H3C Technologies H3C SecPath F1000-E - Manual (Page 759)

13
Figure 27 Network diagram for P2MP GRE tunnel backup at the headquarters
GE0/2
GE0/1
GE0/1
Device A
Device B
(Backup gateway)
IPv4 network
Device C
GE0/2
GE0/1 GE0/2
Tunnel0
Tunnel0
Tunnel0
Tunnel1
Tunnel1
Tunnel1
Host A
Host B
Host C
GRE P2MP tunnel
GRE over IPv4 tunnel
Headquarters
Branch
GE0/3
GE0/3
Device Interface IP address Device Interface IP address
Device A GE0/1 11.1.1.1/24 Device B GE0/1 11.1.1.2/24
GE0/2 10.1.1.1/24 GE0/2 10.1.1.2/24
GE0/3 192.168.11.1/24 GE0/3 192.168.11.2/24
Tunnel0 172.168.1.1/24 Tunnel0 172.168.2.2/24
Tunnel1 192.168.22.1/24 Tunnel1 192.168.22.2/24
Device C GE0/1 11.1.1.3/24 Device C Tunnel0 172.168.1.3/24
GE0/2 192.168.12.1/24 Tunnel1 172.168.2.3/24
Configuration procedure
Step1 Configure Device A
# Configure an IPv4 address for each interface and assign the interfaces to security zones (omitted).
# Create GRE over IPv4 tunnel interface, with the tunnel interface number being 1.
• Select VPN > GRE > GRE from the navigation tree and then click Add to perform the
configurations shown in
Figure 28 .