ZyWALL 5/35/70 Series User’s Guide

 

Table 106 VPN: SA Monitor (continued)

 

 

 

 

LABEL

DESCRIPTION

 

 

 

 

IPSec Algorithm

This field displays the security protocols used for an SA.

 

 

Both AH and ESP increase ZyWALL processing requirements and

 

 

communications latency (delay).

 

Refresh

Click Refresh to display the current active VPN connection(s).

 

 

 

 

Disconnect

Select a security association index number that you want to disconnect and then

 

 

click Disconnect.

19.17 VPN Global Setting

Click VPN, then the Global Setting tab to open the VPN Global Setting screen. Use this screen to change your ZyWALL’s global settings.

Figure 157 VPN: Global Setting

The following table describes the labels in this screen.

Table 107 VPN: Global Setting

LABEL

DESCRIPTION

 

 

Output Idle Timer

When traffic is sent to a remote IPSec router from which no reply is received

 

after the specified time period, the ZyWALL checks the VPN connectivity. If

 

the remote IPSec router does not reply, the ZyWALL automatically

 

disconnects the VPN tunnel.

 

Enter the time period (between 30 and 3600 seconds) to wait before the

 

ZyWALL checks all of the VPN connections to remote IPSec routers.

 

Enter 0 to disable this feature.

 

 

Input Idle Timer

When no traffic is received from a remote IPSec router after the specified

 

time period, the ZyWALL checks the VPN connectivity. If the remote IPSec

 

router does not reply, the ZyWALL automatically disconnects the VPN tunnel.

 

Enter the time period (between 30 and 3600 seconds) to wait before the

 

ZyWALL checks all of the VPN connections to remote IPSec routers.

 

Enter 0 to disable this feature.

 

 

Chapter 19 VPN Screens

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