1
Anthony J Li, Bruce A Cole: Standby router protocol. Cisco Systems Incorporated, Hickman & Beyer, December 5, 1995: US05473599 (536 worldwide citation)

A system and protocol are provided for routing data packets from a host on a LAN through a virtual address belonging to a group of routers. The host is configured to point to the virtual address so that the packets it sends out of its LAN are always directed to a virtual router which may be any one ...


2
Gregory G Raleigh, Vincent K Jones IV, Michael A Pollack: Spatio-temporal processing for communication. Cisco Systems, Ritter Van Pelt & Yi, November 7, 2000: US06144711 (460 worldwide citation)

A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or multiple receiver antenna elements, or multiple polarizations of a single transmitter antenna element and/or single receiver antenna element. Th ...


3
Tom Edsall, Norman Finn: Interswitch link mechanism for connecting high-performance network switches. Cisco Systems, Cesari and McKenna, April 21, 1998: US05742604 (332 worldwide citation)

An encapsulation mechanism efficiently transports packets between ports of different switches in a network on the basis of, inter alia, virtual local area network (VLAN) associations among those ports. The switches are preferably interconnected by a novel interswitch link (ISL) mechanism that append ...


4
Leonard Bosack: Method and apparatus for routing communications among computer networks. Cisco Systems, Lyon & Lyon, February 11, 1992: US05088032 (290 worldwide citation)

An improved method and apparatus for routing data transmissions among computer networks. The computer networks are interconnected with a series of gateway circuits. Each gateway identifies all destination computers to which it is connected and identifies the path or paths to each destination compute ...


5
Mario Mazzola, Tom Edsall, Luca Cafiero: Address translation mechanism for a high-performance network switch. Cisco Systems, Cesari and McKenna, April 14, 1998: US05740171 (274 worldwide citation)

An address translation mechanism quickly and efficiently renders forwarding decisions for data flames transported among ports of a high-performance switch on the basis of, inter alia, virtual local area network (VLAN) associations among the ports. The translation mechanism comprises a plurality of f ...


6
Dino Farinacci, Robert Albrightson: Reliable transport protocol for internetwork routing. Cisco Systems, D Alessandro & Ritchie, May 21, 1996: US05519704 (264 worldwide citation)

A reliable transport protocol, suitable for routing protocols, that works with unicast transmission and multicast transmission, and an improved routing protocol based thereon. Multicast transmissions can be interspersed with unicast transmissions in situations where some of the receivers have receiv ...


7
Hon W Chin, Frederick Scott: Extended domain computer network using standard links. Cisco Systems, Cesari and McKenna, April 1, 1997: US05617421 (253 worldwide citation)

A method for establishing and maintaining virtual network domains in a segmented computer network having a first domain and a second domain. A first table entry for a first endstation in a first forwarding table of a first switching fabric circuit is created. The first table entry includes domain in ...


8
Gregory G Raleigh, Vincent K Jones IV, Michael A Pollack: Spatio-temporal processing for interference handling. Cisco Systems, Ritter Lang & Kaplan, September 17, 2002: US06452981 (237 worldwide citation)

A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or multiple receiver antenna elements, or multiple polarizations of a single transmitter antenna element and/or single receiver antenna element. Th ...


9
Hon Wah Chin, Michael Fine, Norman W Finn, Richard J Hausman: Port aggregation protocol. Cisco Systems, Cesari & McKenna, September 28, 1999: US05959968 (219 worldwide citation)

A port aggregation protocol (PAGP) dynamically aggregates redundant links between two neighboring devices in a computer network through the exchange of aggregation protocol data unit (AGPDU) frames between the two devices. Each AGPDU frame contains a unique identifier corresponding to the device sou ...


10
Mark A Lenney, Hon W Chin: Computer network switching system with expandable number of ports. Cisco Systems, Cesari and McKenna, October 1, 1996: US05561669 (202 worldwide citation)

A switching fabric circuit that provides on-the-fly switching of packets, an expandable number of ports, and the interconnection of heterogeneous LAN segments. The switching fabric circuit includes a switching link that comprises a switching bus and a plurality of packet processors, wherein each pac ...