Monitoring NAT

The J-Web interface provides information about Network Address Translation (NAT).

This section contains the following topics:

Monitoring Incoming Table Information

To view Network Address Translation table information, select Monitor>NAT>Incoming Table in the J-Web interface, or enter the following CLI command:

show security nat incoming-table

Table 53 summarizes key output fields in the incoming table display.

Table 53: Summary of Key Incoming Table Output Fields

Field	Values	Additional Information
Incoming Table Summary
In use	Number of entries in the NAT table.
Maximum	Maximum number of entries possible in the NAT table.
Entry allocation failed	Number of entries failed for allocation.
Destination	Destination IP address and port number.
Host	Host IP address and port number that the destination IP address is mapped to.
References	Number of sessions referencing the entry.
Timeout	Timeout, in seconds, of the entry in the NAT table.
Source-pool	Name of source pool where translation is allocated.

Monitoring Source NAT Information

To view the source Network Address Translation (NAT) summary table and the details of the specified NAT source address pool information, select Monitor>NAT>Source NAT in the J-Web interface, or enter the following CLI commands:

show security nat source-nat summary
show security nat source-nat pool pool-name

Table 54 summarizes key output fields in the source NAT display.

Table 54: Summary of Key Source NAT Output Fields

Field	Values	Additional Information
Source NAT Summary Table
Pool Name	Name of the source pool.
Address Low	Starting IP address of one address range in the source pool.
Address High	Ending IP address of one address range in the source pool.
Interface	Name of the interface on which the source pool is defined.
PAT	Whether Port Address Translation (PAT) is enabled (Yes, or No).
Source NAT Pool Specific Summary: pool-name
Address	IP address in the source pool.
Interface	Name of the interface on which the source pool is defined.
Status	Status of the IP address: Active—Denotes that the IP address is in use. This status applies only to source NAT without Port Address Translation (PAT). Free—IP address is available for allocation.
Single Ports	Number of allocated single ports.
Twin Ports	Number of allocated twin ports.
PAT	Whether PAT is enabled (Yes or No).