:
>>>
>>> cloned_interfaces="vlan200"
>>> ifconfig_vlan200="vlandev ix0 vlan 200 inet 192.168.10.1/24"
>>
>> This is the general approach to clone create interfaces, applicable
>> to vlan(4) but also for other driver such as gif(4) and wg(4) etc.
>
> It worked even for dual stack:
>
> cloned_interfaces="vlan2000"
> ifconfig_vlan2000="vlandev mce0 vlan 2000 192.168.10.12/24"
> ifconfig_vlan2000_ipv6="inet6 2001:db8:0001:0010:0000:0000:0000:eeee/64"
>
> and running:
>
> ifconfig vlan2000 create
>
> produced:
>
> vlan2000: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>
> options=1c680703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6,MEXTPG,TXTLS4,TXTLS6>
> ether 10:70:fd:53:ed:ae
> inet 192.168.10.12 netmask 0xffffff00 broadcast 192.168.10.255
> inet6 fe80::1270:fdff:fe53:edae%vlan2000 prefixlen 64 scopeid 0x4b
> inet6 2001:db8:1:10::eeee prefixlen 64
> groups: vlan
> vlan: 2000 vlanproto: 802.1q vlanpcp: 0 parent interface: mce0
>
> But this no longer works with 14.2.
> If I do the same steps, the ipv6 address is not configured:
>
> vlan2000: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>
> options=1c680703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6,MEXTPG,TXTLS4,TXTLS6>
> ether 10:70:fd:53:ed:ae
> inet 192.168.10.12 netmask 0xffffff00 broadcast 192.168.10.255
> inet6 fe80::1270:fdff:fe53:edae%vlan2000 prefixlen 64 scopeid 0x4b
> inet6 2001:db8:1:10::eeee prefixlen 64
> groups: vlan
> vlan: 2000 vlanproto: 802.1q vlanpcp: 0 parent interface: mce0
>
> What's wrong here ?
I tested on FreeBSD 14.2, `ifconfig_vlan2000_ipv6=...` also works as intended.
IPv6 address is configured correctly.
Am I missing something ?
>
>>> Will both variants be supported in the future (14, 15) or is one
>>> of them on it's way out ?
>>
>> I believe both will be supported in future releases.
>
> Ok, then the vlanNNNN variant has some issues with ipv6 in 14.2.
>
> --
> p...@freebsd.org +49 171 3101372 Now what ?
>
