3Com MSR 50 Series Configuration Manual page 689

Configuration procedure
Configure Router A in the IPv4 network
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<RouterA> system-view
[RouterA] interface serial 2/0
[RouterA-Serial2/0] ip address 8.0.0.2 255.255.255.0
[RouterA-Serial2/0] quit
[RouterA] ip route-static 0.0.0.0 0 serial 2/0
Configure Router C in the IPv6 network
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<RouterC> system-view
[RouterC] ipv6
[RouterC] interface serial 2/0
[RouterC-Serial2/0] ipv6 address 2001::2/64
[RouterC-Serial2/0] quit
[RouterC] ipv6 route-static :: 0 serial 2/0
Configure Router B
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# Configure an interface address and enable NAT-PT on the interface.
<RouterB> system-view
[RouterB] ipv6
[RouterB] interface serial 2/0
[RouterB-Serial2/0] ip address 8.0.0.1 255.255.255.0
[RouterB-Serial2/0] natpt enable
[RouterB-Serial2/0] quit
[RouterB] interface serial 2/1
[RouterB-Serial2/1] ipv6 address 2001::1/64
[RouterB-Serial2/1] natpt enable
[RouterB-Serial2/1] quit
# Configure a NAT-PT prefix.
[RouterB] natpt prefix 3001::
# Configure a static IPv4-to-IPv6 mapping.
[RouterB] natpt v4bound static 8.0.0.2 3001::5
# Configure a static IPv6-to-IPv4 mapping.
[RouterB] natpt v6bound static 2001::2 8.0.0.5
Verification
After the above configurations, using the ping 8.0.0.5 command on Router A can
receive responses, and you can view the following NAT-PT session information on
Router B using the display command.
[RouterB] display natpt session all
NATPT Session Info:
No IPV6Source
IPV6Destination
1 3001::0005
2001::0002
Using the ping ipv6 3001::5 command on Router C can receive response packets,
and you can view the following NAT-PT session information on Router B using the
display command.
NAT-PT Configuration Example
IPV4Source
IPV4Destination
^ 0 8.0.0.2
^ 0 8.0.0.5 ^
689
Pro
^ 0 ICMP
0