Viewing Sa Monitor; Ipsec Vpn Technical Reference; Ipsec Architecture - ZyXEL Communications P-660HNU-F1 User Manual

Chapter 16 VPN

16.5 Viewing SA Monitor

Click Security > VPN > Monitor to open the screen as shown. Use this screen to display and
manage active VPN connections.
A Security Association (SA) is the group of security settings related to a specific VPN tunnel. This
screen displays active VPN connections. Use Refresh to display active VPN connections. This
screen is read-only. The following table describes the fields in this tab.
When there is outbound traffic but no inbound traffic, the SA times out automatically after two
minutes. A tunnel with no outbound or inbound traffic is "idle" and does not timeout until the SA
lifetime period expires. See
renegotiate an IPSec SA when the SA lifetime expires, even if there is no traffic.
Figure 109 Security > VPN > Monitor
The following table describes the fields in this screen.
Table 65 Security > VPN > Monitor
LABEL
No
Status
Tunnel Name
IPSec Algorithm
Disconnect
Refresh

16.6 IPSec VPN Technical Reference

This section provides some technical background information about the topics covered in this
chapter.

16.6.1 IPSec Architecture

The overall IPSec architecture is shown as follows.
212
Section 16.6.6 on page 217
DESCRIPTION
This is the security association index number.
Displays whether the security association is active or not
This is the name of the new tunnel.
This field displays the encryption algorithm, and authentication algorithm used in
each VPN tunnel.
Select one of the security associations, and then click Disconnect to stop that
security association.
Click Refresh to display the current active VPN connection(s).
on keeping alive to have the ZyXEL Device
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