EXHIBIT 10.8

                               SUBLEASE AGREEMENT

This Sublease dated as of September 1, 2000 is made between Nortel Networks
(CALA) Inc., a Florida corporation ("Sublandlord"), and Convergent Networks
Inc., a Delaware corporation ("Subtenant").

                                   Background

A.   Sublandlord is the tenant under the Lease dated on or about January 15,
     1998, a copy of which is attached hereto as Exhibit A and hereby made a
     part hereof ("Master Lease"), wherein Sawgrass Center Associates, as
     landlord ("Master Landlord"), leased to Sublandlord the entire fourth,
     third, and second floors and a portion of the first floor, consisting of
     approximately 73,876 rentable square feet, of certain real property known
     as the Corporate Centre at Sawgrass, Phase II, located at 1571 Sawgrass
     Corporate Parkway, Sunrise, FL 33323 ("Master Premises").

B.   Sublandlord and Subtenant now wish to enter into a sublease of a portion of
     the premises covered by the Master Lease, on the terms and conditions of
     this Sublease.

NOW, THEREFORE, the parties agree as follows:

1.   PREMISES

     Sublandlord hereby subleases to Subtenant on the terms and conditions set
     forth in this Sublease a portion of the Master Premises, consisting of the
     entire fourth floor, as highlighted on the floorplan attached hereto as
     Exhibit B ("Premises"), of the Master Premises, consisting of approximately
     24,090 rentable square feet. No later than five days after the date of this
     Sublease, Sublandlord shall provide Subtenant with drawings of the Premises
     (including voice and data wiring layouts) and a CAD disk of the
     improvements in the Premises. The sublease of the Premises includes
     Subtenant's use, at no charge, of the furniture (the "Furniture"), wiring,
     and other existing improvements in the Premises. The Furniture will be
     delivered in an "as is" condition, however Sublandlord will assign any
     warranty rights, if such rights are assignable and are available.

2.   TERM

     The term of this Sublease shall commence, as to occupancy, on or about
     September 1, 2000, or as soon thereafter as this Sublease is signed by both
     parties hereto and approved by the Master Landlord ("Commencement Date");
     with rent payments and payments on account of Operating Expense, to
     commence on December 1, 2000 (the "Rent Commencement Date"). The term shall
     continue until January 14, 2004, unless terminated prior to such date
     pursuant to the terms hereof. Sublandlord shall use reasonable efforts to
     assist Subtenant in requesting a term renewal from the Master Landlord.


3.   RENT

     Commencing on the Rent Commencement Date, Subtenant shall pay to
     Sublandlord as base monthly rent for the Premises, without deduction,
     offset, notice, or demand, at 1500 Concord Terrace, Sunrise, FL 33323,
     attn.: Manuel Gonzalez, or at such other place as Sublandlord shall
     designate from time to time by notice to Subtenant, the annual sum of
     $14.50 per rentable square foot, equal to $29,108.75 per month ("Base
     Monthly Rent"). This base rent shall increase at a rate of 3% per year,
     compounded annually, effective on December 1, 2001, and on December 1 of
     each year thereafter during the term of this Sublease. This Base Monthly
     Rent shall be paid each month by Subtenant during the term and shall be
     paid in advance on or before the first day of each calendar month during
     said period.

4.   NET LEASE; OPERATING EXPENSES

     Commencing on the Rent Commencement Date, Subtenant shall pay to
     Sublandlord Subtenant's percentage share for all insurance, taxes, building
     operating costs and any other charges, fees, assessments or expense's
     payable by Sublandlord under the Master Lease ("Operating Expenses").
     "Subtenant's percentage share" shall be one hundred percent 100%) of all
     such Operating Expenses attributed to the Premises (estimated for year 2000
     to be $7.95 per rentable square foot, excluding janitorial expenses which
     are to be borne by Subtenant). Sublandlord shall pass through to Subtenant
     Subtenant's Percentage Share of all Operating Expenses charged to
     Sublandlord as and when billed by Master Landlord, for the 4th floor
     Premises, subject to all caps and exclusions per the Master Lease.
     Subtenant shall pay Subtenant's percentage share of Operating Charges as
     estimated from time to time by Master Landlord (subject to late adjustment)
     as additional rent. Unless otherwise specified, all payments of Subtenant's
     percentage share of Operating Expenses shall be payable in full on the date
     that the next installment of base monthly rent is payable.

5.   INSURANCE

     Subtenant shall also be obligated to carry any insurance required under the
     Master Lease covering the Premises or any tenant or subtenant improvements
     therein with any liability insurance naming Sublandlord as an additional
     insured. In addition, Subtenant shall carry insurance for the fully
     insurable amount covering all of Subtenant's personal property on the
     Premises. All insurance obtained by Subtenant shall contain a waiver of
     subrogation clause in favor of Sublandlord and Master Landlord. All
     property insurance obtained by Sublandlord and Master Landlord shall
     contain a waiver of subrogation clause in favor of Subtenant.

