Hi Carl
EAP Over Lan (EAPOL) are the packets sent by the client that is using 802.1x i believe. It is pretty simple to setup on your switch but you will require a radius server.
This can be MS IAS, free radius or cisco ACS Server. You can download a try of the ACS server from the dl section.
You should take a look at the IBNS SRND which covers the protocol and different authentication methods.
http://www.cisco.com/application/pdf/en/us/guest/netsol/ns656/c654/ccmigration_09186a00805eea83.pdf
I am not sure which switch you are using but this is the 802.1x guide for a 3560:
http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_44_se/configuration/guide/sw8021x.html
HTH
Matt
