HP TMS zl Module Security Administrator's Guide

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Configuring a VPN on the HP TMS zl Module
Configuring an IPsec Site-to-Site VPN with IKE
6. For Security Protocol, select AH or ESP.
7. If you selected ESP in the previous step, select one of the following for
Encryption Algorithm:
• NULL
If you select this option, VPN traffic will not be encrypted.
•DES
•3DES
• AES-128 (16)
• AES-192 (24)
• AES-256 (32)
The number in parentheses after AES options indicates the key length for
the algorithm in bytes.
8. If you selected either ESP or AH, for Authentication Algorithm, select one of
the following:
•None
You must not select None if you selected AH for the Security Protocol
or if you selected NULL for the ESP Encryption Algorithm.
•MD5
•SHA-1
• AES-XCBC
9. Click Next.
10. Review the configuration settings you have selected. If you want to save
the changes as well as apply them, select the Save Configuration check box.
If any of the TMS zl Modules is a master in a cluster and you want to
immediately synchronize the changes, select the Synchronize changes to
Participant check box.Note that this will cause the participant to reboot.
If you need to change any settings, click Back until you reach the appro-
priate window and can select a different setting.
When you are ready to apply the configuration, click Next in the Configu-
ration Preview window.
11. A window is displayed, showing the settings being applied to the TMS zl
Module or modules. When you see that they have been applied success-
fully, click Close.
The IPsec proposal is displayed in the TMS-VPN > IPsec > IPsec Proposal
window.