6.   SECURITY DEPOSIT

     Subtenant shall pay to Sublandlord a security deposit in the amount of
     $116,435.00 ($58,217.50 of which may be provided in the form of a letter of
     credit from a financial institution reasonably acceptable to Sublandlord)
     upon execution of this Sublease as security for full performance of all
     obligations of this Sublease. Subtenant shall be

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     required to leave the Premises in broom clean condition and in the same
     condition as of the commencement of this Sublease, normal wear and tear
     excepted, or Sublandlord may appropriate all or part of this deposit to
     repair any damage to the Premises. If Subtenant is not in default
     hereunder. Sublandlord shall return the deposit, if any remains, to
     Subtenant within thirty (30) days after the Sublease terminates.
     Sublandlord shall not be required to keep this deposit separate from its
     general funds, and Subtenant is not entitled to interest.

7.   USE OF PREMISES

     The Premises shall be used and occupied in accordance with the Use of
     Premises provision in the Master Lease.

8.   ASSIGNMENT AND SUBLETTING

     Subtenant shall not assign this Sublease or further sublet all or any part
     of the Premises without the prior written consent of Sublandlord and of
     Master Landlord, which the consent of either or both may be withheld for
     any reason in their respective discretion; provided, however, that
     Sublandlord shall not unreasonably withhold its consent with respect to
     assignments or sublets to Subtenant's affiliates.

9.   PROVISION OF SERVICES

     No services are currently included in base rent except for any provided by
     Master Landlord to Sublandlord under the Master Lease. If Sublandlord
     furnishes the Premises with any additional services upon request of
     Subtenant, Sublandlord shall charge Subtenant the out of pocket cost of
     providing such additional service, and Subtenant shall pay the additional
     charge within thirty days after billing by Sublandlord.

10.  CONDITION OF PREMISES; TRADE FIXTURES

     Subtenant accepts the Premises in their "as is" condition as of the
     Commencement Date, provided that the Premises shall be (a) broom clean, (b)
     contain the Furniture and other improvements located therein on the date of
     this sublease, and (c) vacant. Subtenant shall have the right to furnish
     and install any trade fixtures that are necessary for the conduct of its
     business; provided, however, that at the termination of this Sublease,
     Subtenant shall, if required by Sublandlord, remove such trade fixtures and
     restore the Premises at Subtenant's sole cost to the state and condition in
     which they existed on the Commencement Date, ordinary wear and tear
     excepted. If Subtenant fails to comply with the provisions of this
     paragaph, Sublandlord may make such repairs or restoration, and the
     reasonable cost thereof shall be additional rent payable by Subtenant on
     demand. All trade fixtures shall be and remain the property of Subtenant,
     provided that any such trade fixtures remaining on the Premises after the
     expiration or termination of the term hereof shall be deemed abandoned by
     Subtenant and shall, at Sublandlord's option, become the property of
     Sublandlord without payment therefor.

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11.  ALTERATIONS AND IMPROVEMENTS

     Sublandlord shall have no obligation to make any alterations or
     improvements to the Premises for Subtenants use or occupancy thereof.
     Subtenant shall have the same rights to make alterations as granted to
     Sublandlord under the Master Lease, subject to Sublandlord's approval which
     shall not be unreasonably withheld. Any alterations and additions to the
     Premises made by Subtenant shall be at Subtenant's expense and shall be
     made in accordance with the Master Lease, and shall be subject to prior
     written approval of Sublandlord and Master Landlord to the extent required
     under the Master Lease. Sublandlord shall not unreasonably withhold its
     consent to any alterations. Subtenant shall bear any costs charged by
     Master Landlord in reviewing Subtenant's alterations or
     plans/specifications for same. At Sublandlord's option, all alterations,
     additions and improvements (except for movable trade fixtures) shall be and
     remain the property of Sublandlord upon installation and shall be
     surrendered to Sublandlord upon the termination of this Sublease, or shall
     be removed by Subtenant and the Premises restored to their condition on the
     Commencement Date pursuant to the Master Lease. If Master Landlord requires
     such removal and restoration and Subtenant fails to comply, Sublandlord may
     do so and the reasonable cost thereof shall be additional rent payable by
     Subtenant on demand.

     Subtenant desires to build out within the Premises, a "computer lab."
     Should the plans and specifications for such computer lab be acceptable to
     Sublandlord, consistent with the terms of this section, then Sublandlord
     will use reasonable efforts to assist Subtenant in obtaining the approval
     of the Master Landlord, and to obtain any necessary plans for the Premises
     or the building where the Premises are located.

