News Release

Enterprise Networking Systems (ENS) Announces $13.8 Million Financing Syndicate, Led by Benchmark Capital, Cisco Systems and Trinity Ventures

ENS Accountability-Based Consulting Service Bridges the
May 17, 1999

ENS Accountability-Based Consulting Service Bridges the GapBetween the Network and Mission-critical Applications

REDWOOD CITY, Calif. -- May 17, 1999 -- Enterprise Networking Systems, Inc.(ENS), a pioneer in the development of next generation network services, todayannounced that it has secured $13.8 million in first-round funding from asyndicate led by Benchmark Capital, with key participation from Cisco Systems,Inc. and Trinity Ventures. The funds will be used to extend the company'sinnovative consulting services, and to assure its position as a leadingconsulting company focused on bridging the gap between mission-criticalapplications and the networks on which they operate.

Steve Farrell, Chairman and CEO of ENS said, "The venture syndicate we areannouncing today gives us the resources and expertise to implement our business strategy with precision, as we rapidly scale to take the lead in this 'nextgeneration' network services marketplace." ENS believes that a new breed or"next generation" of networking services is essential in order to preparecorporate networks for the shift to internet-based connectivity. Data, voiceand video applications require specialized focus to achieve high performancelevels in this new environment, and ENS offers the professional services thatcan help corporations achieve those high performance levels.

John Chambers, President and CEO of Cisco Systems, Inc., commented, "ENS is emerging as one of the leading consulting companies focused on mission critical networks. Their dedication to innovative consulting services and strongcustomer commitment is a terrific example of a New World company." RickJustice, Senior Vice President, Americas, Cisco Systems, will join the ENSboard of directors.

Benchmark Capital General Partner David Beirne said, "Benchmark believes thatthe internet is revolutionizing the role of corporate networks. We'reinvesting in ENS because of the pioneering role they have taken in thesurfacing of the 'next generation' network services requirements and innovativeservices packaging focused on these needs. We believe ENS will emerge as theleading consultancy focused on network services."

About ENS

ENS is the premier provider of advanced services for mission-criticalnetworks. The company applies a complete set of strategic, architectural andoperational services in its engagements, using an accountability-based approachthat provides customers with a clearly defined set of deliverables andfully-scoped work. ENS is a pioneer in the next generation network servicesmarketplace. Headquartered in Redwood City, California, ENS is backed byBenchmark Capital, Cisco Systems, Inc. and Trinity Ventures.

Cisco Systems

Cisco Systems, Inc. (NASDAQ:CSCO) is the worldwide leader in networking for the Internet.

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ENS is a registered trademark of Enterprise Network Systems, Inc.

Cisco, Cisco IOS, Cisco Systems and the Cisco Systems logo are registeredtrademarks of Cisco Systems, Inc. in the U.S. and other countries. All othertrademarks mentioned in this document are the property of their respectiveowners.