Patents Assigned to Gigamon LLC.
-
Publication number: 20140204747Abstract: A method for use to configure a network switch device to implement a traffic flow configuration, the network switch device having a plurality of network ports and a plurality of instrument ports, the method includes: receiving instrument port information that identifies one or more of the instrument ports for the traffic flow configuration, wherein the instrument port information is received by a processing unit; receiving network port information that identifies one or more of the network ports for the traffic flow configuration; receiving traffic information that identifies one or more network traffic for the traffic flow configuration, wherein the traffic information is received after the instrument port information is received or after the network port information is received; and storing the instrument port information, the traffic information, and the network port information in association with each other to implement the traffic flow configuration.Type: ApplicationFiled: January 22, 2013Publication date: July 24, 2014Applicant: GIGAMON LLCInventors: Jay Han YU, Patrick Pak Tak LEONG
-
Publication number: 20140029451Abstract: A method of monitoring virtualized network includes receiving information regarding the virtualized network, wherein the information is received at a port of a network switch appliance, receiving a packet at a network port of the network switch appliance, and using the received information to determine whether to process the packet according to a first packet processing scheme or a second packet processing scheme, wherein the first packet processing scheme involves performing header stripping, and performing packet transmission to one of a plurality of instrument ports at the network switch appliance after the header stripping, each of the instrument ports configured for communicatively coupling to a network monitoring instrument, and wherein the second packet processing scheme involves performing packet transmission to one of the plurality of instrument ports at the network switch appliance without performing any header stripping.Type: ApplicationFiled: July 27, 2012Publication date: January 30, 2014Applicant: Gigamon LLCInventor: Hung Nguyen
-
Publication number: 20130272135Abstract: A method of monitoring network traffic includes accessing a network that includes a controller and a switch device having a flow table, wherein the controller is communicatively coupled to the switch device, and is configured to program a behavior of the switch device through an openflow protocol, and obtaining information regarding the programmed behavior of the switch device, wherein the act of obtaining the information is performed by a network appliance that is communicatively coupled to the network. An apparatus communicatively coupled to a network, includes a processor configured for accessing the network that includes a controller and a switch device having a flow table, wherein the controller is communicatively coupled to the switch device, and is configured to program a behavior of the switch device through an openflow protocol, and obtaining information regarding the programmed behavior of the switch device.Type: ApplicationFiled: April 11, 2012Publication date: October 17, 2013Applicant: Gigamon LLCInventor: Patrick Pak Tak LEONG
-
Publication number: 20130201984Abstract: A method of packet processing includes receiving a packet at one of a plurality of network ports at a switch device, tagging the packet with a first identification, tagging the packet with a second identification, using a first table to determine a first set of output port identifications based at least in part on the first identification, using a second table to determine a second set of output port identifications based at least in part on the second identification, and performing a logical operation using the first set of output port identifications and the second set of output port identifications to identify one or more of a plurality of output ports at the switch device.Type: ApplicationFiled: February 3, 2012Publication date: August 8, 2013Applicant: GIGAMON LLCInventor: Ning Wang
-
Publication number: 20130156029Abstract: The present invention relates to a packet switch and a packet switching method. An example embodiment of the present invention comprises at least three network ports, at least one instrument port, a mux-switch, a packet switch fabric, and an address table. The embodiment updates the address table to include the source address of each ingress packet of each network port and associate the source address with that network port. The mux-switch routes the ingress packet traffic of each network port according to the identity of the network port so that at least a copy of the packet traffic of one of the network ports is routed to an instrument port. The packet switch fabric routes the packets from the instrument ports to the network ports according the destination address of the packet and the identity of the network port that is associated with the destination address as recorded in the address table.Type: ApplicationFiled: February 12, 2013Publication date: June 20, 2013Applicant: GIGAMON LLCInventor: GIGAMON LLC
-
Patent number: 8391286Abstract: The present invention relates to a packet switch and a packet switching method. An example embodiment of the present invention comprises at least three network ports, at least one instrument port, a mux-switch, a packet switch fabric, and an address table. The embodiment updates the address table to include the source address of each ingress packet of each network port and associate the source address with that network port. The mux-switch routes the ingress packet traffic of each network port according to the identity of the network port so that at least a copy of the packet traffic of one of the network ports is routed to an instrument port. The packet switch fabric routes the packets from the instrument ports to the network ports according the destination address of the packet and the identity of the network port that is associated with the destination address as recorded in the address table.Type: GrantFiled: August 27, 2010Date of Patent: March 5, 2013Assignee: Gigamon LLCInventors: Tom Gallatin, Denny K. Miu, King L. Won, Patrick Pak Tak Leong, Ted C. Ho
