Exterior Gateway Protocol (EGP) is BGP predecessor. I doubt that anybody is still running it.
The support for EGP has been removed from IOS, at the same time as IGRP, in the 12.2T train. Therefore support for EGP is not available in 12.3 and up.
Hope this helps,
Regards,
Harold Ritter, CCIE #4168 (EI, SP)
