[feature request] add support for EVPN

Technical Support for Routers
1

Hello,

I'm a big fan of layering L2 inside vpns, and then being able to push vlans (EVPN).

For example wireguard does not allow this, but you can encapisulate it through a vxlan tunnel / gretap.

Although it is a niece feature, i'd still like to request such feature, personally i think it is really cool and useful once support for vlans has been added.

For example OpenWisp also has this feature, the downside though is that OpenWisp is made as management for all routers, not as standalone router.

This will make configurating it easier since a user does not have to deal with the mtu complications since it is highly configurable through the ui as one feature, rather than two separated things.

One example is when you have a console device allowing remote play functionality but it uses L2 broadcast this will not work on traditional wireguard, but if you can set for example the wireless interface to such L2 vlan interface you can just join the network like it was exactly at home.

2

How do you think if the OpenVPN tap mode and Zerotier bridge can meet your requirement?

4

Hmm I'm not so fan of OpenVpn personally i think it makes it much more complicated to setup, as for zerotier i have not much experience with them.

In my own setup i use wireguard with vxlans, i know that wireguard adds something like 24 bytes on mtu, and vxlan adds 50, so if i substract it from 1500 it would be working perfect, wan can be 1500, wireguard - 1500-24, and vxlan 1500-(50+24), but it can also be automaticly be done by DSA aslong mtu of wan has been set.

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5

Honestly, this use scenario and case may not have too many users, thus it is difficult to be passed by the PM team.
But I also will collect this request.

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