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 Manual Keying
The module sets the DF bit for all IPsec packets.
– Clear DF bit
The module clears the DF bit for all IPsec packets.
See “The Copying of Values from the Original IP Header” on page 4-23
for more information.
d. Under DSCP Options, choose how the TMS zl Module assigns DSCP
values to IPsec packets. Either:
– Select Copy DSCP value from clear packet.
The TMS zl Module assigns each IPsec packet the DSCP value
assigned to the original IP packet.
– Select Set DSCP value and type a value between 0 and 63 in the box.
The TMS zl Module assigns every IPsec packet in this SA the
DSCP that you configure. 0 is the default value and requests
normal handling for the packet.
See “The Copying of Values from the Original IP Header” on page 4-23
for more information.
12. Click Next.
13. 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 settings to
Participant check box.
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.
14. A window is displayed, showing the settings being applied. When you see
that they have been applied successfully, click Close.
Move to the next task: configuring firewall access policies that permit traffic
associated with the VPN.
Create Access Policies for an IPsec Site-to-Site VPN
with Manual Keying
To permit VPN traffic, you must create firewall access on each TMS zl Module
on which you configured a site-to-site VPN.