VPN site to site

I have between to company vpn verbindung made.The other company has own dns server and domain name.

they can ping one of my intern server IP. But i cant ping their intern server. I think vpn work bettween us(logs show connection is OK)

forgot something ? like dns zone in my dns server their domain name.

Who is Participating?
Benjamin MOREAUProject ManagerCommented:
If you want to add DNS Zone on the other server, you have to use "secondary dns zone". Check if transfer is allowed for your server on the source DNS Server
Kash2nd Line EngineerCommented:
if both companies are on their own domains then you may want to add dns zone on both sides with relevant IP range.

Also, can you ping from both sides using the IP, if yes then we know the VPN is up and working.

What kind of site to site VPN is it ?
What are the IP ranges on both sides, if they are same then you will have trouble.
Benjamin MOREAUProject ManagerCommented:

You have to :

- test to Ping the other server with IP
- Check if firewall is enable on the other server
apollo-13Author Commented:
add dns zone --which type zone should be ?
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