Hi,

On Thu, 25 Feb 2021 21:58:45 +0100 gustavo panizzo <g...@debian.org> wrote:
> Package: ifupdown
> Version: 0.8.36
> Severity: wishlist
> Tags: ipv6
> 
> 
> Hello
> 
> currently the manual method for ipv6 does not support pointopoint
> configurations
> 
> config
> 
> ```
> iface wg3 inet static
>   pre-up ip link add $IFACE type wireguard
>   pre-up wg setconf $IFACE /etc/wireguard/$IFACE.conf
>   post-down ip link del $IFACE
>   post-up wg set $IFACE fwmark 51097
>   address 172.21.68.1
>   netmask 255.255.255.255
>   pointopoint 172.21.68.9
> 
> iface wg3 inet6 static
>   address fe80::1:100/128
>   pointopoint fdc5:30f7:af0a:1000::1
> ```
> 
> resulting config
> 
> ```
> # ip -6 a s dev wg3
> 69: wg3: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 state UNKNOWN qlen 1000
>     inet6 fe80::1:100/128 scope link
>        valid_lft forever preferred_lft forever
> 
> ```
> 
> while this configuration is supported by ip without problems
> 
> (removing ipv6 config for wg3 in /etc/network/interfaces)
> 
> ```
> ip -6 addr add fe80::1:100 peer fdc5:30f7:af0a:1000::1 dev wg3
> 
> # ip -6 a s dev wg3
> 68: wg3: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 state UNKNOWN qlen 1000
>     inet6 fe80::1:100 peer fdc5:30f7:af0a:1000::1/128 scope link
>        valid_lft forever preferred_lft forever
> ```
> 
> thanks!

Don't hesitate to propose a patch :-)

Cheers,

 -- Santiago

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