TMS zl Management and Configuration Guide ST.1.1.100430

7-135
Virtual Private Networks
Configure an IPsec Site-to-Site VPN with Manual Keying
Figure 7-115. Add IPsec Policy Window—Step 4 of 4
17. If desired, configure settings in the Advanced Settings (Optional) section.
a. Select the check boxes for the advanced features that you want to
enable:
– Enable IP compression
– Enable fragment before IPsec
This setting is enabled by default.
For information and guidelines on these settings, see “Advanced
IPsec Features” on page 7-22.
b. For Anti-Replay Window Size, type a value between 32 and 1024.
This setting determines how far out of order a packet can arrive and
still be accepted. See “Anti-Replay Window” on page 7-22 for more
information.