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ProSafe Gigabit 8 Port VPN Firewall FVS318G Reference Manual
Virtual Private Networking 5-55
v1.1, August 2010
3. In the IKE SA Parameters section of the Edit IKE Policy screen, locate the Dead Peer
Detection configuration settings.
4. Click the Yes radio button to Enable Dead Peer Detection.
5. Enter the Detection Period to set the interval between consecutive DPD R-U-THERE
messages. DPD R-U-THERE messages are sent only when the IPSec traffic is idle. The
default is 10 seconds.
6. In Reconnect after failure count, set the number of DPD failures allowed before tearing
down the connection. The default is 3 failures. When the VPN firewall detects an IKE
connection failure, it deletes the IPSec and IKE Security Association and forces a
reestablishment of the connection.
7. Click Apply at the bottom of the screen.
Configuring NetBIOS Bridging with VPN
Windows networks use the Network Basic Input/Output System (NetBIOS) for several basic
network services such as naming and neighborhood device discovery. Because VPN routers do not
normally pass NetBIOS traffic, these network services do not work for hosts on opposite ends of a
VPN connection. To solve this problem, you can configure the VPN firewall to bridge NetBIOS
traffic over the VPN tunnel.
To enable NetBIOS bridging on a configured VPN tunnel, follow these steps:
1. Select VPN from the main menu and Policies from the submenu. The Policies submenu tabs
appear with the IKE Policies screen in view (see Figure 5-18 on page 5-16).
Figure 5-40