Cisco Technology, Inc.

Prasanthi Somepalli

Krishnam Raju Datla

Srinivasa Beereddy

Praveen Vengalam

Parthasarathy Venkatavaradhan

Chandrasekhar Guntakala

Syntax and semantic validation of network commands use a command database that has been learned automatically for validation of the syntax and the semantics of command line interface commands by interpreting the network commands as the network commands are entered to identify syntax errors or semantic errors before applying the same commands on a device of interest.

Method and apparatus for configuration syntax and semantic validation

Information flow between network elements in a network enables a management system to capture a security knowledge base and to perform a static analysis of the network. In one embodiment, a method for performing a network security audit based on information flows among network elements comprises the machine-implemented steps of obtaining a network inventory that identifies one or more network elements of a packet-switched network; determining how information packets flow through the one or more network elements; determining a first threat level for each of the one or more network elements; determining a second threat level for the network as a whole; and providing a report of a network security audit based on the first and second threat levels.

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San Jose, CA, United States of America

Prasanthi Somepalli