Atlantis Land I-Fly A02-WRA4-54G User Reference Manual page 60

Atlantis land adsl wireless router 4 fast ethernet ports, firewall, vpn with 3des accelerator

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I-FLY WIRELESS ROUTER ADSL

SA Lifetime: Specify the number of minutes that a Security Association (SA) will stay active before

new encryption and authentication key will be exchanged. There are two kinds of SAs, IKE and IPSec.

IKE negotiates and establishes SA on behalf of IPSec, an IKE SA is used by IKE.

Phase 1 (IKE): To issue an initial connection request for a new VPN tunnel. The range can be from 5

to 15,000 minutes, and the default is 240 minutes.

Phase 2 (IPSec): To negotiate and establish secure authentication. The range can be from 5 to 15,000

minutes, and the default is 60 minutes.

A short SA time increases security by forcing the two parties to update the keys. However, every time

the VPN tunnel re-negotiates, access through the tunnel will be temporarily disconnected.

Select the Apply button to update the settings.

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