Reference Manual for the ADSL Modem Wireless Router DG834G
7-34 Virtual Private Networking
v1.0, October 2006
3. Click on VPN Status (Figure 7-29) to get the Current VPN Tunnels (SAs) screen.
This table lists the following data for each active VPN Tunnel.
• SPI—each SA has a unique SPI (Security Parameter Index) for traffic in each direction.
For "Manual" key exchange, the SPI is specified in the Policy definition. For "Automatic"
key exchange, the SPI is generated by the IKE protocol.
• Policy Name—the name of the VPN policy associated with this SA.
• Remote Endpoint—the IP address on the remote VPN Endpoint.
• Action—the action will be either a "Drop" or a "Connect" button.
• SLifeTime (Secs)—the remaining Soft Lifetime for this SA in seconds. When the Soft
Lifetime becomes zero, the SA (Security Association) will re-negotiated.
• HLifeTime (Secs)—the remaining Hard Lifetime for this SA in seconds. When the Hard
Lifetime becomes zero, the SA (Security Association) will be terminated. (It will be re-
established if required.)
Figure 7-35