ZyXEL Communications 70 Series - Manual (Page 336)

ZyWALL 5/35/70 Series User’s Guide
Chapter 19 VPN Screens 336
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.
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.
Table 106 VPN: SA Monitor (continued)
LABEL DESCRIPTION
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.