Darren,

Thank you for the descriptive text.

I have one additional question: what is a bucket?

Thanks,

Jim Lose
Time Warner Cable

-----Original Message-----
From: Darren Reed [mailto:[EMAIL PROTECTED]
Sent: Tue 4/8/2008 5:51 AM
To: Lose, James
Cc: [email protected]
Subject: Re: ipfstat question
 
Lose, James wrote:
> I'm developing a Big Brother monitoring script that will collect and display 
> the output from the 'ipfstat -s' command, and I'd like to include descriptive 
> text for each of the statistics. Can anyone provide me with brief 
> descriptions of the following statistics?
>
> IP state statistics:
>    TCP
>   
Running total number of TCP states added

>    UDP
>   
Running total number of UDP states added

>    ICMP
>   
Running total number of ICMP states added

>    hits
>   
Running total of the number of times a packet matched state in the table

>    misses
>   
Running total of the number of times a packet did not match state in the 
table

>    maximum
>   
Running total of the number of times adding packet state has failed 
because the state table is too full

>    no memory
>   
Running total of the number of times adding packet state has failed 
because no memory has been available to put new state information in

>    max bucket
>   
Running total of the number of times adding packet state has failed 
because the has chain is at its maximum size

>    active
>   
Current number of live state sessions

>    expired
>   
Running total of state sessions removed from the active table because 
they "timed out" from their current state (all non-TCP plus TCP that 
doesn't "close")

>    closed
>   
Running total of TCP state sessions that close gracefully, as per the RFC.

> State table bucket statistics:
>    in use
>   
Number of top level buckets in the hash table being used

>    bucket usage
>   
The above number as a percentage of the available slots

>    minimal length
>   
Shortest hash bucket chain

>    maximal length
>   
Longest hash bucket chain

>    average length
>   
Average length of the chains in the hash table


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