4000 Router Series Layer 3 - IP Services Configuration Guide

250

Ste

Command

Remarks

7. (Optional.) Enable

dropping of IPv6 packets

using IPv4-compatible

IPv6 addresses.

tunnel discard

ipv4-compatible-packet

The default setting is disabled.

6to4 tunnel configuration example

Network requirements

As shown in Figure 104, configure a 6to4 tunnel between 6to4 routers Router A and Router B so Host A

and Host B can reach each other over the IPv4 network.

Figure 104 Network diagram

Configuration considerations

To enable communication between 6to4 networks, configure 6to4 addresses for 6to4 routers and hosts

in the 6to4 networks.

• The IPv4 address of Ethernet 1/2 on Router A is 2.1.1.1/24, and the corresponding 6to4 prefix is

2002:0201:0101::/48. Host A must use this prefix.

• The IPv4 address of Ethernet 1/2 on Router B is 5.1.1.1/24, and the corresponding 6to4 prefix is

2002:0501:0101::/48. Host B must use this prefix.

Configuration procedure

Before configuring a 6to4 tunnel, make sure Router A and Router B can reach each other through IPv4.

• Configure Router A:

# Specify an IPv4 address for Ethernet 1/2.

<RouterA> system-view

[RouterA] interface ethernet 1/2

[RouterA-Ethernet1/2] ip address 2.1.1.1 24

[RouterA-Ethernet1/2] quit

# Specify a 6to4 address for Ethernet 1/1.

[RouterA] interface ethernet 1/1

[RouterA-Ethernet1/1] ipv6 address 2002:0201:0101:1::1/64

[RouterA-Ethernet1/1] quit

# Create a 6to4 tunnel interface tunnel 0.