Authentication process when roaming using PEAP ?

carl_townshend — Mon, 05 Jul 2021 18:57:56 GMT

Hi All

Can anyone tell me how the auth process works by default when roaming between access points using PEAP?

Does it reauth each time it goes to a new AP? or does the controller cache the authenticated session up until the session timeout?

What is session resumption used for? where is this set?

Also what is a good session timeout value in radius? we have ours set to one hour.

Many thanks

Carl

Re: Authentication process when roaming using PEAP ?

JPavonM — Wed, 22 Apr 2020 14:26:29 GMT

Hi Carl,

No it's not. Client doesn't need to the whole EAP process again. Only 4-way handshake is doen between client and AP

More information can be found here.

https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/116493-technote-technology-00.html#anc12

Regardinfg the timers for session timeout, I use to configure corporate sessions timeout for 24 hours, but for BYOD and guest devices only 30 minutes for them to reauthenticate.

HTH
-Jesus

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Authentication process when roaming using PEAP ?

Re: Authentication process when roaming using PEAP ?