Tunnel Name: Specify the name of the tunnel. 
  Mechanism: Currently, only 6rd configuration is supported.       
  Associated WAN Interface: Specify the WAN iterface of the tunnel.   
  Associated LAN Interface: Specify the LAN iterface of the tunnel.   
  Manual: If you select Manual, enter the AFTR information also: 
  Automatic: If Automatic is selected, no configurations are required. 
  Apply/Save: Click to apply and save your settings. 
4.1.16 Certificate 
This section explains the following information: 
• Local Certificates 
• Trusted CA (Certificate Authority) Certificates 
Local Certificates 
Here you can Add, View or Remove certificates. Local certificates are used by peers to verify your identity. Maximum 4 
certificates can be stored. 
 
 
 
To generate generate a certificate signing request: 
1.  Click the Create Certificate Request button to enter the page below.