作者: Jose J. Picazo , Robert P. Zager , Paul Kakul Lee
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摘要: A hub circuit with an integrated bridge carried out in software including a switch for bypassing the process such that two bridged networks effectively become one network. An in-band management is disclosed which receives and executes network commands received as data packets from LANs coupled to hub/bridge. Also, hardware implement isolate mode where would ordinarily be transferred by are not except regardless of they arrived. Also disclosed, packet switching machine having shared high-speed memory multiple ports, port plurality LAN controller chips individual segments Ethernet microprocessor sets up manages receive buffer storing transferring pointers thereto main processor. The processor another analyzes bridging other or forwarding SNMP agent. coordinate manage utilization storage locations memory. Another uplink interface higher speed backbone media FDDI, ATM etc. Speeds rate achieved only moving around opposed itself. double password security feature also implemented some embodiments prevent accidental intentional tampering system configuration settings.