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NIC Teaming not in use but received lots of traffic ?

    Question

  • Sorry, it may be due to my configuration but on my Cisco switch side

    This is what I have one of the port, where I trunk all my VLAN in one. 

    interface GigabitEthernet0/23
     description Hyper-V Trunk A
     switchport trunk allowed vlan 1,2,3,4,5
     switchport mode trunk
     switchport nonegotiate
     spanning-tree portfast trunk

    So I have two have this port and I NIC teamed them using Windows 2012. 

    Since port is not in used, just plugged in to the server, when I looked at the status, it actually received over 30gb of data, while sent is 0, which is correct. 

    But can someone explain to me why it is constantly receiving data even tho it is not in use ? 

    Thanks, 

    Thursday, December 06, 2012 9:40 PM

Answers

  • Hi,

    As I know, the trunck port on the Swtich is flooding all the traffic through. So I think the data server received are all broadcast packages. for this, I found the article from Cisco website:

    Understanding VLAN Trunk Protocol (VTP)

    http://www.cisco.com/en/US/tech/tk389/tk689/technologies_tech_note09186a0080094c52.shtml

    And, we think this is not related with the teaming NIC. If you want more help in detail, I suggest you to contact Cisco. 

    Thanks.

    Best Regards,

    Annie 

    • Marked as answer by OxYI Monday, December 10, 2012 11:45 PM
    Monday, December 10, 2012 9:18 AM

All replies

  • Hi,

    Thank you for your question.
    I am trying to involve someone familiar with this topic to further look at this issue. There might be some time delay. Appreciate your patience.

    Thank you for your understanding and support.


    Best Regards,
    Aiden


    Aiden Cao
    TechNet Community Support

    Monday, December 10, 2012 7:53 AM
    Moderator
  • Hi,

    As I know, the trunck port on the Swtich is flooding all the traffic through. So I think the data server received are all broadcast packages. for this, I found the article from Cisco website:

    Understanding VLAN Trunk Protocol (VTP)

    http://www.cisco.com/en/US/tech/tk389/tk689/technologies_tech_note09186a0080094c52.shtml

    And, we think this is not related with the teaming NIC. If you want more help in detail, I suggest you to contact Cisco. 

    Thanks.

    Best Regards,

    Annie 

    • Marked as answer by OxYI Monday, December 10, 2012 11:45 PM
    Monday, December 10, 2012 9:18 AM
  • thank you. 
    Monday, December 10, 2012 11:45 PM
  • Okay, I will take that as an answer, as long as not some weird related with teamed NIC. 

    Thank you Annie. 

    Monday, December 10, 2012 11:45 PM