Cisco ACS 4.2 Max Auth/Autentication devices limit.

Answered Question
Aug 17th, 2010

Hi guys.

Anyone can clarify me how many devices can an ACS 4.2 work with TACACS+ ?.

Is there any limit?, and if exists, which is it and where does Cisco publishes it.

Spent a whole morning and no success reaching for the info.

Ty in advance.

Carlos.

I have this problem too.
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Correct Answer by Waris Hussain about 6 years 3 months ago

Hi,

I did a search for this and based of that i found that ACS 4.2 Solution can support up 35000 device. Here is the link  from which I got the information :

http://www.cisco.com/en/US/prod/collateral/vpndevc/ps5712/ps5338/qa_c67-453393.html

An appliance-based Cisco Secure ACS server follows  at a minimum the same scalability performance of a Windows-based Cisco  Secure ACS server. Cisco Secure ACS guidelines and performance analysis  show that each ACS server can support anywhere from 20,000 to 80,000  users per server and can scale to support up to 35,000 devices,  depending on configuration, platform, and usage scenarios

However internal we have also seen it is recomended  to use 500 device per NDG.

I hope this helps.

Thanks

Waris Hussain.

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Correct Answer
Waris Hussain Tue, 08/17/2010 - 11:24

Hi,

I did a search for this and based of that i found that ACS 4.2 Solution can support up 35000 device. Here is the link  from which I got the information :

http://www.cisco.com/en/US/prod/collateral/vpndevc/ps5712/ps5338/qa_c67-453393.html

An appliance-based Cisco Secure ACS server follows  at a minimum the same scalability performance of a Windows-based Cisco  Secure ACS server. Cisco Secure ACS guidelines and performance analysis  show that each ACS server can support anywhere from 20,000 to 80,000  users per server and can scale to support up to 35,000 devices,  depending on configuration, platform, and usage scenarios

However internal we have also seen it is recomended  to use 500 device per NDG.

I hope this helps.

Thanks

Waris Hussain.

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