Daniel M O'Keeffe

Modification of tag fields in Ethernet data packets

TCP control packet differential service

Stackable network unit including register for identifying trunk connection status of stacked units

Port mirroring across a trunked stack of multi-port communication devices

Network switch including hysteresis in signalling fullness of transmit queues

Synchronising databases in stacked network units

Rules engine for access control lists in network units

Content addressable memory organized to share entries between different entities such as ports of a network unit

Method for synchronizing databases in stacked network units

Stackable network unit including registers for identifying stack members and trunk ports