Routing to a network behind a node

[Steven Honson]

Hello,

Have you added 172.16.0.0/24 to the AllowedIPs entry for the 172.16.215.2 Peer on 172.16.215.1?

Are you able to share your WireGuard configuration?

Cheers,
Steven

> On 8 Sep 2018, at 7:06 pm, M. Dietrich <mdt at emdete.de> wrote:
> 
> Hi,
> 
> i have setup a wg vpn with several nodes, lets say in a
> network 172.16.215.0/24. one of the boxes (ip 172.16.215.2) in
> that network has an interface to a different network with
> additional boxes, lets say 172.16.0.0/24. i would like to
> reach the boxes in that network directly so i established a
> route on another node in the wg network (172.16.215.1) like
> this:
> 
> 	ip route add 172.16.0.0/24 via 172.16.215.2
> 
> but once i ping 172.16.0.1 i get the error
> 
> 	From 172.16.215.1 icmp_seq=1 Destination Host Unreachable
> 	ping: sendmsg: Required key not available
> 
> it seems the package reaches wireguard but wireguard doesnt
> know the "via" and tells it has no key to route to 172.16.0.1
> which is fine. but why doesn wg honour the via and send it to
> the router 172.16.215.2?
> 
> i think its more or less whats done if you route all your
> traffic through wg so i assume i do a terrible stupid mistake
> (i am no network or kernel routing expert which may be an
> excuse), can someone help?
> 
> best regards,
> M. Dietrich
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