ZyXEL ISG50-PSTN User Guide - Page 371

The VPN Connection Add/Edit IKE Screen

Page 371 highlights

Chapter 24 IPSec VPN Each field is discussed in the following table. See Section 24.2.2 on page 377 and Section 24.2.1 on page 371 for more information. Table 122 Configuration > VPN > IPSec VPN > VPN Connection LABEL Use Policy Route to control dynamic IPSec rules DESCRIPTION Select this to be able to use policy routes to manually specify the destination addresses of dynamic IPSec rules. You must manually create these policy routes. The ISG50 automatically obtains source and destination addresses for dynamic IPSec rules that do not match any of the policy routes. Clear this to have the ISG50 automatically obtain source and destination addresses for all dynamic IPSec rules. Ignore ""Don't Fragment"" setting in packet header Add Edit Remove Activate Inactivate Connect Disconnect Object References # Status See Section 6.5.1 on page 95 for how this option affects the routing table. 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 ISG50 drops packets larger than the MTU that have the "don't" fragment" bit in the header turned on. Click this to create a new entry. Double-click an entry or select it and click Edit to open a screen where you can modify the entry's settings. To remove an entry, select it and click Remove. The ISG50 confirms you want to remove it before doing so. To turn on an entry, select it and click Activate. To turn off an entry, select it and click Inactivate. To connect an IPSec SA, select it and click Connect. To disconnect an IPSec SA, select it and click Disconnect. Select an entry and click Object References to open a screen that shows which settings use the entry. See Section 12.3.2 on page 246 for an example. This field is a sequential value, and it is not associated with a specific connection. The activate (light bulb) icon is lit when the entry is active and dimmed when the entry is inactive. Name VPN Gateway Encapsulation Algorithm Policy Apply Reset The connect icon is lit when the interface is connected and dimmed when it is disconnected. This field displays the name of the IPSec SA. This field displays the associated VPN gateway(s). If there is no VPN gateway, this field displays "manual key". This field displays what encapsulation the IPSec SA uses. This field displays what encryption and authentication methods, respectively, the IPSec SA uses. This field displays the local policy and the remote policy, respectively. Click Apply to save your changes back to the ISG50. Click Reset to return the screen to its last-saved settings. 24.2.1 The VPN Connection Add/Edit (IKE) Screen The VPN Connection Add/Edit Gateway screen allows you to create a new VPN connection policy or edit an existing one. To access this screen, go to the Configuration > VPN Connection screen (see Section 24.2 on page 370), and click either the Add icon or an Edit icon. If you click ISG50 User's Guide 371

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Chapter 24 IPSec VPN
ISG50 User’s Guide
371
Each field is discussed in the following table. See
Section 24.2.2 on page 377
and
Section 24.2.1 on
page 371
for more information.
24.2.1
The VPN Connection Add/Edit (IKE) Screen
The
VPN Connection Add/Edit Gateway
screen allows you to create a new VPN connection
policy or edit an existing one. To access this screen, go to the
Configuration > VPN Connection
screen (see
Section 24.2 on page 370
), and click either the
Add
icon or an
Edit
icon. If you click
Table 122
Configuration > VPN > IPSec VPN > VPN Connection
LABEL
DESCRIPTION
Use Policy
Route to control
dynamic IPSec
rules
Select this to be able to use policy routes to manually specify the destination
addresses of dynamic IPSec rules. You must manually create these policy routes.
The ISG50 automatically obtains source and destination addresses for dynamic
IPSec rules that do not match any of the policy routes.
Clear this to have the ISG50 automatically obtain source and destination addresses
for all dynamic IPSec rules.
See
Section 6.5.1 on page 95
for how this option affects the routing table.
Ignore ""Don't
Fragment""
setting in
packet 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 ISG50 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 ISG50 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
References
Select an entry and click
Object Reference
s to open a screen that shows which
settings use the entry. See
Section 12.3.2 on page 246
for an example.
#
This field is a sequential value, and it is not associated with a specific connection.
Status
The activate (light bulb) icon is lit when the entry is active and dimmed when the
entry is inactive.
The connect icon is lit when the interface is connected and dimmed when it is
disconnected.
Name
This field displays the name of the IPSec SA.
VPN Gateway
This field displays the associated VPN gateway(s). If there is no VPN gateway, this
field displays “manual key”.
Encapsulation
This field displays what encapsulation the IPSec SA uses.
Algorithm
This field displays what encryption and authentication methods, respectively, the
IPSec SA uses.
Policy
This field displays the local policy and the remote policy, respectively.
Apply
Click
Apply
to save your changes back to the ISG50.
Reset
Click
Reset
to return the screen to its last-saved settings.