12.  SUBORDINATION TO MASTER LEASE

     This Sublease shall at all times be subject and subordinate to the terms
     and provisions of the Master Lease except as otherwise expressly set forth
     herein. Except as otherwise set forth in this Sublease and except for
     Sections 1.1(a), 1.1(b), 1.3 and 1.4 of the Master Lease, all of the terms
     and conditions contained in the Master Lease are hereby incorporated herein
     by this reference as terms and conditions of this Sublease, with each
     reference to Lessor and Lessee (or Landlord and Tenant, as applicable)
     therein to be deemed to refer to Sublandlord and Subtenant respectively
     herein. Unless mutually agreed upon by Sublandlord and Subtenant in
     writing, Sublandlord covenants and agrees that Sublandlord shall not enter
     into any modification or other agreement with respect to the Master Lease
     which would materially adversely effect the use by Subtenant of the
     Premises in accordance with the terms of this Sublease. Subject to the
     foregoing sentence, unless mutually agreed upon by Sublandlord and
     Subtenant in writing, Sublandlord covenants and agrees that Sublandlord
     shall not enter into any modification or other agreement with respect to
     the Master Lease which would materially adversely affect the use by
     Subtenant of the Premises in accordance with the terms of this Sublease.
     Sublandlord shall have the right but shall not be obligated to agree with
     the Master Landlord to any amendment to the Master Lease which the
     Sublandlord in its discretion deems to be appropriate, without the approval
     of the Subtenant. Sublandlord shall give Subtenant written notice of any
     such amendment, and such amendment shall be deemed to be binding on
     Subtenant hereunder.

     Upon the breach of any of the terms, conditions or covenants of the Master
     Lease or upon the failure of Subtenant to pay rent or comply with any of
     the provisions of this

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     Sublease, after Subtenant has received prior written notice and had an
     opportunity to cure, Sublandlord may exercise any and all rights and
     remedies granted to Master Landlord by the Master Lease. In the event that
     Subtenant breaches any of the terms conditions or covenants of this
     Sublease or of the Master Lease and fails to remedy such breach within
     fifteen (15) days of written notice, Sublandlord has the right, but not the
     obligation, to cure such breach and bill Subtenant for the costs incurred
     thereby, which costs Subtenant shall pay to Sublandlord upon demand.
     Subtenant shall not commit or suffer any act or omission that will violate
     any of the provisions of the Master Lease. If the Master Lease terminates,
     this Sublease shall terminate and the parties shall be relieved of any
     further liability or obligation under this Sublease; provided '. however,
     that Subtenant shall pay to Sublandlord all sums due and accrued under this
     Sublease as of the termination date.

13.  INDEMNITY

     Each party shall indemnify and hold harmless the other from liability,
     losses, damage, claims, suits or actions, judgments and expenses,
     (including reasonable attorney's fees) which may arise or grow out of
     injury to or death of any person or damage to any tangible property caused
     by the negligence or willful misconduct of such party, its agents,
     employees, or contractors. In case either party shall without fault on its
     part be made a party to any litigation commenced by or against such party
     for which it is to be indemnified hereunder, then the other party shall
     protect and hold harmless and pay all costs, penalties, charges, damages,
     expenses, and reasonable attorney's fees incurred or paid by the party
     indemnified hereunder.

14.  HOLDING OVER

     If Subtenant, with Sublandlord's and Master Landlord's written consent,
     remains in possession of the Premises or any part thereof after the
     expiration or other termination of the term hereof, such occupancy shall be
     a tenancy at sufferance at a rental in the amount of one hundred and fifty
     percent (150%) of the last monthly base rent installment and Operating
     Expenses, and upon all the other provisions of this Sublease pertaining to
     the obligations of Subtenant. Notwithstanding anything to the contrary
     herein, Subtenant shall pay to Sublandlord all costs incurred by
     Sublandlord as a result of Subtenant's holding over.

15.  ATTORNEYS' FEES

     If Sublandlord or Subtenant shall commence an action against the other
     arising out of or in connection with this Sublease, the prevailing party
     shall be entitled to recover its costs of suit and reasonable attorneys'
     fees.

