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  2. Broadcast storm occurs after a virtual switch duplicates a network packet in Windows 8.1

Broadcast storm occurs after a virtual switch duplicates a network packet in Windows 8.1

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Symptoms

Consider the following scenario:
  • You have at least three client computers that are running Windows 8.1.
  • The client computers each have one Ethernet network adapter and one Wi-Fi network adapter installed.
  • You configure the client computers for the Hyper-V role.
  • You connect both the Ethernet and Wi-Fi network adapter on each computer to the same subnet.
  • You bind the Hyper-V virtual switch to the Wireless network adapter.

In this scenario, a broadcast "Unsolicited Neighbor" advertisement is sent from the Ethernet network adapter that contains the Ethernet network's source MAC address. Then, the virtual switch on the wireless network adapter receives this packet and duplicates it so that it contains the Wi-Fi network adapter's source MAC address. This may trigger a broadcast storm, as in the following example:

0.1366931 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1371023 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1383006 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1420106 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1433349 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1433349 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1498319 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1512549 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5
0.1512549 FE80:0:0:0:71AC:69C2:1AF4:92B5 FF02:0:0:0:0:0:0:1 ICMPv6 ICMPv6:Neighbor Advertisement, Target = FE80:0:0:0:71AC:69C2:1AF4:92B5

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Resolution

To resolve this issue, install update rollup 2984006, or install the hotfix that is described in the "Hotfix information" section.  

Update information

For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2984006 September 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

Hotfix information

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this update, you must first have update 2919355 installed on the Windows 8.1-based computers.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

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File information
The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8.1 file information and notes

Important Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    VersionProductMilestoneService branch
    6.3.960 0.16 xxxWindows 8.1RTMGDR
    6.3.960 0.17 xxxWindows 8.1RTMDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1 and Windows Server 2012 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Brdgcfg.dll6.3.9600.1638422,52822-Aug-201303:24x86
Bridge.sys6.3.9600.1723698,81615-Jul-201409:38x86
Bridgemigplugin.dll6.3.9600.16384114,17622-Aug-201303:31x86
Bridgeres.dll6.3.9600.163842,04822-Aug-201304:16x86
Bridgeunattend.exe6.3.9600.1638417,92022-Aug-201303:58x86
Microsoft-windows-networkbridge-ppdlic.xrm-msNot Applicable2,94115-Jul-201417:07Not Applicable
For all supported x64-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Brdgcfg.dll6.3.9600.1638426,11222-Aug-201310:44x64
Bridge.sys6.3.9600.17236115,71215-Jul-201410:29x64
Bridgemigplugin.dll6.3.9600.16384137,72822-Aug-201310:53x64
Bridgeres.dll6.3.9600.163842,04822-Aug-201311:45x64
Bridgeunattend.exe6.3.9600.1638420,48022-Aug-201311:24x64
Microsoft-windows-networkbridge-ppdlic.xrm-msNot Applicable2,94115-Jul-201418:16Not Applicable
For all supported ARM-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Brdgcfg.dll6.3.9600.1638422,01622-Aug-201302:39Not Applicable
Bridge.sys6.3.9600.1723695,74415-Jul-201408:21Not Applicable
Bridgemigplugin.dll6.3.9600.16384111,10422-Aug-201302:45Not Applicable
Bridgeres.dll6.3.9600.163842,04822-Aug-201303:17Not Applicable
Bridgeunattend.exe6.3.9600.1638418,43222-Aug-201303:06Not Applicable
Microsoft-windows-networkbridge-ppdlic.xrm-msNot Applicable2,94115-Jul-201416:28Not Applicable

Additional file information for Windows 8.1

Additional files for all supported x86-based versions of Windows 8.1
File namePackage_1_for_kb2982348~31bf3856ad364e35~x86~~6.3.1.0.mum
File versionNot Applicable
File size1,827
Date (UTC)16-Jul-2014
Time (UTC)18:15
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2982348_rtm_gm~31bf3856ad364e35~x86~~6.3.1.0.mum
File versionNot Applicable
File size1,405
Date (UTC)16-Jul-2014
Time (UTC)18:15
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2982348_rtm~31bf3856ad364e35~x86~~6.3.1.0.mum
File versionNot Applicable
File size1,467
Date (UTC)16-Jul-2014
Time (UTC)18:15
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameX86_229d0b89ec4614e2b075159046b8f771_31bf3856ad364e35_6.3.9600.17236_none_e4a26996f6871216.manifest
File versionNot Applicable
File size701
Date (UTC)16-Jul-2014
Time (UTC)18:15
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameX86_microsoft-windows-networkbridge_31bf3856ad364e35_6.3.9600.17236_none_9cc1ace42184f1d8.manifest
File versionNot Applicable
File size11,972
Date (UTC)16-Jul-2014
Time (UTC)18:15
SHA-1 hashNot Applicable
MD5 hashNot Applicable
Additional files for all supported x64-based versions of Windows 8.1
File nameAmd64_db04c8400661a7f30ceb97d1843286f6_31bf3856ad364e35_6.3.9600.17236_none_77e7647b394c04a9.manifest
File versionNot Applicable
File size705
Date (UTC)16-Jul-2014
Time (UTC)18:20
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameAmd64_microsoft-windows-networkbridge_31bf3856ad364e35_6.3.9600.17236_none_f8e04867d9e2630e.manifest
File versionNot Applicable
File size11,978
Date (UTC)16-Jul-2014
Time (UTC)18:20
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_1_for_kb2982348~31bf3856ad364e35~amd64~~6.3.1.0.mum
File versionNot Applicable
File size2,079
Date (UTC)16-Jul-2014
Time (UTC)18:20
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2982348_rtm_gm~31bf3856ad364e35~amd64~~6.3.1.0.mum
File versionNot Applicable
File size1,413
Date (UTC)16-Jul-2014
Time (UTC)18:20
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2982348_rtm~31bf3856ad364e35~amd64~~6.3.1.0.mum
File versionNot Applicable
File size1,717
Date (UTC)16-Jul-2014
Time (UTC)18:20
SHA-1 hashNot Applicable
MD5 hashNot Applicable
Additional files for all supported ARM-based versions of Windows 8.1
File nameArm_1723bc093823e12c16aca5059c4447ac_31bf3856ad364e35_6.3.9600.17236_none_b6e54219638da399.manifest
File versionNot Applicable
File size701
Date (UTC)16-Jul-2014
Time (UTC)18:16
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameArm_microsoft-windows-networkbridge_31bf3856ad364e35_6.3.9600.17236_none_9cc41f3c2182109e.manifest
File versionNot Applicable
File size11,972
Date (UTC)16-Jul-2014
Time (UTC)18:16
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_1_for_kb2982348~31bf3856ad364e35~arm~~6.3.1.0.mum
File versionNot Applicable
File size1,827
Date (UTC)16-Jul-2014
Time (UTC)18:16
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2982348_rtm_gm~31bf3856ad364e35~arm~~6.3.1.0.mum
File versionNot Applicable
File size1,405
Date (UTC)16-Jul-2014
Time (UTC)18:16
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2982348_rtm~31bf3856ad364e35~arm~~6.3.1.0.mum
File versionNot Applicable
File size1,467
Date (UTC)16-Jul-2014
Time (UTC)18:16
SHA-1 hashNot Applicable
MD5 hashNot Applicable

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kbbug, kbsurveynew, kbexpertiseinter, kbautohotfix, kbhotfixserver, kbqfe, kb, kbfix

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Article Info
Article ID : 2982348
Revision : 1
Created on : 1/7/2017
Published on : 9/9/2014
Exists online : False
Views : 296