Microsoft KB Archive/155758

= IP Received Header Error Count May Be High =

Article ID: 155758

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q155758



The "netstat -s" command can be used to view various TCP/IP protocol statistics.

Windows NT systems that are running on a TCP/IP network with more than one logical subnet per physical network may display a large number of IP Received Header Errors, as shown below:

IP Statistics

Packets Received                  = 84167 Received Header Errors            = 10395    <--- Received Address Errors           = 94 Datagrams Forwarded               = 0 Unknown Protocols Received        = 0 Received Packets Discarded        = 0 Received Packets Delivered        = 73678 Output Requests                   = 2016 Routing Discards                  = 0 Discarded Output Packets          = 0 Output Packet No Route            = 0 Reassembly Required               = 0 Reassembly Successful             = 0 Reassembly Failures               = 0 Datagrams Successfully Fragmented = 0 Datagrams Failing Fragmentation   = 0 Fragments Created                 = 0



MORE INFORMATION
When an IP datagram is received as a broadcast at the link level, it is passed up to IP to process. IP performs a check to see if the datagram is a valid IP broadcast for a subnet that the computer is configured on. If the datagram is not a valid subnet broadcast, it is discarded, and the "IP Received Header Errors" count is incremented.

This is a harmless error, but a request has been logged to eliminate this behavior in future versions of Windows NT.

Additional query words: snmp

Keywords: kbnetwork KB155758

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