Token Ring SRB Network May Have Slow Data-Transfer Rate

View products that this article applies to.

This article was previously published under Q275552

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SYMPTOMS

The following symptoms may occur when you are using an older Token Ring environment bridged to or from an asynchronous transfer mode (ATM) LAN Emulation (LANE) client:

Slow data transfers
Long ping times
Dropped connections

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CAUSE

Atmlane sends LANE ARP packets with the wrong destination because it incorrectly calculates the destination media access control (MAC) address.

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RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

   Date        Time    Version      Size    File name
   ----------------------------------------------------
   10/09/2000  21:48   5.0.2195.24  48,368  Atmlane.sys

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.

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MORE INFORMATION

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 (http://support.microsoft.com/kb/249149/EN-US/ ) Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

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