HP MSR2000/3000/4000 Router Series Layer 3 - IP Services Configuration Guide

124
Ste
p
Command Remarks
5. Configure load sharing
NAT Server.
nat server protocol pro-type global
{ { global-address | current-interface | interface
interface-type interface-number } { global-port |
global-port1 global-port2 } | global-address1
global-address2 global-port } [ vpn-instance
global-name ] inside server-group
group-number [ vpn-instance local-name ] [ acl
acl-number ]
By default, no internal
server exists.
You can configure
multiple load sharing
internal servers on an
interface.
Configuring NAT with DNS mapping
NAT with DNS mapping must operate together with NAT Server and NAT with ALG.
To configure NAT with DNS mapping:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Configure a DNS
mapping for NAT.
nat dns-map domain domain-name
protocol pro-type { interface
interface-type interface-number | ip
global-ip } port global-port
By default, no DNS mapping for NAT
exists.
You can configure multiple DNS
mappings for NAT.
Configuring NAT hairpin
NAT hairpin enables an internal host to access an internal server or another internal host by using NAT
addresses.
NAT hairpin typically operates with NAT Server, outbound dynamic NAT, or outbound static NAT.
To configure NAT hairpin:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Enable NAT hairpin.
nat hairpin enable By default, NAT hairpin is disabled.
Configuring NAT with ALG
Configure NAT with ALG for a specific protocol to analyze and process the payload fields in the
application layer packets.
To configure NAT with ALG: