Configuring Address Translation - 3Com MSR 50 Series Configuration Manual

Configuring Address
Translation
You need to associate an ACL with an address pool, and deal with both IP
addresses and port numbers.
NAT multiple-instance
■
You need to configure vpn instance vpn-instance-name in the rule of an ACL to
specify the MPLS VPN users that need address translation. NAT multiple-instance is
supported on Easy IP, Many-to-many NAT, and NAPT.
Configuring Easy IP
Follow these steps to configure Easy IP:
To do...
Enter system view
Enter interface view
Enable Easy IP by associating the ACL
with the interface IP address
Configuring static NAT
Follow these steps to configure static NAT:
To do...
Enter system view
Configure static NAT
between an internal IP
address and an external IP
address
Enter interface view
Activate static NAT on the
interface
Configuring many-to-many NAT
Follow these steps to configure many-to-many NAT:
To do...
Enter system view
Enter interface view
Enable many-to-many NAT, and associate
an ACL with an IP address pool to translate
IP address alone
Configuring NAPT
Follow these steps to configure NAPT:
To do...
Enter system view
Enter interface view

Configuring Address Translation

Use the command...
system-view
interface interface-type
interface-number
nat outbound acl-number
Use the command...
system-view
nat static { ip-address1 ip-address2 |
net-to-net start-ip end-ip global
global-net-address { mask | mask-length } }
interface interface-type interface-number
nat outbound static
Use the command...
system-view
interface interface-type
interface-number
nat outbound acl-number
address-group
group-number no-pat
Use the command...
system-view
interface interface-type
interface-number
1817
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