R3303-HP 6600/HSR6600 Routers Layer 3 - IP Services Configuration Guide

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NAT-PT configuration examples
Configuring dynamic mapping on the IPv6 side
Network requirements
As shown in Figure 83, Router C with IPv6 address 2001::2/64 on an IPv6 network wants to access
Router A with IPv4 address 8.0.0.2/24 on an IPv4 network, whereas Router A cannot actively access
Router C.
To meet the preceding requirements, you need to configure Router B that is deployed between the IPv4
network and IPv6 network as a NAT-PT device, and configure dynamic mapping policies on the IPv6 side
on Router B so that IPv6 hosts can access IPv4 hosts but IPv4 hosts cannot access IPv6 hosts.
Figure 83 Network diagram
Configuration procedure
1. Configure Router B (NAT-PT device):
# Configure interface addresses and enable NAT-PT on the interfaces.
<RouterB> system-view
[RouterB] ipv6
[RouterB] interface serial 2/2/0
[RouterB-Serial2/2/0] ip address 8.0.0.1 255.255.255.0
[RouterB-Serial2/2/0] natpt enable
[RouterB-Serial2/2/0] quit
[RouterB] interface serial 2/2/1
[RouterB-Serial2/2/1] ipv6 address 2001::1/64
[RouterB-Serial2/2/1] natpt enable
[RouterB-Serial2/2/1] quit
# Configure a NAT-PT prefix.
[RouterB] natpt prefix 3001::
# Configure a NAT-PT address pool.
[RouterB] natpt address-group 1 9.0.0.10 9.0.0.19
# Associate the prefix with the address pool for IPv6 hosts accessing IPv4 hosts.
[RouterB] natpt v6bound dynamic prefix 3001:: address-group 1
2. Configure Router A on the IPv4 side:
# Configure a static route to subnet 9.0.0.0/24.
<RouterA> system-view
[RouterA] ip route-static 9.0.0.0 24 8.0.0.1
3. Configure Router C on the IPv6 side:
# Enable IPv6.