Verifying NAT Statistics

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-Njruber and type ai active translations

-NAT-an a bled Interfaces

The show ip nat statistics command displays the number and type of active translations in the system. This number is incremented each time a translation is created and is decremented each time a translation is cleared or times out. The number of expired translations is also provided. Other information displayed by this command includes:

■ Interfaces that are NAT-enabled using the ip nat {inside | outside} command.

■ Hits and misses: Number of times a translation table lookup is performed and an entry is either found (hit) or an entry is not found and a new entry must be created (miss).

■ Dynamic translation configuration and statistics. These are described in the table here.

Output Field

Description

Inside Source

The information that follows is about an inside source translation.

access-list

Access list number being used for the translation.

pool

Name of the pool (in this case, dyn-nat).

refcount

Number of translations using this pool.

netmask

IP network mask being used in the pool.

start / end

Starting / ending IP address in the pool range.

t-YPe

Type of pool. Possible types are generic or rotary.

total addresses

Number of addresses in the pool available for translation.

allocated

Number of addresses being used.

misses

Number of failed allocations from the pool.

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