Motorola Corporation

Cisco Technology, Inc.

Richard C Wade

Michael Jaimie Cooper

Stephen Schroeder

Kenneth John Wante

Gerald R Severson

Keith M Conger

A packet quarantine device receives a data packet over a secure connection having a connection-specific set of security parameters such as an IPsec connection in a virtual private network (VPN) using security associations. The packet quarantine device tests the data packet and if the data packet fails to validate, the packet quarantine device saves the data packet to a storage area along with the set of security parameters used to transmit the data packet. The stored information of the failed packet along with the set of security parameters enables later analysis of the failed packet in order to determine the network condition that produced the failed data packet. The packet quarantine device also generates alerts in response to receiving data packets that fail to validate. The alerts include information obtained from packet analysis.

Method and apparatus for packet quarantine processing over a secure connection

In a system, device, and method for selecting a channel from among a plurality of channels, a number of available channels are selected for testing. A channel quality measurement is made for each of the number of available channels. The channel having the best channel quality measurement is then selected. To make the channel quality measurements, a primary station selects a channel to be tested and also selects a secondary station with which to perform the test. The primary station transmits a control frame to the selected secondary station, including a channel identifier identifying the selected channel. Upon receiving the control frame, the selected secondary station adjusts its transmitter to the selected channel based on the channel identifier in the control frame, and transmits a reference signal on the selected channel. Meanwhile, the primary station adjusts its receiver to the selected channel and receives the reference signal from the selected secondary station. The primary station then measures the quality of the received reference signal.

System, device, and method for selecting a channel in a multichannel communication network

A switch including an elongated tubular base member having a plurality of ring shaped insulators and conductors alternately mounted thereon and having threads formed in the outer surface thereof. A switching control ring having mating threads in the inner surface thereof and a conducting surface in sliding engagement with the outer surface of the ring shaped insulators and conductors so that switching action occurs as the control ring is moved axially along the structure. The elongated tubular base member operates as a housing to receive electronic circuitry therein, which circuitry may be sealed so that the assembled apparatus provides external switching for the internal circuitry of a hermetically sealed unit.

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Scottsdale, AZ, United States of America

Richard C Wade