VOTING AGREEMENT

      VOTING AGREEMENT,  dated as of September 30, 1999 (this  "Agreement"),  by
and between Netrix  Corporation,  a Delaware  corporation (the  "Company"),  and
Steven T.  Francesco,  the holder (the  "Holder") of shares of the common stock,
par value $.05 per share (the "Company Shares"), of the Company.

                                   WITNESSETH:

      WHEREAS,  the  Company  and  OpenROUTE  Networks,  Inc.,  a  Massachusetts
corporation ("OpenROUTE"), propose to enter into an Agreement and Plan of Merger
dated as of the date  hereof (the  "Merger  Agreement";  capitalized  terms used
herein  and not  otherwise  defined  are used  herein as  defined  in the Merger
Agreement),  pursuant to which  OpenROUTE will be merged (the "Merger") with and
into the Company,  and each of the outstanding  shares of OpenROUTE common stock
will be converted  into the right to receive one share of the common stock,  par
value $.05 per share,  of the Company,  pursuant to and in  accordance  with the
terms and conditions set forth in the Merger Agreement;

      WHEREAS, the Holder, individually or as trustee or custodian, is the owner
of Company Shares (the "Subject Shares"); and

      WHEREAS,  as a condition of its entering  into the Merger  Agreement,  the
Company has requested that the Holder agree, and the Holder has agreed,  to vote
the  Subject  Shares and to grant the Company an  irrevocable  proxy to vote the
Subject Shares upon the terms and subject to the conditions set forth herein.

      NOW, THEREFORE, in consideration of the promises and the mutual agreements
and covenants  hereinafter set forth,  and intending to be legally bound hereby,
the parties hereto hereby agree as follows:

      1.  AGREEMENT  TO VOTE SHARES.  At every annual or special  meeting of the
shareholders of the Company and at every  continuation  or adjournment  thereof,
and on every action or approval by written  consent of the  shareholders  of the
Company in lieu of any such  meeting,  the  Holder:  (i) shall vote the  Subject
Shares in favor of  approval  of the  Merger  Agreement  and the  Merger and any
matter that could  reasonably  be expected to  facilitate  the Merger;  and (ii)
shall vote the  Subject  Shares  against  any  proposal  made in  opposition  to
consummation of the Merger.

      2. IRREVOCABLE  PROXY.  Concurrently with the execution of this Agreement,
the Holder is delivering  to the Company a proxy in the form attached  hereto as
Exhibit A, which shall be irrevocable to the full extent  permitted by law, with
respect to the Subject Shares.





      3.  REPRESENTATIONS  AND  WARRANTIES  OF THE  HOLDER.  The  Holder  hereby
represents and warrants to the Company that:

     (a)  This Agreement has been duly executed and delivered by the Holder, and
          is the legal, valid and binding obligation of the Holder;

     (b)  No  consent  of  any  court,   governmental  authority,   beneficiary,
          co-trustee  or other person is necessary for the  execution,  delivery
          and performance of this Agreement by the Holder;

     (c)  The  Subject  Shares  are owned  free and clear of any  pledge,  lien,
          security interest,  charge,  claim, equity or encumbrance of any kind,
          other than this Agreement;

     (d)  The Holder has the present  power and right to vote all of the Subject
          Shares; and

     (e)  Except as  provided  herein,  the  Holder  has not:  (i)  granted  any
          power-of-attorney  or other  authorization or interest with respect to
          any of the Subject  Shares;  (ii)  deposited any of the Subject Shares
          into a voting  trust;  or (iii)  entered into any voting  agreement or
          other  arrangement  with  respect to the voting of any of the  Subject
          Shares.

      4.  REPRESENTATIONS  AND  WARRANTIES OF  THE  COMPANY.  The Company hereby
represents and warrants to the Holder that:

     (a)  This  Agreement  has been duly  executed and delivered by the Company,
          and is the legal, valid and binding obligation of the Company;

     (b)  No  consent  of  any  court,   governmental  authority,   beneficiary,
          co-trustee  or other person is necessary for the  execution,  delivery
          and performance of this Agreement by the Company; and

     (c)  All of the Subject Shares have been duly authorized and validly issued
          and are fully paid and nonassessable.

      5.  COVENANTS OF THE HOLDER.  The Holder hereby agrees and covenants  that
any shares of capital stock of the Company  (including  Company Shares) that the
Holder  purchases  or with  respect  to  which  the  Holder  otherwise  acquires
beneficial  ownership  after  the  date  of  this  Agreement  and  prior  to the
termination of this Agreement pursuant to Section 8 shall be considered "Subject
Shares" and subject to each of the terms and conditions of this Agreement.

