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MVP
Posts: 1,409
Registered: ‎05-28-2008

wired port 802.1x + SW behind the port | PC's workstation cant auth,WHY?

Hi Guys,

Spoiler
Spoiler
802.1x Wired port + SW , PC'S cant authenticate

I deployed RAP-155 units in front of 72XX controller and enabled 802.1x on wired port of the unit in order for PC's workstation will be able to connect with 802.1x

Its working like needed,BUT,When connecting SW(switch) to that port,PC's behind the switch port unable to authenticate and faile in authentication.

 

WHY?

Please advise. Attached a Diagram.

6.4.3.5_rap155_fix_note.jpg

Thanks in advance,

 

Me.

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Guru Elite
Posts: 21,556
Registered: ‎03-29-2007

Re: wired port 802.1x + SW behind the port | PC's workstation cant auth,WHY?

That is because 802.1x is "link local" so the first switch that sees an eapol (802.1x) frame has to do something with it, or discard it.  Very few switches are designed to pass through 802.1x frames.  Please see the post here;   http://community.arubanetworks.com/t5/Remote-Networking/wired-802-1-x-authentication/td-p/3198



Colin Joseph
Aruba Customer Engineering

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MVP
Posts: 1,409
Registered: ‎05-28-2008

Re: wired port 802.1x + SW behind the port | PC's workstation cant auth,WHY?

[ Edited ]

:) Love your fast answers,i need faster ADSL connection
:) THANK u for the info

*****************2Plus Wireless Solutions****************************
Aruba Airheads - Powered By community for empower the community
************ Don't Forget to Kudos + me,If i helped you******************
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