Patents by Inventor Gurinderjit Chahal

Gurinderjit Chahal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dual-purpose uplinks used in a fault-tolerant stack
    Patent number: 7787363
    Abstract: A fault-tolerant stack of low cost switches each having only two dual-purpose uplinks is enabled by utilizing a specified topology for connecting the uplinks and implementing a recovery algorithm on each switch.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: August 31, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Charles T. Yager, James W. Edwards, III, Craig A. Zimmerman, Gurinderjit Chahal
  • Performing simplified troubleshooting procedures to isolate connectivity problems
    Patent number: 7774447
    Abstract: A method and apparatus for implementing troubleshooting of a network connectivity problem between a client computer coupled to a local switch and an end point on the network utilizes a client_proxy module instantiated on the local switch. The module automatically runs a series of tests utilizing the IP and MAC addresses of the client computer source addresses and reports the results of the tests.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: August 10, 2010
    Assignee: Cisco Technology, Inc.
    Inventors: Gurinderjit Chahal, Shashi Kumar
  • Wireless network that provides location information when queried by a client device
    Publication number: 20070294226
    Abstract: An apparatus and method of providing location information to a client device connected to a wireless access network are disclosed. The wireless access network includes a plurality of access nodes, and each access node has location information. A plurality of the access nodes receive a query from the client device, the query being directed to a common IP address, wherein the common IP address is shared amongst the plurality of access nodes. One of the access nodes responds to the query, by providing the location information to the client device.
    Type: Application
    Filed: June 14, 2006
    Publication date: December 20, 2007
    Inventors: Gurinderjit Chahal, Amalavoyal Chari
  • Method and system for performing simplified troubleshooting procedures to isolate connectivity problems
    Publication number: 20070255733
    Abstract: A method and apparatus for implementing troubleshooting of a network connectivity problem between a client computer coupled to a local switch and an end point on the network utilizes a client-Proxy module instantiated on the local switch. The module automatically runs a series of tests utilizing the IP and MAC addresses of the client computer source addresses and reports the results of the tests.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 1, 2007
    Inventors: Gurinderjit Chahal, Shashi Kumar
  • Method and system for managing a network device using a slave USB interface
    Publication number: 20070255868
    Abstract: A network device includes a USB slave port for connection to a computer to allow configuration and management of the network device utilizing the plug and play capability of interfaces defined by the USB standard.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 1, 2007
    Inventors: Gurinderjit Chahal, Shashi Kumar
  • Method and system for upgrading a software image
    Publication number: 20070256067
    Abstract: A system and method of upgrading a software image on a device that automatically saves information regarding important settings on the device prior to the upgrade. The same set of information is obtained after the upgrade and compared with stored information to determine whether any changes have occurred due to activating the upgrade. The results of the comparison are reported to a user.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 1, 2007
    Inventors: Gurinderjit Chahal, Shashi Kumar
  • Dual-purpose uplinks used in a fault-tolerant stack
    Publication number: 20060186926
    Abstract: A fault-tolerant stack of low cost switches each having only two dual-purpose uplinks is enabled by utilizing a specified topology for connecting the uplinks and implementing a recovery algorithm on each switch.
    Type: Application
    Filed: January 21, 2005
    Publication date: August 24, 2006
    Inventors: Charles Yager, James Edwards, Craig Zimmerman, Gurinderjit Chahal