EXHIBIT (D)(13)

PRESS RELEASE

FOR IMMEDIATE RELEASE:

                                          CONTACT: LARRY DENNEDY
                                          MACKENZIE PARTNERS, INC.
                                          (212) 929-5500

                         DLZ CORP. EXTENDS TENDER OFFER
                  FOR DIGITAL LINK SHARES TO OCTOBER 28, 1999

    SANTA CLARA, California, October 28, 1999 -- DLZ Corp. announced today that
it had extended its offer to purchase the outstanding shares of Digital Link,
Inc. (NASDAQ:DLNK) for $10.30 cash per share. The offer will now expire at 12:00
midnight New York City time on Thursday, October 28, 1999. As of 12:00 midnight
New York City time on October 27, 1999, 2,678,178 shares of Digital Link stock
had been tendered which, together with shares held by DLZ and its affiliates,
constitutes approximately 83.4% of the outstanding Digital Link stock.

    As previously disclosed, under California law DLZ cannot consummate the
tender offer, together with the follow-on short-form merger, unless the shares
tendered in the tender offer, together with the shares already held by DLZ and
its affiliates, equal at least 90% of Digital Link's outstanding shares. If DLZ
is unable to reach the 90% minimum, it intends to proceed with a long-form
merger.

    The Information Agent for the Tender Offer is MacKenzie Partners, Inc.
Additional information and copies of the tender offer documents can be obtained
from MacKenzie by calling (800) 322-2885.

About Digital Link

    Digital Link Corporation is leading provider of high-performance,
cost-effective, digital network access products for narrowband and broadband
applications. The company offers access solutions that increase the level of
intelligence at the demarcation point where LAN's and WAN's meet. These products
are used by Internet service providers and carriers as infrastructure equipment,
and by enterprises for connectivity to WAN services. Digital Link is
headquartered in Sunnyvale, California, and offers its products worldwide.
Additional information is available at Digital Link's website:
HTTP://WWW.DL.COM.

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