Virtual Private Networking Using IPSec Connections
195
ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308
4. Click Apply to save your settings.
Configure Dead Peer Detection
The Dead Peer Detection (DPD) feature maintains the IKE SA by exchanging periodic
messages with the remote VPN peer.
 To configure DPD on a configured IKE policy:
1. Select VPN > IPSec VPN. The IPSec VPN submenu tabs display, with the IKE Policies
screen in view (see Figure 104 on page 161).
2. In the List of IKE Policies table, click the Edit table button to the right of the IKE policy that
you want to edit. The Edit IKE Policy screen displays. (The following figure shows only the
IKE SA Parameters section of the screen.)
Figure 122.
Enable Keepalive
(continued)
Detection Period The period in seconds between the keep-alive requests.
The default setting is 10 seconds.
Reconnect after
failure count
The maximum number of keep-alive requests before the
VPN firewall tears down the connection and then attempts
to reconnect to the remote endpoint. The default is 3
keep-alive requests.
Table 48. Keep-alive settings (continued)
Setting Description
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