      6.  COVENANTS OF  THE  COMPANY.  The Company  hereby  agrees and covenants
that:





      (a)   The Company  will not, and will cause its stock  transfer  agent not
            to,  register the transfer of any of the Subject Shares on the stock
            transfer  ledger of the Company at any time prior to the termination
            of this Agreement pursuant to Section 8; and

      (b)   The Company  agrees that any shares of capital  stock of the Company
            (including  the Company  Shares)  that the Holder  purchases or with
            respect to which the Holder otherwise acquires beneficial  ownership
            after the date of this  Agreement  and prior to the  termination  of
            this  Agreement  pursuant to Section 8 shall be considered  "Subject
            Shares"  and  subject  to each of the terms and  conditions  of this
            Agreement.

      7. ADJUSTMENT UPON CHANGES IN  CAPITALIZATION. In the event of any changes
in   the   Company   Shares   by   reason   of   stock   dividends,   split-ups,
recapitalizations,  combinations, exchanges of shares or the like, the number of
Subject Shares shall be adjusted appropriately.

      8.  TERMINATION. This Agreement shall terminate on the earlier of: (a) the
Effective Time; (b) at any time upon written notice by the Company to the Holder
terminating  this  Agreement;  or (c) the later of March 31, 2000 or 30 calendar
days after the date on which the Merger Agreement is terminated.

      9. NOTICES.  All notices and other  communications  given or made pursuant
hereto  shall be in writing  and shall be deemed to have been duly given or made
as of the date  delivered,  mailed or  transmitted,  and shall be effective upon
receipt,  if delivered  personally  or mailed by  registered  or certified  mail
(postage  prepaid,  return  receipt  requested)  to the parties at the following
addresses  (or to such other  address for a party as shall be  specified by like
change  of  address),  or  sent by  electronic  transmission  with  confirmation
received, to the telecopy number specified below, if any:

            (a)   if to the Holder:

                  Steven T. Francesco
                  c/o Netrix Corporation
                  13595 Dulles Technology Drive
                  Herndon, VA 20171

            (b)   if to the Company:

                  Netrix Corporation
                  Attention:  Chief Executive Officer
                  13595 Dulles Technology Drive
                  Herndon, VA 20171

      10.  HEADINGS.  The headings contained in this Agreement are for reference
purposes only and shall not affect in any way the meaning or  interpretation  of
this Agreement.





      11.  SEVERABILITY.  If any term or other  provision  of this  Agreement is
invalid,  illegal or incapable  of being  enforced by any rule of law, or public
policy, all other conditions and provisions of this Agreement shall nevertheless
remain in full force and effect so long as the  economic or legal  substance  of
the  transactions  contemplated  hereby is not affected in any manner adverse to
any party. Upon such  determination that any term or other provision is invalid,
illegal or incapable of being  enforced,  the parties hereto shall  negotiate in
good faith to modify this  Agreement so as to effect the original  intent of the
parties  as  closely  as  possible  in an  acceptable  manner  to the  end  that
transactions contemplated hereby are fulfilled to the extent possible.

      12. ENTIRE AGREEMENT.  This Agreement constitutes the entire agreement and
supersedes all prior agreements and  undertakings,  both written and oral, among
the  parties,  or any of them,  with respect to the subject  matter  hereof and,
except as otherwise  expressly  provided herein, are not intended to confer upon
any other person any rights or remedies hereunder.

      13.  ASSIGNMENT.  This  Agreement  shall  not  be assigned by operation of
law or otherwise.

      14.  AMENDMENT.  This Agreement may not be modified,  amended or waived in
any manner  except by an  instrument  in writing  signed by each of the  parties
hereto.  Except  as is  provided  in  Section  8,  this  Agreement  may  only be
terminated in a writing signed by each of the parties hereto.  The waiver by any
party of  compliance  with any  provision  of this  Agreement by any other party
shall not operate or be  construed  as a waiver of any other  provision  of this
Agreement,  or of any  subsequent  breach by such party of a  provision  of this
Agreement.

      15.  GOVERNING LAW.  This  Agreement  shall be  governed by, and construed
in accordance with, the laws of the State of Delaware.

