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Configuration example

Network requirements

As shown in Figure 125, dual-stack routers Router A and Router B communicate over an IPv4

network. Configure an automatic IPv4-compatible IPv6 tunnel between the two routers to enable

IPv6 communications over the IPv4 network.

Figure 125 Network diagram

Configuration procedure

Make sure Router A and Router B can reach each other through IPv4.

• Configure Router A:

# Specify an IPv4 address for GigabitEthernet 2/0/1.

<RouterA> system-view

[RouterA] interface gigabitethernet 2/0/1

[RouterA-GigabitEthernet2/0/1] ip address 192.168.100.1 255.255.255.0

[RouterA-GigabitEthernet2/0/1] quit

# Create an automatic IPv4-compatible IPv6 tunnel.

[RouterA] interface tunnel 0 mode ipv6-ipv4 auto-tunnel

# Specify an IPv4-compatible IPv6 address for the tunnel interface.

[RouterA-Tunnel0] ipv6 address ::192.168.100.1/96

# Specify GigabitEthernet 2/0/1 as the source interface of the tunnel interface.

[RouterA-Tunnel0] source gigabitethernet 2/0/1

• Configure Router B:

# Specify an IPv4 address for GigabitEthernet 2/0/1.

<RouterB> system-view

[RouterB] interface gigabitethernet 2/0/1

[RouterB-GigabitEthernet2/0/1] ip address 192.168.50.1 255.255.255.0

[RouterB-GigabitEthernet2/0/1] quit

# Create an automatic IPv4-compatible IPv6 tunnel.

[RouterB] interface tunnel 0 mode ipv6-ipv4 auto-tunnel

# Specify an IPv4-compatible IPv6 address for the tunnel interface.

[RouterB-Tunnel0] ipv6 address ::192.168.50.1/96

# Specify GigabitEthernet 2/0/1 as the source interface of the tunnel interface.

[RouterB-Tunnel0] source gigabitethernet 2/0/1

Verifying the configuration

# Use the display ipv6 interface command to display tunnel interface status on Router A and

Router B. Verify that the interface tunnel 0 is up. (Details not shown.)

# Verify that Router B and Router A can ping the IPv4-compatible IPv6 address of each other. This

example uses Router A.

[RouterA-Tunnel0] ping ipv6 ::192.168.50.1

Ping6(56 data bytes) ::192.168.100.1 --> ::192.168.50.1, press CTRL_C to break

HPE FlexNetwork MSR Series Comware 7 Layer 3 - Ip Services Configuration Guides

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