Item Description
ESP SPI If ESP is enabled on the IPsec Protocols page, the ESP SPI fields are provided. The
ESP SPI is a 32-bit field in an ESP header that helps to identify the IPsec Security
Association (SA).
In: Enter a value for an SA to use for packets received by the device.
Out: Enter a value for an SA to use for packets sent by the device.
AH SPI If AH is enabled on the IPsec Protocols page, the AH Security Parameters Index (SPI)
edit fields are provided. An AH SPI is a 32-bit field in an Authentication header that helps
to identify the IPsec SA.
In: Enter a value for an SA to use for packets received by the device.
Out: Enter a value for an SA to use for packets sent by the device.
CAUTION: The use of IPsec AH may not function properly in environments
that use Network Address Translation (NAT).
Key Format Choose whether you will use Hexadecimal values or ASCII characters to specify
encryption or authentication entries.
Encryption Enter encryption keys in the fields provided.
In: Enter the Encryption keys for packets received by the device.
Out: Enter the Encryption keys for packets sent by the device.
Authentication Enter authentication keys in the fields provided. Authentication keys must be the same
for ESP and AH protocols if both are enabled.
In: Enter the authentication keys for packets received by the device.
Out: Enter the authentication keys for packets sent by the device.
Rule Summary
This page provides summary information for the IPsec/Firewall rules created. Click Create Another
Rule to define another IPsec/Firewall rule before returning to the IPsec/Firewall Policy page. Or, click
Finish to add all configured rules to the policy page.
When you click Finish, you will be prompted whether to enable the IPsec/Firewall policy, and whether
to enable the Failsafe feature.
Configuring Windows Systems
To configure IPsec on supported Windows systems, consult your system documentation, or search for
IPsec on the Microsoft Web site.
Table 5-15 Manual Keys page (continued)
112 Chapter 5 IPsec/Firewall Configuration (V.36.xx) ENWW
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