Microsoft KB Archive/130677

= TCP/IP Generates Frames with Loopback Address as Source Address =

Article ID: 130677

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q130677



SYMPTOMS
TCP/IP generates echo frames with the loopback address (127.0.0.1) as the source address.



CAUSE
You sent an echo request with the host's network media access control (MAC) address and the TCP/IP loopback address as the destination address.



RESOLUTION
To correct this problem, install the latest U.S. Service Pack for Windows NT version 3.51.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 3.51. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: prodnt

Keywords: kbnetwork KB130677

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