News Release

Pilot Network Services Teams with Cisco for Security, Performance

Leading Secure Internet Service Provider Selects End-to-End Cisco IOS Technologies
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Jun 10, 1997



SAN JOSE, Calif. - June 10, 1997 - Cisco Systems, Inc. today announced that Alameda,Calif.-based Pilot Network Services, Inc. will standardize on Cisco IOS(TM) software and newhigh-performance hardware technologies to further enhance security, reliability and performanceacross Pilot's portfolio of secure Internet access, hosting and Virtual Private Network (VPN)services.

By standardizing on Cisco technologies, Pilot will extend service performance and networkreliability and obtain additional information about usage patterns to further enhance thesecurity of its industry-leading secure networking solutions. Pilot's services, backed by thecompany's Dynamic Firewall technology, protect corporate networks and Web sites by constantlyscanning network events for attack patterns and dynamically implementing new defensesthroughout Pilot's nationwide secure network.

Network enhancements provided by Cisco include RSP4 and VIP2 technology which boostsperformance by providing higher throughput rates and offloading switching and other tasksnormally performed by the router CPU. Pilot will increase the reliability of its network bystandardizing on Catalyst(R) 5000 switches, which enable sophisticated traffic isolation and hotredundancy capabilities. In addition, Cisco will provide Pilot with Netflow(TM) Switching, whichallows highly granular tracking and management of customer traffic.

"Cisco's leading-edge technologies enable Pilot to extend our dynamic security protection withhigh performance to our rapidly expanding corporate client base," said Marketta Silvera, chiefexecutive officer of Pilot. "Advanced information and increased performance from our networkwill enable innovative new services to customers within the Pilot secure networkinfrastructure."

"Pilot is a recognized innovator in the Internet marketplace today," said Jon Shantz , vicepresident of service provider marketing at Cisco. "We are pleased to have been selected toprovide these critical components for their infrastructure."

About Pilot Network Services

Pilot Network Services, Inc. is a leading provider of advanced Internet security for business.Pilot is the first Secure ISP and offers Internet security services, including secure Internetconnectivity; Secure Telecommuting; secure Web, FTP, and News Hosting services; userauthentication and encryption; and Corporate Partner Privacy. Services are protected by thePilot Dynamic Firewall, which is continually updated to defend against evolving attacktechniques. Headquartered in Alameda, Calif., the privately held company has Secure NetworkService Centers in the San Francisco Bay Area, Los Angeles, New York and Chicago. Informationis available at http://www.pilot.net.

Cisco Systems

Cisco Systems, Inc. (NASDAQ: CSCO) is the worldwide leader innetworking for the Internet. at http://www.cisco.com.

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The Pilot Dynamic Firewall is a trademark of Pilot Network Services,Inc. Cisco IOS is a trademark, and Cisco, Cisco Systems, and the Cisco Systems logo areregistered trademarks of Cisco Systems, Inc. in the U.S. and certain other countries. All othertrademarks mentioned in this document are the property of their respective owners.