CABLETRON UNVEILS TOKEN RING SWITCHING STRATEGY

Signs OEM Agreement With Nashoba Networks For Stackable Token Ring Switch

Rochester, NH -- April 24, 1995 -- Cabletron Systems (NYSE: CS) today
unveiled its strategy for integrating token ring switching throughout its
complete line of intelligent switching hubs. In support of its Synthesis
framework, the plan provides a strategic solution for migrating Token Ring
users from traditional networking infrastructures to switched-based
virtual internetworks.

In a related announcement, Cabletron also unveiled its OpenSNA strategy for
merging existing SNA networks with switched virtual network
infrastructures. The OpenSNA strategy merges both new and existing
products under Cabletron's Synthesis framework to provide cost-effective
solutions for remote, regional and corporate applications.

Through internally developed technology, as well as a strategic technology
partnership agreement with Nashoba Networks, Cabletron offers token ring
customers increased performance, simplified management and reduced
cost-of-ownership. The strategy reduces complexity by allowing customers
to fully apply switching technology and management tools throughout the
enterprise, without having to replace existing wiring infrastructures and
network interface cards.

"Cabletron has strategically positioned itself to migrate token ring
accounts to new switched virtual networking capabilities," said Melissa
Morales, analyst, Datapro Information Services Group. "With over 80,000
MMAC chassis in the field, Cabletron is also the only vendor that has
committed to develop Token Ring switching capabilities for its existing
installed base of intelligent hubs."

Under Cabletron's OEM agreement with Nashoba, Cabletron will OEM Nashoba's
Concord Token Ring switch, an 8/16 port device for both backbone and
workgroup switch applications. The switch will be private-labeled,
marketed and directly supported by Cabletron as the TSX-1620, with a 90
day availability and per-port cost of $1,600 (U.S. dollars).

The TSX-1620 is one of the first Token Ring switches to offer enhanced
network management through SNMP and RMON, as well as optional redundant
fan and power supply features normally found in modular chassis.

To address high-end, data center switching applications, Cabletron will
develop a multiport Token Ring switch for the MMAC-Plus. Based on the
company's Intel i960-based PLUS Architecture, the module will reside on
the MMAC-Plus' high- speed, Internal Network Bus (INB) backplane. Token
Ring switching for the MMAC-Plus will be available by the first half of
1996.

For the company's Multi Media Access Center (MMAC) chassis, Cabletron is
internally developing a multiport switch, which will provide modular
uplinks to high speed networking technologies including FDDI and ATM.
Token Ring switching for the MMAC will be available by the end of 1995.

All of Cabletron's Token Ring switching products will be manageable under
the company's SPECTRUM for Open Systems enterprise management platform,
with virtual LAN capabilities provided under the company's Virtual Network
Services and SecureFast Switching framework.

MARKET OVERVIEW

Recent surveys conducted by Sage Research, a Boston-based research firm,
state that 85 percent of respondents expect to grow their campus token
ring networks over the next 18-24 months. Over 60 percent of respondents
indicated plans to implement token ring switching.

According to International Data Corporation (IDC, Analysis of Intelligent
Hub Market, May 1994), token ring connections are projected to grow to an
installed base of 19.6 million by 1998.

Headquartered in Rochester, NH, Cabletron Systems employs over 4,900 people
and is the worldwide modular hub market leader (Dataquest; July 1994).
Cabletron is ISO 9001-certified and develops, manufactures and markets
Ethernet, FDDI, Token Ring and ATM internetworking products and enterprise
network management software based on its Synthesisframework. Cabletron now
directly services more than 70,000 customer sites around the globe and
provides 7 x 24 support coverage, with free phone support during normal
business hours.

Cabletron's common stock is traded on the New York Stock Exchange under the
symbol CS. The company recently reported record revenue of $810.7 million
and earnings of $162 million for the fiscal year 1995.

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