R3721-F3210-F3171-HP High-End Firewalls VPN Configuration Guide-6PW101

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Figure 35 Adding a GRE over IPv4 tunnel interface (Tunnel1)
4. Configure a static route from Firewall B through interface Tunnel0 to the branch network:
a. Select Network > Routing Management > Static Routing from the navigation tree.
b. Click Add to perform the configurations shown in Figure 36.
c. Enter 192.168.12.0 as the destination IP address.
d. Select mask 255.255.255.0.
e. Select Tunnel0 as the outbound interface.
f. Click Apply.
Figure 36 Adding a static route from Firewall B through interface Tunnel0 to the branch network
Configuring Firewall C
1. Configure an IPv4 address for each interface and assign the interfaces to security zones. (Details
not shown.)
2. Create a GRE over IPv4 tunnel interface, with the tunnel interface number being 0: