UCM6200 Series User Manual 
Specify the protocol user,  user should use  the same settings as used on  the 
server 
Use the same setting as used on the server. 
Dev TUN: Create a routed IP tunnel. 
Dev TAP: Create an Ethernet tunnel. 
Compress tunnel packets using the LZO algorithm on the VPN link. Don’t enable 
this unless it is also enabled in the server config file. 
Upload  as  SSL/TLS  root  certificate.  This  file  will  be  renamed  as  ‘ca.crt’ 
automatically.   
Upload a client certificate. This file will be renamed as ‘cliend.crt’ automatically. 
Upload a client private key. This file will be renamed as ‘client.key’ automatically. 
 
Figure 36: Open VPN feature on the UCM6200 
DDNS Settings 
 
DDNS setting allows user to access UCM6200 via domain name instead of IP address.   
The UCM supports DDNS service from the following DDNS provider: