Saturday, December 10, 2022

Broadcast storm occurs after a virtual switch duplicates a network packet in Windows 8.1 - Microsoft Support [MS]

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

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=supportNote 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.

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 notesImportant 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.

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.16 xxx

    Windows 8.1

    RTM

    GDR

    6.3.960 0.17 xxx

    Windows 8.1

    RTM

    DR

  • 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 name

File version

File size

Date

Time

Platform

Brdgcfg.dll

6.3.9600.16384

22,528

22-Aug-2013

03:24

x86

Bridge.sys

6.3.9600.17236

98,816

15-Jul-2014

09:38

x86

Bridgemigplugin.dll

6.3.9600.16384

114,176

22-Aug-2013

03:31

x86

Bridgeres.dll

6.3.9600.16384

2,048

22-Aug-2013

04:16

x86

Bridgeunattend.exe

6.3.9600.16384

17,920

22-Aug-2013

03:58

x86

Microsoft-windows-networkbridge-ppdlic.xrm-ms

Not Applicable

2,941

15-Jul-2014

17:07

Not Applicable

For all supported x64-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Brdgcfg.dll

6.3.9600.16384

26,112

22-Aug-2013

10:44

x64

Bridge.sys

6.3.9600.17236

115,712

15-Jul-2014

10:29

x64

Bridgemigplugin.dll

6.3.9600.16384

137,728

22-Aug-2013

10:53

x64

Bridgeres.dll

6.3.9600.16384

2,048

22-Aug-2013

11:45

x64

Bridgeunattend.exe

6.3.9600.16384

20,480

22-Aug-2013

11:24

x64

Microsoft-windows-networkbridge-ppdlic.xrm-ms

Not Applicable

2,941

15-Jul-2014

18:16

Not Applicable

For all supported ARM-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Brdgcfg.dll

6.3.9600.16384

22,016

22-Aug-2013

02:39

Not Applicable

Bridge.sys

6.3.9600.17236

95,744

15-Jul-2014

08:21

Not Applicable

Bridgemigplugin.dll

6.3.9600.16384

111,104

22-Aug-2013

02:45

Not Applicable

Bridgeres.dll

6.3.9600.16384

2,048

22-Aug-2013

03:17

Not Applicable

Bridgeunattend.exe

6.3.9600.16384

18,432

22-Aug-2013

03:06

Not Applicable

Microsoft-windows-networkbridge-ppdlic.xrm-ms

Not Applicable

2,941

15-Jul-2014

16:28

Not Applicable

Additional file information for Windows 8.1

Additional files for all supported x86-based versions of Windows 8.1

File name

Package_1_for_kb2982348~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,827

Date (UTC)

16-Jul-2014

Time (UTC)

18:15

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_for_kb2982348_rtm_gm~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,405

Date (UTC)

16-Jul-2014

Time (UTC)

18:15

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_for_kb2982348_rtm~31bf3856ad364e35~x86~~6.3.1.0.mum

File version

Not Applicable

File size

1,467

Date (UTC)

16-Jul-2014

Time (UTC)

18:15

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

X86_229d0b89ec4614e2b075159046b8f771_31bf3856ad364e35_6.3.9600.17236_none_e4a26996f6871216.manifest

File version

Not Applicable

File size

701

Date (UTC)

16-Jul-2014

Time (UTC)

18:15

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

X86_microsoft-windows-networkbridge_31bf3856ad364e35_6.3.9600.17236_none_9cc1ace42184f1d8.manifest

File version

Not Applicable

File size

11,972

Date (UTC)

16-Jul-2014

Time (UTC)

18:15

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

Additional files for all supported x64-based versions of Windows 8.1

File name

Amd64_db04c8400661a7f30ceb97d1843286f6_31bf3856ad364e35_6.3.9600.17236_none_77e7647b394c04a9.manifest

File version

Not Applicable

File size

705

Date (UTC)

16-Jul-2014

Time (UTC)

18:20

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Amd64_microsoft-windows-networkbridge_31bf3856ad364e35_6.3.9600.17236_none_f8e04867d9e2630e.manifest

File version

Not Applicable

File size

11,978

Date (UTC)

16-Jul-2014

Time (UTC)

18:20

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_1_for_kb2982348~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

2,079

Date (UTC)

16-Jul-2014

Time (UTC)

18:20

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_for_kb2982348_rtm_gm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

1,413

Date (UTC)

16-Jul-2014

Time (UTC)

18:20

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_for_kb2982348_rtm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not Applicable

File size

1,717

Date (UTC)

16-Jul-2014

Time (UTC)

18:20

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

Additional files for all supported ARM-based versions of Windows 8.1

File name

Arm_1723bc093823e12c16aca5059c4447ac_31bf3856ad364e35_6.3.9600.17236_none_b6e54219638da399.manifest

File version

Not Applicable

File size

701

Date (UTC)

16-Jul-2014

Time (UTC)

18:16

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Arm_microsoft-windows-networkbridge_31bf3856ad364e35_6.3.9600.17236_none_9cc41f3c2182109e.manifest

File version

Not Applicable

File size

11,972

Date (UTC)

16-Jul-2014

Time (UTC)

18:16

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_1_for_kb2982348~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,827

Date (UTC)

16-Jul-2014

Time (UTC)

18:16

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_for_kb2982348_rtm_gm~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,405

Date (UTC)

16-Jul-2014

Time (UTC)

18:16

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable

File name

Package_for_kb2982348_rtm~31bf3856ad364e35~arm~~6.3.1.0.mum

File version

Not Applicable

File size

1,467

Date (UTC)

16-Jul-2014

Time (UTC)

18:16

SHA-1 hash

Not Applicable

MD5 hash

Not Applicable


Status

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

References

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

No comments:

Post a Comment

Search This Blog

December 2019 cumulative update 7.0.2046.151 for Skype for Business Server 2019, Enterprise Web App - Microsoft Support [MS]

December 2019 cumulative update 7.0.2046.151 for Skype for Business Server 2019, Enterprise ...