how to forward/route/rule all traffic broadcast from an br0 to wg0

how to forward/route/rule all traffic broadcast from an br0 to wg0

[Jelle de Jong]

Hello everybody,

br0 (with eth0 eth1 eth3)
wg0 (192.168.43.10/24)

dhcp-helper to forward broadcast to ip?

I am looking for way to use a wireguard tunnel to route all traffic 
including dhcp broadcast from one network to an other network and create 
a form of a network bridge.

I got an working wireguard client wg0 (192.168.43.10/24) that has a 
linux bridge br0 on the same system, so br0 and wg0.

I can not add wg0 to the bridge because bridging is layer2.

How can I use either ip route, nftables, iptables, etc to route all 
traffic on br0 to wg0.

I want to runnel an dhcp and pxe boot over the br0 to wg0.

Can someone share an example?

Kind regards,

Jelle de Jong
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Re: how to forward/route/rule all traffic broadcast from an br0 to wg0

[Jelle de Jong]

Hello everyone,

Anyone that can answer the question on how to broadcast traffic like 
DHCP through an excisiting wireguard connection?

Kind regards,

Jelle de Jong

On 2020-02-07 17:49, Jelle de Jong wrote:
> Hello everybody,
> 
> br0 (with eth0 eth1 eth3)
> wg0 (192.168.43.10/24)
> 
> dhcp-helper to forward broadcast to ip?
> 
> I am looking for way to use a wireguard tunnel to route all traffic 
> including dhcp broadcast from one network to an other network and create 
> a form of a network bridge.
> 
> I got an working wireguard client wg0 (192.168.43.10/24) that has a 
> linux bridge br0 on the same system, so br0 and wg0.
> 
> I can not add wg0 to the bridge because bridging is layer2.
> 
> How can I use either ip route, nftables, iptables, etc to route all 
> traffic on br0 to wg0.
> 
> I want to runnel an dhcp and pxe boot over the br0 to wg0.
> 
> Can someone share an example?
> 
> Kind regards,
> 
> Jelle de Jong
> _______________________________________________
> WireGuard mailing list
> WireGuard@lists.zx2c4.com
> https://lists.zx2c4.com/mailman/listinfo/wireguard
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Re: how to forward/route/rule all traffic broadcast from an br0 to wg0

[Matthias Urlichs]

On 20.02.20 15:40, Jelle de Jong wrote:
> Anyone that can answer the question on how to broadcast traffic like
> DHCP through an excisiting wireguard connection? 

You need a tunnel. "man ip-link" on Linux.

I'm sure you'll find a tutorial that explains the various options –
those details are off-topic for the WG list and my experience with them
is slightly out of date. :-/

-- 
-- Matthias Urlichs

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