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Figure 140 Network diagram
Configuration procedure
Before performing the following configuration, configure an IP address for each interface, and make
sure Router A and Router B can reach each other.
1. Configure Router A:
# Create a tunnel interface Tunnel 0, and specify the tunnel mode as GRE/IPv6.
<RouterA> system-view
[RouterA] interface tunnel 0 mode gre ipv6
# Configure an IP address for the tunnel interface.
[RouterA-Tunnel0] ip address 10.1.2.1 255.255.255.0
# Configure the source address of the tunnel interface as the IP address of interface
GigabitEthernet 1/0/2 on Router A.
[RouterA-Tunnel0] source 2002::1:1
# Configure the destination address of the tunnel interface as the IP address of interface
GigabitEthernet 1/0/2 on Router B.
[RouterA-Tunnel0] destination 2001::2:1
[RouterA-Tunnel0] quit
# Configure a static route from Router A through the tunnel interface to Group 2.
[RouterA] ip route-static 10.1.3.0 255.255.255.0 tunnel 0
2. Configure Router B:
# Create a tunnel interface Tunnel 0, and specify the tunnel mode as GRE/IPv6.
<RouterB> system-view
[RouterB] interface tunnel 0 mode gre ipv6
# Configure an IP address for the tunnel interface.
[RouterB-Tunnel0] ip address 10.1.2.2 255.255.255.0
# Configure the source address of the tunnel interface as the IP address of interface
GigabitEthernet 1/0/2 on Router B.
[RouterB-Tunnel0] source 2001::2:1
# Configure the destination address of the tunnel interface as the IP address of interface
GigabitEthernet 1/0/2 on Router A.
[RouterB-Tunnel0] destination 2002::1:1
[RouterB-Tunnel0] quit
# Configure a static route from Router B through the tunnel interface to Group 1.
[RouterB] ip route-static 10.1.1.0 255.255.255.0 tunnel 0
Verifying the configuration
# Display tunnel interface information on Router A.
[RouterA] display interface tunnel 0
Tunnel0
Current state: UP
Line protocol state: UP
Description: Tunnel0 Interface
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