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The eduroam consortium is media-agnostic and welcomes wired eduroam. Wired eduroam works a lot like wireless - instead of an Access Point with 802.1X support, an eduroam SP needs a wired switch with that same 802.1X support. The SP configures it to authenticate the physical port users to the same RADIUS server that his access points do, too (i.e. the switch becomes a RADIUS client for the eduroam SP RADIUS server) - and that's all, the switch is then part of the eduroam infrastructure proper without further changes needed.
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When connecting to eduroam, users are usually made aware that the network they are connecting to is an eduroam network - simply by observing the SSID "eduroam" occuring on their computing device. In wired IEEE 802.1X networks, the concept of SSIDs does not exist. The user needs to plug in his device and try to connect in the usual way (using his supplicant, the usual EAP configuration and his eduroam credentials) - which will work on the configured eduroam ports, but not at any other network ports. eduroam Service Providers are advised to give clear indication which ports in a building are eduroam ports and which are not. One means to achieve this is by putting an eduroam logo besides the ports in question, or announcing the existence of eduroam on a building's wired ports on a signpost near the entrance to the building.
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