Netgear SRX5308 Specifications Page 192

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Virtual Private Networking Using IPSec Connections
192
ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308
Configure Keep-alives
The keep-alive feature maintains the IPSec SA by sending periodic ping requests to a host
across the tunnel and monitoring the replies. To configure the keep-alive feature on a
configured VPN policy:
1. Select VPN > IPSec VPN > VPN Policies. The VPN Policies screen displays (see
Figure 106 on page 166).
2. In the List of VPN Policies table, click the Edit table button to the right of the VPN policy that
you want to edit. The Edit VPN Policy screen displays. (The following figure shows only the
top part of the screen with the General section.)
Figure 121.
3. Enter the settings as explained in the following table:
Table 48. Keep-alive settings
Setting Description
General
Enable Keepalive Select a radio button to specify if keep-alive is enabled:
Yes. This feature is enabled. Periodically, the VPN firewall sends keep-alive
requests (ping packets) to the remote endpoint to keep the tunnel alive. You
need to enter the ping IP address, detection period, and the maximum
number of keep-alive requests that the VPN firewall sends (see below).
No. This feature is disabled. This is the default setting.
Ping IP Address The IP address that the VPN firewall pings. The address
needs to be of a host that can respond to ICMP ping
requests.
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