Displaying nat translation – Brocade Virtual ADX Security Guide (Supporting ADX v03.1.00) User Manual

Page 84

Advertising
background image

72

Brocade Virtual ADX Security Guide

53-1003250-01

Displaying NAT information

4

Displaying NAT translation

To display the currently active NAT translations, enter the following command.

Syntax: show ip nat translation

NOTE

You can enter this command only when you rconsole in to a BP. The command is not supported on
the Main Processor CPU.

h

The value following "h:" refers to the head of the port pool for the IP address
in the IP NAT pool. The head indicates the location in the port pool where the
next port will be allocated from.

t

The value following "t:" refers to the tail of the port pool for the IP address in
the IP NAT pool. The tail indicates the location in the port pool where the next
port will be freed from.

T

The value following "T:" refers to the total number of ports in the port pool for
that IP address in the IP NAT pool.

f

The value following "f:" refers to the number of free ports in the port pool for
this IP address.

TABLE 5

Display fields for show ip nat translation

This field...

Displays...

Pro

When PAT is enabled, this field indicates the protocol NAT is using to uniquely
identify the host. NAT can map the same IP address to multiple hosts and use
the protocol port to distinguish among the hosts. This field can have one of the
following values:

tcp – In addition to this IP address, NAT is associating a TCP port with the
host on the private network.

udp – In addition to this IP address, NAT is associating a UDP port with the
host on the private network.

Inside global

The Internet address mapped to the private address listed in the Inside local
field for inside NAT.

Inside local

The private address mapped to the Internet private address listed in the Inside
global field for inside NAT.

Outside global

The destination of the traffic. If PAT is enabled, the TCP or UDP port also is
shown.
NOTE: Outside NAT is not supported.

Outside local

The destination of the traffic. If PAT is enabled, the TCP or UDP port also is
shown.
NOTE: Outside NAT is not supported.

TABLE 4

Display fields for show ip nat statistics (Continued)

This field...

Displays...

Virtual ADX

(1/1)#show ip nat translation

Pro Inside global Inside local Outside local Outside global

tcp 10.1.1.92:11021 10.1.1.2:32784 192.168.1.1:23 192.168.1.1:23

Advertising