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Juniper Networks Routers Achieve Metro Ethernet Forum Certification to Deliver Carrier Ethernet Services

Juniper's M- and T-Series Support the Latest Specifications from Leading Ethernet Industry Consortium

SUNNYVALE, Calif., October 17th, 2006 - Juniper Networks, Inc. (NASDAQ: JNPR) today announced that Iometrix, an independent testing lab, has certified that the Juniper M- and T-Series routers are able to deliver Carrier Ethernet services based on the Metro Ethernet Forum (MEF) technical specifications MEF 9 and MEF 14 for scalability and Quality of Service (QoS).

"Carrier Ethernet, a part of the broader IP infrastructure, is the means by which most operators will deliver their next-generation multiplay services including video, gaming and others," said Shailesh Shukla, vice president of Service Provider Marketing and Partnerships, Juniper Networks. "This announcement further demonstrates that our flagship routing platforms can deliver the open and agile interoperability that service providers building best-in-class networks are demanding."

The MEF's Carrier Ethernet Certification Program is designed to ensure that global equipment and services comply with MEF standards and pave the way for eventual interoperability. MEF 9 tests the conformance of Ethernet Services at the User-Network Interface (UNI) where the Subscriber and Service Provider portions of the network meet. MEF 9 defines a series of tests to verify that Services delivered to the Subscriber across the UNI are conformant to MEF technical specifications. MEF 14 provides solid QoS backed by Service Level specifications for Carrier Ethernet services, enabling service providers to deliver Service Level Agreements (SLAs) to their corporate customers. MEF 14 also provides performance and QoS metrics for multiplay services including video. By certifying its compliance with these specifications, Juniper's routing platforms have demonstrated interoperability with other equipment required to deliver these advanced services.

Powered by the JUNOS operating system, Juniper Networks routers are recognized as the industry's leading platforms for sophisticated IP routing applications. They support the industry's most comprehensive VPN portfolio, combined with the ability to simultaneously support existing and emerging Layer 2 and Layer 3 services. The M- and T-series platforms deliver superior scalability, offering a clear 40 Gbps migration path and, with the modular TX matrix platform, a seamless upgrade to multi-terabit capacity.

With advanced high availability features, such as Graceful Restart and Fast Re-route, and sharing the modular JUNOS operating system, the platforms deliver complete fault-tolerance and consistent operations throughout all platforms. The high-performance routing platforms provide high density Ethernet aggregation at the network core, and advanced, fine-grained quality of service (QoS) functionality at the interface level, enabling providers to efficiently introduce new, high-value services over Ethernet while concurrently enabling reduced capital and operational costs.

About The Metro Ethernet Forum

The Metro Ethernet Forum (MEF) is a global industry alliance comprising of more than 80 organizations including telecommunications service providers, network equipment/software manufacturers, semiconductors vendors and testing organizations. The MEF's mission is to accelerate the worldwide adoption of Carrier-class Ethernet networks and services. The MEF develops Carrier Ethernet technical specifications and implementation agreements to promote interoperability and deployment of Carrier Ethernet worldwide.

For more information about the Forum, including a complete listing of all current MEF members, please visit the MEF web site at www.MetroEthernetForum.org.

About Juniper Networks, Inc.

Juniper Networks develops purpose-built, high performance IP platforms that enable customers to support a wide variety of services and applications at scale. Service providers, enterprises, governments and research and education institutions rely on Juniper to deliver a portfolio of proven networking, security and application acceleration solutions that solve highly complex, fast-changing problems in the world's most demanding networks. Additional information can be found at www.juniper.net.

Juniper Networks and the Juniper Networks logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries. JUNOS is a registered trademark of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.