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Calculating throughput for ASA

Is there a way that I can tell how much throughput I actually need when purchasing an ASA? I have about 5000 users, and it's easy for me to say that I need 1.2gbps, but is there a better way?

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<br />Thanks!

<br />John

HTH, John *** Please rate all useful posts ***
2 REPLIES

Re: Calculating throughput for ASA

John,

There are various tools such as iperf and mrtg/prtg that can assist you in determining the appropriate sized appliance for your network.

Your Cisco Account Manager and SE should also be available to assist you in making this determination.

Hope this helps.

Community Member

Re: Calculating throughput for ASA

This doesnt specifically answer your question, but it does list the performance of the different models:

http://www.cisco.com/web/partners/tools/quickreference/index.html

As far as bieng able to tell how much bandwidth you are using, it is difficult to answer without knowing what type of device(s) you are currently using. I would probably start by trying to collect snmp or netflow data if your device supports it. There are a lot of good free tools that will collect usage stats via snmp. Most use RRDTOOL, some I have used are MRTG, Cacti, and NMIS. Do a quick google and try one out.

*Please rate if helpful

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