HP VPN Firewall Appliances NAT and ALG Configuration Guide

53
Task Command Remarks
Display NAT444 dynamic IP-port
mappings.
display nat444 dynamic-ip-port-block Available in any view.
NAT444 configuration examples
Network requirements
NAT444 gateways can be designed in a MAN with BRASs or core routers (CRs) through bypass mode
to interconnect an IPv4 network with an IPv6 network.
• Bypass BRAS
Figure 37 A BRAS with 1 to n NAT444 gateways network diagram
• Bypass core router
MAN
CR-1 CR-2
BRAS SR BRAS
NAT444-1
NAT444-2
Bridging users
Routing users
a) Distributed bypass NAT444
MAN
CR-1 CR-2
BRAS SR BRAS
Bridging users
Routing users
b) Distributed inserted card NAT444
NAT444
IPv6 network
IPv4 network IPv6 network
IPv4 network