TMS zl Management and Configuration Guide ST.1.1.100430

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Virtual Private Networks
GRE Examples
To configure the necessary policies, complete the following steps:
1. In the left navigation bar of the Web browser interface, click Firewall >
Access Policies. You are at the Unicast tab.
2. Click Add a Policy. The Add Policy window is displayed.
3. Permit GRE messages to the remote gateway.
a. For Action, accept the default, Permit Traffic.
b. For From, select SELF.
c. For To, select EXTERNAL.
d. For Service, specify (47) GRE.
e. For Source, specify the IP address 192.168.33.22.
f. For Destination, specify the tunnel’s source IP address, 172.23.99.99.
Figure 7-280. TMS zl Module—Add Policy Window
g. Click Apply.
4. Permit GRE messages from the remote gateway.
a. For Action, accept the default, Permit Traffic.
b. For From, select EXTERNAL.
c. For To, select SELF.
d. For Service, specify (47) GRE.