ZyXEL UAG4100 User Guide - Page 340
The VPN Connection Screen
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Chapter 30 IPSec VPN • In a VPN gateway, the UAG and remote IPSec router can use certificates to authenticate each other. Make sure the UAG and the remote IPSec router will trust each other's certificates. See Chapter 44 on page 467. 30.2 The VPN Connection Screen Click Configuration > VPN > IPSec VPN to open the VPN Connection screen. The VPN Connection screen lists the VPN connection policies and their associated VPN gateway(s), and various settings. In addition, it also lets you activate or deactivate and connect or disconnect each VPN connection (each IPSec SA). Click a column's heading cell to sort the table entries by that column's criteria. Click the heading cell again to reverse the sort order. Figure 241 Configuration > VPN > IPSec VPN > VPN Connection Each field is discussed in the following table. See Section 30.2.1 on page 341 for more information. Table 155 Configuration > VPN > IPSec VPN > VPN Connection LABEL DESCRIPTION Ignore "Don't Fragment" setting in IPv4 header Select this to fragment packets larger than the MTU (Maximum Transmission Unit) that have the "don't fragment" bit in the IP header turned on. When you clear this the UAG drops packets larger than the MTU that have the "don't fragment" bit in the header turned on. Add Click this to create a new entry. Edit Double-click an entry or select it and click Edit to open a screen where you can modify the entry's settings. Remove To remove an entry, select it and click Remove. The UAG confirms you want to remove it before doing so. Activate To turn on an entry, select it and click Activate. Inactivate To turn off an entry, select it and click Inactivate. Connect To connect an IPSec SA, select it and click Connect. Disconnect To disconnect an IPSec SA, select it and click Disconnect. Object Reference Select an entry and click Object Reference to open a screen that shows which settings use the entry. See Section 10.3.2 on page 165 for an example. UAG Series User's Guide 340