-
Patent number: 8386846Abstract: A network switch apparatus includes a housing, a first network port, a second network port, a first instrument port, an active component inside the housing, wherein the active component is configured to receive packets from the first network port, and pass at least some of the packets from the first network port to the first instrument port, a connector for supplying power from a power supply to the active component, and a backup power supply for supplying power to the active component when the active component does not receive power from the power supply.Type: GrantFiled: May 6, 2010Date of Patent: February 26, 2013Assignee: Gigamon LLCInventor: Thomas Kwok Yin Cheung
-
Publication number: 20130034107Abstract: A packet switch appliance includes a plurality of ports. One of the plurality of ports is configured to operate as a network port connected to a packet-switching network. Another of the plurality of ports is configured to operate as a first instrument port connected to a network instrument. To filter packets, one or more packets or copies of packets received through the first network port are examined prior to the packets or copies of packets being sent out the first instrument port to determine a current state of a state-based protocol, which includes a plurality of potential states. A filter is created or modified for the first network port or the first instrument port based on the determined current state of the state-based protocol.Type: ApplicationFiled: October 10, 2012Publication date: February 7, 2013Applicant: GIGAMON LLCInventor: GIGAMON LLC
-
Publication number: 20130010613Abstract: A packet switch system includes a packet switch appliance having a first network port configured to receive packets, and a first instrument port configured to communicate with a network monitoring tool, a storage system for storing the packets, and an integrated circuit configured to retrieve the packets from the storage system, and retroactively transmit the packets to the first instrument port in a play-back configuration in response to a user's command.Type: ApplicationFiled: July 6, 2011Publication date: January 10, 2013Applicant: GIGAMON LLCInventors: Dominick CAFARELLI, Patrick Pak Tak LEONG
-
Patent number: 8315256Abstract: A packet switch appliance includes a plurality of ports. One of the plurality of ports is configured to operate as a network port connected to a packet-switching network. Another of the plurality of ports is configured to operate as a first instrument port connected to a network instrument. To filter packets, one or more packets or copies of packets received through the first network port are examined prior to the packets or copies of packets being sent out the first instrument port to determine a current state of a state-based protocol, which includes a plurality of potential states. A filter is created or modified for the first network port or the first instrument port based on the determined current state of the state-based protocol.Type: GrantFiled: April 17, 2008Date of Patent: November 20, 2012Assignee: Gigamon LLCInventors: Patrick Pak Tak Leong, King L. Won, Jeff Sternin
-
Publication number: 20120257635Abstract: A packet switch device for providing visibility of traffic in a network includes a housing, a processing unit located in the housing, a first network port communicatively coupled to the processing unit, wherein the first network port is configured to communicate with the network, a second network port communicatively coupled to the processing unit, wherein the second network port is configured to communicate with the network, and at least one instrument port communicatively coupled to the processing unit, the at least one instrument port configured to communicate with a first network monitoring instrument, wherein the processing unit is configured to support a movement of packets from one or both of the first and second network ports to the at least one instrument port.Type: ApplicationFiled: May 25, 2012Publication date: October 11, 2012Applicant: Gigamon LLCInventors: Tom GALLATIN, Denny K. MIU, King L. WON, Patrick Pak Tak LEONG, Ted HO
-
Publication number: 20120243533Abstract: Packets can be intelligently sliced by removing irrelevant portions of a packet, while retaining relevant portions. For a series of network packets, a packet is obtained from the network. The packet includes at least a header, one or more packet fields, and a first data payload. The protocol of the packet is determined. Once the protocol is known, the packet header is parsed to determine the position of the first data payload. Based on the determine positions of the first data payload, a modified packet is created by removing or masking the first data payload.Type: ApplicationFiled: June 5, 2012Publication date: September 27, 2012Applicant: Gigamon LLCInventor: Patrick Pak Tak LEONG
-
Patent number: 8270845Abstract: A device for processing data being optically transmitted via a LRM connection includes an optical splitter for splitting an input signal into a first output signal and a second output signal, the optical splitter having an operating wavelength with a value that is between 1260 nm and 1355 nm, wherein the optical splitter has an input end for receiving the input signal, a first output end for outputting the first output signal, and a second output end for outputting the second output signal.Type: GrantFiled: February 17, 2009Date of Patent: September 18, 2012Assignee: Gigamon LLCInventors: Thomas K. Cheung, King L. Won, Patrick P. Leong
