Windows 95 MSDLC32 Does Not Receive Broadcast Packets

ID: Q170737

The information in this article applies to:

SYMPTOMS

A DLC program may not be able to receive broadcast packets in Windows 95/98 using Microsoft's 32-bit Data Link Control protocol (MSDLC32).


CAUSE

MSDLC32 does not receive packets addressed to the broadcast address for the network medium.


RESOLUTION

This issue is resolved by the following updated file for Windows 95 and Windows 95 OEM Service Release 2 (OSR2):

DLC.VXD version 4.10.995 dated 6/18/97 237,470 bytes

To install this update, follow these steps:
  1. Download the Dlc32upd.exe file from the online service listed below to an empty folder.


  2. In My Computer or Windows Explorer, double-click the Dlc32upd.exe file you downloaded in step 1.


  3. Follow the instructions on the screen.


The following file(s) are available for download from the Microsoft Software Library:
~ dlc32upd.exe

For more information about downloading files from the Microsoft Software Library, please see the following article in the Microsoft Knowledge Base:
ARTICLE-ID: Q119591
TITLE : How to Obtain Microsoft Support Files from Online Services


STATUS

Microsoft has confirmed this to be a problem in Microsoft Windows 95, Microsoft Windows 95 OEM Service Release 2, and Microsoft Windows 98. There is currently no resolution for this problem in Windows 98.


MORE INFORMATION

A broadcast address is defined for each network physical media type. For example, on Ethernet the broadcast address is defined as 0xFFFFFFFFFFFF; on Token Ring it is either 0xFFFFFFFFFFFF or 0xC000FFFFFFFF. Packets sent to the broadcast address are expected to be received by all stations on the network segment or ring.

For additional information about issues resolved by updates to this component, please see the following articles in the Microsoft Knowledge Base:

ARTICLE-ID: Q170736
TITLE : Windows 95 MSDLC32 Does Not Receive Multicast Packets

ARTICLE-ID: Q159344
TITLE : Fatal Exception in DLC Running Program from NetWare Server

ARTICLE-ID: Q156149
TITLE : MSDLC32 May Not Receive All Packets in Heavy Traffic

ARTICLE-ID: Q148765
TITLE : Availability of DLC Update for MSDLC32 Protocol

For additional information about Windows 95 updates, please see the following article in the Microsoft Knowledge Base:
ARTICLE-ID: Q161020
TITLE : Implementing Windows 95 Updates 


Keywords          : kbfile kbnetwork osr1 osr2 win95 win98 kbAPI kbDLC kbSDKPlatform kbGrpNet 
Version           : 95
Platform          : WINDOWS 
Issue type        :

Last Reviewed: February 1, 1999