Forward packages over AnyConnect tunnel

[Daniel Sahlberg]

Hi,

(Please keep me in CC since I'm not subscribed to the list! Thanks!)

I'm trying to create a VPN router between network A ("local") and
network B ("remote").

Simple network map
Network A             192.168.22.0/24
OpenConnect "router"  192.168.22.2
                       |
Cisco router          1.2.3.4
Network B             192.168.11.0/24

I can connect the VPN and use it on the machine where I run OpenConnect.

I have configured routing properly on the other machines on network A
(ie, traffic to 192.168.11.0/24 should go through 192.168.22.2). If I
set net.ipv4.ip_forward=1 the traffic seems to enter the tunnel.
However I don't see any replies.

Is OpenConnect capable of forwarding traffic? I suppose it might need
some NAT masquerading and I have tried the regular iptables setup but
I havn't been able to make it work.

Kind regards
Daniel Sahlberg