NETGEAR UTM50-100NAS, UTM5-100NAS manual Dead Peer Detection Settings, IKE SA Parameters

ProSecure Unified Threat Management (UTM) Appliance Reference Manual

3.In the IKE SA Parameters section of the screen, locate the DPD fields.

Figure 7-32

4.Select the radio button and complete the fields as explained Table 7-21.

Table 7-21. Dead Peer Detection Settings

Item	Description (or Subfield and Description)
IKE SA Parameters
Enable Dead Peer	Select the Yes radio button to enable DPD. When the UTM detects an IKE
Detection	connection failure, it deletes the IPsec and IKE SA and forces a
	reestablishment of the connection. You must enter the detection period and
	the maximum number of times that the UTM attempts to reconnect (see
	below).
	Detection Period	The period in seconds between consecutive
		“DPD R-U-THERE” messages, which are sent only when
		the IPsec traffic is idle. The default setting is 10 seconds.
	Reconnect after	The maximum number of times that the UTM attempts to
	failure count	reconnect after a DPD situation. When the maximum
		number of times is exceeded, the IPsec connection is
		terminated. The default setting is 3 IKE connection
		failures.

5.Click Apply to save your settings.

7-58 Virtual Private Networking Using IPsec Connections

v1.0, January 2010