Arista Networks, Inc.

Cisco Technology, Inc.

Big Switch Networks, Inc.

Robert Ling

Sandip K Shah

Shudong Zhou

Ryan Izard

Scott Phuong

Sunil Bhagia

Yu Xu

A packet forwarding network may include switches that forward network packets between end hosts. A monitoring network may be coupled to the forwarding network. A controller may control switches in the monitoring network to forward network packets tapped from the forwarding network to one or more packet recorders. The packet recorders may store the tapped packets and the controller may query the stored packets at a later time. The controller may analyze queried packets to monitor the operation of the packet forwarding network and, if desired, to display graphical visualizations associated with the packet forwarding network. If desired, the controller may instruct the packet recorders to replay the tapped packets to network visibility tools through the monitoring network. The controller may coordinate storage and query operations across multiple packet recorders using the monitoring network so that the packet storage capacity and recording rate may be scaled up over time.

Systems and methods for controlling switches to record network packets using a traffic monitoring network

A method for updating a policy by a policy manager, that includes selecting, by the policy manager, a policy entry that includes an input and an implementation, performing a validation on the policy entry, making a first determination, based on the validation, that the implementation was not successful, and updating the policy, based on the first determination, to match the input.

Systems and methods for validating, maintaining, and visualizing security policies

A method for analyzing a pair of domain name system (DNS) packets, the method comprising: extracting a portion of a request DNS packet to obtain extracted request DNS information, wherein the extracted request DNS information comprises a first timestamp generated by the edge network device, obtaining a response DNS packet, extracting at least a portion of the response DNS packet to obtain extracted response DNS information, wherein the extracted response DNS information comprises a second timestamp generated by the edge network device, after the obtaining, processing the extracted request DNS information and extracted response DNS information to obtain processed information, wherein the processed information comprises a roundtrip time derived from the first timestamp and the second timestamp, and transmitting the processed information to a monitoring system, wherein the pair of DNS packets are not transmitted to the monitoring system.

Domain name system analysis on edge network devices

Techniques are provided to adjust network settings for network connectivity resources used by a host server. A network card device, coupled to the host server, receives instructions to adjust network settings associated with the host server. Power is received from the host server at the network card device in order to allow the network card device to configure the network settings while the host server is in a standby mode. The network card device receives commands to adjust the network settings while the host server is in the standby mode.

Configuring host network parameters without powering on a host server

Techniques presented herein provide approaches for out-of-band host management via a management controller. In one embodiment, the management controller provides an application programming interface (API) specifying one or more functions for managing one or more applications executing on a host computer. The one or more functions may be invoked by a requesting entity.

Growing community of inventors

San Jose, CA, United States of America

Robert Ling