Netgear FVS336G-300NAS Specifications Page 415

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Set Up Virtual Private Networking With IPSec Connections
415
ProSAFE Dual WAN Gigabit WAN SSL VPN Firewall FVS336Gv3
Keep-Alive and Dead Peer Detection Overview
Configure Keep-Alives
Configure Dead Peer Detection
Keep-Alive and Dead Peer Detection Overview
In some cases, you might not want a VPN tunnel to be disconnected when traffic is idle, for
example, when client-server applications over the tunnel cannot tolerate the tunnel
establishment time. If you require a VPN tunnel to remain connected, you can use the
keep-alive and Dead Peer Detection (DPD) features to prevent the tunnel from being
disconnected and to force a reconnection if the tunnel disconnects for any reason.
DPD lets the VPN firewall maintain the IKE SA by exchanging periodic messages with the
remote VPN peer. For DPD to function, the peer VPN device on the other end of the tunnel
also must support DPD.
The keep-alive feature, though less reliable than DPD, does not require any support from the
peer device. The keep-alive feature maintains the IPSec SA by sending periodic ping
requests to a host across the tunnel and monitoring the replies.
Configure Keep-Alives
The following procedure describes how to configure the keep-alive feature for an existing
VPN policy.
To configure the keep-alive feature for an existing VPN policy:
1. On your computer, launch an Internet browser.
2. In the address field of your browser, enter the IP address that was assigned to the VPN
firewall during the installation process.
The VPN firewall factory default IP address is 192.168.1.1.
The NETGEAR Configuration Manager Login screen displays.
3. In the Username field, type your user name and in the Password / Passcode field, type
your password.
For the default administrative account, the default user name is admin and the default
password is password.
4. If you changed the default domain or were assigned a domain, from the Domain menu,
select the domain.
If you did not change the domain or were not assigned a domain, leave the menu
selection at geardomain.
5. Click the Login button.
The Router Status screen displays.
6. Select VPN > IPSec VPN > VPN Policies.
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