[spyfly]

I have a main ADSL router with MOVISTAR in my local network in 172.16.0.1 and give dhcp to all devices and wifi, etc...

I have a dd-wrt router in 172.16.0.83 only for server OPENVPN, and i want configure a TUN type of vpn

I have this configuration, and client openvpn can conect ok
But if the client make ping to the main network:
ping 172.16.0.83 is ok
ping 172.16.0.1 is ko
ping 172.16.0.27 is ko

i need see all the equipements in my 172.16.0.x

can you help to me?

thanks

CONFIGURATION:

[spyfly]

the router of my isp dont have for make it chamges.
i will tray changin the router with dd-wrt of openvpn server.

maybe are there other options??? i can use push option of the openvpn for give to the clients this information about the route ????

is the push option valid??? and not modify the firewall commands of my router???

[egc]

You do not have to change the ISP router. Just follow the advice from @eibgrad

In my signature (bottom of this post) is an OVPN server setup guide.
There is a chapter about running an "OpenVPN server on a Wireless Access Point (WAP)"

[spyfly]

ok, i have seen the manual. Is only this method the unique possibility for resolve it??? isn't not possibly resolve this situation with push rules??

[egc]

The other possibility is also outlined by @eibgrad, that is setting a static route on your ISP router (and maybe an extra NAT rule but most of the ISP routers I have worked with do not need that as they are NATting all traffic)

But as you already said that you can not change anything on your ISP router this is the only way to do it

[spyfly]

i add

iptables -t nat -I POSTROUTING -s 172.16.3.0/24 -o br0 -j SNAT --to $(nvram get lan_ipaddr)

and now work fine!!! thanks a lot!