16.  NOTICES OR DEMANDS

     Except as otherwise provided herein, all notices or demands herein provided
     to be given or made, or which may be given or made by either party to the
     other, shall be in writing and shall be deemed to have been duly given and
     made when deposited in the United States mail, certified mail, return
     receipt requested, postage prepaid and addressed as set

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     out below, or when deposited with a recognized and established overnight
     delivery service, return receipt requested, freight prepaid and addressed
     as set out below:

             To Sublandlord:    Nortel Networks (CALA) Inc.
                                1500 Concord Terrace
                                Sunrise, FL 33323
                                Attn: Manuel Gonzalez

             To Subtenant:      Convergent Networks Inc.
                                900 Chelmsford Street
                                Tower E
                                Lowell, MA 01851
                                Attn.: Robert Chow, General Counsel

     Notices shall be deemed received and effective upon receipt as evidenced by
     the U.S. Postal Service return receipt card or upon delivery by a
     nationally recognized overnight courier. The address to which notices or
     demands may be given or made by either party may be changed by written
     notice given by such party to the other pursuant to this paragraph.

17.  DISCLAIMER OF CONSEQUENTIAL DAMAGES

     In no event shall Master Landlord or Sublandlord and/or any of their
     respective affiliates, including without limitation any corporations or
     other entities controlling, controlled by or under common control with any
     of them, be liable for any consequential damages suffered by Subtenant in
     connection with any breach of this Sublease or otherwise.

18.  MASTER LANDLORD'S CONSENT

     Promptly following the execution and delivery of this Sublease by Landlord
     and Subtenant, Sublandlord shall submit this Sublease to Master Landlord
     and use reasonable efforts to obtain Master Landlord's consent.

19.  CHOICE OF LAW

     This Sublease shall be governed by the laws of the State of Florida, except
     for its conflict of law rules.

20.  ENTIRE AGREEMENT

     This Sublease, along with any exhibits and attachments hereto and the
     Master Lease, constitutes the entire agreement between Sublandlord and
     Subtenant relative to the Premises, and this Sublease and the exhibits and
     attachments may be altered, amended or revoked only by an instrument in
     writing signed by both Sublandlord and Subtenant and consented to by Master
     Landlord. Sublandlord and Subtenant agree hereby that all prior or
     contemporaneous oral agreements between and among themselves and their
     agents and representatives relative to the subleasing of the Premises are
     merged in or revoked by this Sublease.

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21.  SUCCESSORS AND ASSIGNS

     This Sublease shall inure to the benefit of and be binding upon the
     respective heirs, administrators, executors, successors and assigns of the
     parties hereto; provided, however, that this provision shall not be
     construed to allow an assignment or subletting which is otherwise
     specifically prohibited herein.

22.  SECTION AND PARAGRAPH HEADINGS

     The section and paragraph headings are included only for the convenience of
     the parties and are not part of this Sublease and shall not be used to
     interpret the meaning of provisions contained herein or the intent of the
     parties hereto.

23.  WARRANTY BY SUBTENANT

     Subtenant agrees to comply with and abide by all of the terms and
     conditions of this Sublease and the Master Lease (including the terms of
     the Master Lease incorporated herein by reference). Where the terms and
     conditions of the Master Lease are contradictory to the terms and
     conditions of this Sublease, the terms of the Sublease shall apply.

24.  WARRANTY BY SUBLANDLORD

     Sublandlord warrants and represents to Subtenant that Sublandlord has no
     knowledge of any claim that Sublandlord is in default or breach of any of
     the provisions of the Master Lease, and that all rent and other charges
     under the Master Lease have been paid through September 31, 2000.

25.  SIGNAGE

     Subtenant shall be permitted to display its name and logo in the elevator
     lobby and entry doors on the 4 th floor. Subtenant shall also be provided
     with a portion of the Building's monument sign to display its name and/or
     logo, subject to Master Landlord's approval.

26.  SATELLITE DISH AND FIBER OPTICS

     Subject to Master Landlord's and Sublandlord's (Sublandlord's approval not
     to be unreasonably withheld) approval, Subtenant, at its expense, shall
     have the right to install satellite dishes and fiber optics equipment on
     the roof or ground of the building, with all necessary cables, wires,
     transformers, etc. at any time during the term of the Sublease. Said
     installation will conform to all applicable laws, codes, ordinances, etc.
     Subtenant shall indemnify Master Landlord and Sublandlord for any and all
     costs arising from the installation, maintenance, existence and removal of
     any such dishes and equipment.

27.  PARKING

     Subtenant shall have all parking rights provided to Sublandlord by the
     Master Lease, proportionate to the Subtenant's share of the Master
     Premises.

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28.  ACCESS

     Subject to the terms of the Master Lease, Subtenant shall have access to
     the Premises 24 hours per day, seven days per week, 365/6 days per year.

IN WITNESS WHEREOF, the parties have caused this Sublease to be signed by their
duly authorized representatives to be effective on the date first set out above.

Sublandlord:                             Subtenant:
NORTEL NETWORKS (CALA INC.               CONVERGENT NETWORKS INC.


By:    Marcia Mosquera                   By:
Name:  Assistant Secretary               Name:
                                         Title:

Name:  Joe Dearing
Title: Assistant Secretary

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