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CRADLEPOINT CBR450| USER MANUAL Firmware ver. 3.3.0
© 2011 CRADLEPOINT, INC. PLEASE VISIT HTTP://KNOWLEDGEBASE.CRADLEPOINT.COM/ FOR MORE HELP AND RESOURCES PAGE 95
7.6.5 Page 5: Dead Peer Detection
Dead Peer Detection (DPD) defines how the router will detect
when one end of the IPsec session loses connection while a
policy is in use.
Connection Idle Time allows you to configure how long the
router will allow an IPsec session to be idle before beginning to
send Dead Peer Detection (DPD) packets to the peer machine.
Request Frequency allows you to adjust the delay between
these DPD packets to send as quickly as every 2 seconds up to
30 seconds apart.
Additionally, you can specify how many Maximum Requests to
send at the selected time interval before the tunnel is considered
dead.
You must click Finish to save your VPN tunnel.