Netgear SRX5308 SRX5308 Reference Manual - Page 351
Table C-20. System Logs: IPsec VPN Tunnel, Dead Peer Detection and Keepalive Default, sec, VPN
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ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308 Reference Manual Table C-20. System Logs: IPsec VPN Tunnel, Dead Peer Detection and Keepalive (Default 30 sec), VPN Tunnel Torn Down Message 1 Message 2 Message 3 Explanation Recommended Action 2000 Jan 1 06:01:18 [SRX5308] [VPNKA] Keep alive to peer 192.168.10.2 failed 3 consecutive times and 5 times cumulative_ 2000 Jan 1 06:01:19 [SRX5308] [IKE] DPD R-U-THERE sent to "20.0.0.1[500]"_ 2000 Jan 1 06:01:19 [SRX5308] [IKE] DPD R-U-THERE-ACK received from "20.0.0.1[500]"_ Message 1: When the remote host connection is removed and when there are no packets from the remote host, the VPN firewall sends packets to keep the remote host alive. As the connection itself is removed, keepalive fails. Message 2: The VPN firewall sends packets to check whether the peer is dead. Message 3: The VPN firewall receives an acknowledgment that the peer is dead. The connection is removed. None System Logs and Error Messages v1.0, April 2010 C-13
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