Black Box LRU4240 - Manual (Page 158)

146 SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide
Dual Trunk E1 Router
Command Mode: Config
Example
ip nat
Use the ip nat to enable or disable NAT for each physical interface.
Command Syntax:
ip nat [enabled | disabled]
Global parameter enabling or disabling NATfeature.
ip nat IFNAME [nat | napt | two-way-nat] [enabled | disabled]
To specify and enable the type of nat per interface port.
Command Mode: Config
Examples
Enable nat on NET1 port and disable NAT on Ethernet port and NET2.
Unit(config)#ip nat net1 enabled
Unit(config)#ip nat net2 disabled
Unit(config)#ip nat enet disabled
Unit(config)#ip nat enabled
ip nat global
Use the ip nat global to configure the public IP addresses (Global) used by NAT for the private ip addresses (local-addr).
Command Syntax:
ip nat global A.B.C.D/M IFNAME
A.B.C.D/M: Global registered IP address with subnet mask
IFNAME the interface port [net1 | net2 | bundle0 | enet0] on which the global IP address is used
ip nat global clear: Clear the NAT global Map table
Command Mode: Config
Example
ip nat local-addr
Use the ip nat local-addr to configure the networks that require NAT translation. Refer to Menu-$C Local address table for more
information.
Command Syntax:
ip nat local-addr A.B.C.D/M IFNAME
A.B.C.D/M: Local IP Network and subnet to translate
IFNAME the interface port [net1 | net2 | bundle0 | enet0] to which the the local IP network is attached.
ip nat local-addr clear: Clear the local address table
Command Mode: Config
Example
ip nat static
Use the ip nat static to configure static NAT one-to-one mapping of global IP address to local IP addresses.Static NAT
corresponds to menu-$JB NAT Static table.
Command Syntax:
ip nat static A.B.C.D A.B.C.D IFNAME
A.B.C.D Local IP address to translate
A.B.C.D Translated IP address
IFNAME the [net1 | net2 | bundle0 | enet0] interface port
ip nat static clear: Clear Static NAT table
Command Mode: Config
ip route