      16. SPECIFIC PERFORMANCE. The parties hereto agree that irreparable damage
would occur in the event that any of the  provisions of this  Agreement were not
performed in accordance with their  specified terms or were otherwise  breached.
It is accordingly  agreed that the parties shall be entitled to an injunction or
injunctions to prevent  breaches of this  Agreement and to enforce  specifically
the terms and  provisions  hereof in any court of the United States or any state
thereof having jurisdiction, this being in addition to any other remedy to which
they are entitled at law or in equity.

      17.   COUNTERPARTS.  This  Agreement  may  be  executed  in  one  or  more
counterparts, and by the different parties hereto in separate counterparts, each
of which when executed  shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.







      IN  WITNESS  WHEREOF,  this  Agreement  has been  executed  by each of the
parties hereto  individually,  by its duly authorized officer or in its capacity
as a duly  authorized  trustee  or  custodian,  all as of the date  first  above
written.

                                 Netrix Corporation


                                  By: /s/ Peter Kendrick
                                     ------------------------------
                                      Name: Peter Kendrick
                                      Title: Chief Financial Officer


                                   THE HOLDER

                                         /s/ Steven T. Francesco
                                 --------------------------------------
                                      Name: Steven T. Francesco





                            FORM OF IRREVOCABLE PROXY

                                IRREVOCABLE PROXY

      The undersigned shareholder of Netrix Corporation,  a Delaware corporation
(the  "Company"),  hereby  irrevocably  (to the full  extent  permitted  by law)
appoints and  constitutes  Peter J.  Kendrick,  Chief  Financial  Officer of the
Company, in his capacities as an officer of the Company,  and any individual(s),
who shall hereafter succeed to such offices,  and the Company, and each of them,
the attorneys and proxies of the undersigned with full power of substitution and
resubstitution,  to the full extent of the undersigned's  rights with respect to
the  shares  of  capital  stock  of  the  Company   beneficially  owned  by  the
undersigned,  which  shares  are  listed on the final  page of this  Proxy  (the
"Shares"),  and any and all other  shares or  securities  issued or  issuable in
respect  thereof  on or after the date  hereof,  until  such time as the  Voting
Agreement, dated as of September 30, 1999 (the "Voting Agreement"),  between the
Company and the  undersigned,  shall be terminated in accordance with its terms.
Upon the  execution  hereof,  all prior proxies  given by the  undersigned  with
respect  to the  Shares  and any and all other  shares or  securities  issued or
issuable in respect  thereof on or after the date hereof are hereby  revoked and
no subsequent proxies will be given.

      This proxy is  irrevocable  (to the full extent  permitted  by law) and is
granted in connection with the Voting  Agreement and is granted in consideration
of the  Company  entering  into the  Agreement  and Plan of Merger,  dated as of
September 30, 1999 (the "Merger  Agreement"),  between the Company and OpenROUTE
Networks, Inc., a Massachusetts corporation.

      The  attorneys and proxies named above will be empowered at any time prior
to termination  of the Voting  Agreement to exercise all voting and other rights
(including,  without  limitation,  the  power to  execute  and  deliver  written
consents  with  respect to the  Shares) of the  undersigned  at every  annual or
special meeting of the shareholders of the Company and at every  continuation or
adjournment  thereof,  and on every action or approval by written consent of the
shareholders  of the  Company  in lieu of any  such  meeting,  (i) in  favor  of
approval  of the Merger  Agreement  and the  Merger  and any  matter  that could
reasonably be expected to facilitate the Merger and (ii) against approval of any
proposal made in opposition to consummation of the Merger.

      The attorneys and proxies named above may only exercise this proxy to vote
the  Shares  subject  hereto  at any time  prior to  termination  of the  Voting
Agreement at every annual or special meeting of the  shareholders of the Company



and at  every  continuation  or  adjournment  thereof,  and on every  action  or
approval by written  consent of the  shareholders  of the Company in lieu of any
such  meeting,  (i) in favor of approval of the Merger  Agreement and the Merger
and any matter that could  reasonably be expected to  facilitate  the Merger and
(ii) against  approval of any proposal made in opposition to or competition with
consummation of the Merger.  The undersigned  shareholder may vote the Shares on
all other matters.

      Any  obligation  of the  undersigned  hereunder  shall be binding upon the
successors and assigns of the undersigned.

      This proxy is irrevocable.


      Dated: September 30, 1999


      Signature of Shareholder:_____________________________________
      Print name of Shareholder: Steven T. Francesco


Shares beneficially owned: ______________ shares