An integrated Ethernet PHY/MAC apparatus having a single link partner capability
register shared between a PHY and a corresponding MAC, which implements IEEE Standard
302.3, including IEEE Standards 802.3u and 802.3x. Apparatus also includes plural
PHYs, each having a corresponding MAC integrably coupled therewith such that an
integrated multi-port Ethernet device is realized. A network consists of at least
one integrated Ethernet PHY/MAC device having a single link partner capability register.