Hewlett-Packard Development Company, L.p.

Peter C Zwetkof

Srikanth Natarajan

Dipankar Gupta

David M Rhodes

Kam Chooi Wong

Wei Wen Chen

An automated method for ascertaining interconnectivity in a network comprises operating a customer edge device at a site that is physically linked with at least one provider edge router and communicates directly with peer sites via a virtual private network (VPN) connection. Inter-site connectivity is discovered among a plurality of customer edge devices in the network and effective communication paths among the plurality of customer edge devices across geographically distributed sites are presented.

Detecting and identifying connectivity in a network

Router misconfiguration diagnosis is disclosed. A notification of a routing failure between a first node and a second node is received. A first interface associated with the first node is identified, and a second interface associated with the second node is identified. A first management information value and a second management information value, specific to a routing protocol, are determined. Matching status is determined between the first and second management information values. A diagnostic message is generated responsive to the notification.

Router misconfiguration diagnosis

A system and method for communicating between a management station and at least two networks having duplicate Internet Protocol (IP) addresses. An IP address for an IP data packet to be sent to at least one of an end device and the management station is recognized. A header of the IP data packet with a tag that identifies one of the duplicate IP networks within which the end device resides is modified. The IP data packet is routed, based on the tag, in accordance with a policy.

Growing community of inventors

Ft. Collins, CO, United States of America

Peter C Zwetkof