Limit on number of uauth users for a pix 515

[wilkiek]

I have a PIX 515 authenticating and authorising against a Cisco Secure ACS server for outgoing internet connections (using the web prompt). For scaling purposes i need to know what the max number of concurent sessions is for these types of users. I know there is a 16 user limit on concurrent authorisation processes(the process of logging in first) but once they are logged in, is there any limit?

[jsivulka · Accepted solution]

Once logged in, the number of connections are limited by the number of concurrent connections that a PIX can handle. For example, the PIX 515-E can handle a maximum of 130,000 concurrent connections.