-
Patent number: 8208494Abstract: Packets can be intelligently sliced by removing irrelevant portions of a packet, while retaining relevant portions. For a series of network packets, a packet is obtained from the network. The packet includes at least a header, one or more packet fields, and a first data payload. The protocol of the packet is determined. Once the protocol is known, the packet header is parsed to determine the position of the first data payload. Based on the determine positions of the first data payload, a modified packet is created by removing or masking the first data payload.Type: GrantFiled: December 3, 2008Date of Patent: June 26, 2012Assignee: Gigamon LLCInventor: Patrick Pak Tak Leong
-
Publication number: 20120023340Abstract: A network switch apparatus includes a network switch housing, a first network port, a second network port, a first instrument port configured to communicate with a monitoring tool, wherein the first instrument port comprises a first power over Ethernet port configured to receive power, a transformer coupled to the first instrument port, and an active component inside the network switch housing, wherein the active component is configured to receive packets from the first network port, and pass at least some of the packets from the first network port to the first instrument port.Type: ApplicationFiled: July 23, 2010Publication date: January 26, 2012Applicant: GIGAMON, LLC.Inventor: Thomas Kwok Yin CHEUNG
-
Publication number: 20110211443Abstract: A network switch apparatus includes a first network port, a second network port, a first inline port, a second inline port, wherein the first and second inline ports are for communication with a pass-through device, a packet switch, and a by-pass device configured to operate in a first mode of operation, wherein in the first mode of operation, the by-pass device is configured to pass a first packet received at the first network port to the packet switch. The by-pass device is configured to switch from the first mode of operation to a second mode of operation upon an occurrence of a condition, and wherein in the second mode of operation, the by-pass device is configured to transmit a second packet received at the first network port to the second network port without passing the second packet to the packet switch.Type: ApplicationFiled: February 26, 2010Publication date: September 1, 2011Applicant: GIGAMON LLCInventors: Patrick Pak Tak Leong, Thomas Kwok Yin Cheung
-
Publication number: 20110058566Abstract: A packet switch appliance for connection to a packet switching network, the packet switch appliance has a motherboard that includes a processor, a network switch chip, and a connector. The packet switch appliance also includes a daughter board configured to be removably connected to the motherboard through the connector. The daughter board may include one or more of a network switch chip and a processor unit.Type: ApplicationFiled: November 11, 2010Publication date: March 10, 2011Applicant: GIGAMON LLC.Inventors: Patrick Pak Tak LEONG, Thomas Kwoh Yin CHEUNG, King L. WON, Ted C. HO
-
Publication number: 20110044349Abstract: The present invention relates to a packet switch and a packet switching method. An example embodiment of the present invention comprises at least three network ports, at least one instrument port, a mux-switch, a packet switch fabric, and an address table. The embodiment updates the address table to include the source address of each ingress packet of each network port and associate the source address with that network port. The mux-switch routes the ingress packet traffic of each network port according to the identity of the network port so that at least a copy of the packet traffic of one of the network ports is routed to an instrument port. The packet switch fabric routes the packets from the instrument ports to the network ports according the destination address of the packet and the identity of the network port that is associated with the destination address as recorded in the address table.Type: ApplicationFiled: November 4, 2010Publication date: February 24, 2011Applicant: GIGAMON LLC.Inventors: Tom GALLATIN, Denny K. MIU, King L. WON, Patrick Pak Tak LEONG, Ted HO
-
Patent number: 7889748Abstract: A packet switch appliance includes a plurality of ports. One of the plurality of ports is configured to operate as a network port connected to a packet-switching network. To map the network port of the packet switch appliance, a port map is created. The port map includes a first map rule, which has a first criterion and a first action, and at least a second map rule, which has a second criterion and a second action. The port map is assigned to the network port. When an ingress packet is received from the packet-switching network through the network port, the port map is applied to the ingress packet.Type: GrantFiled: February 2, 2007Date of Patent: February 15, 2011Assignee: Gigamon LLC.Inventors: Patrick Pak Tak Leong, King L. Won, Ted Ho
-
Patent number: 7848326Abstract: A packet switch appliance for connection to a packet switching network, the packet switch appliance has a motherboard that includes a processor, a network switch chip, and a connector. The packet switch appliance also includes a daughter board configured to be removably connected to the motherboard through the connector. The daughter board may include one or more of a network switch chip and a processor unit.Type: GrantFiled: April 25, 2007Date of Patent: December 7, 2010Assignee: Gigamon LLC.Inventors: Patrick Pak Tak Leong, Thomas K. Y. Cheung, King L. Won, Ted C. Ho