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Using port 51 and 52 as stack port in X440-G2-48p-10GE4

  • 1.  Using port 51 and 52 as stack port in X440-G2-48p-10GE4

    Posted 09-27-2017 14:32
    I must be missing something. In the x440 I remember stacking using just plain copper cables. Can I not do that using port 51 and 52 with the X440-G2-48p-10GE4 ?


  • 2.  RE: Using port 51 and 52 as stack port in X440-G2-48p-10GE4

    Posted 09-27-2017 15:27
    Hello Hunter,

    Stacking requires a 10g connection. If you would like to do alternate stacking then you need to use the ports specified in the "show stacking-support" output.


  • 3.  RE: Using port 51 and 52 as stack port in X440-G2-48p-10GE4

    Posted 09-27-2017 15:38
    Hi, Hunter. Here are a couple of sections in the Hardware Installation Guide that you might find helpful:
    For the X440-G2 48-port models, the stacking ports are 49 and 50. 10GBASE-CR SFP+ cables are available in various lengths.

    Larry Kunz
    Information Development
    Extreme Networks


  • 4.  RE: Using port 51 and 52 as stack port in X440-G2-48p-10GE4

    Posted 09-28-2017 03:50
    Hi Hunter,
    Below is Extreme stacking tool, hope it's useful for you as well.
    https://stackingtool.extremenetworks.com/StackingTool/


  • 5.  RE: Using port 51 and 52 as stack port in X440-G2-48p-10GE4

    Posted 10-02-2017 02:13
    Hi Hunter,

    This reference could help you.

    ExtremeSwitching X440-G2 Stacking
    http://documentation.extremenetworks.com/summit/summit_family_hw_install/Stacking/c_stacking-conside...



  • 6.  RE: Using port 51 and 52 as stack port in X440-G2-48p-10GE4

    Posted 12-30-2017 17:36
    I read all these, but I'm still a little perplexed. I was under the impression we could use a cat6 patch cable on ports 50/51 to stack the switches. I also called the sales rep and he informed me I did not need to order additional cabling to stack two switches and I can simply use the cat6 ethernet cable, sorry if this is a dumb question, but I've been spending hours on trying to enable alt or native stacking via the patch cables.

    I went to show stacking and have native and alt ports 49/50, but it'll only accept spf+. As per the cable management link, is the most cost effective cable part number 10304? Will the cable need to be extreme branded? Thank you for your assistance.

    edit: what is the intended use of port 51/52?


  • 7.  RE: Using port 51 and 52 as stack port in X440-G2-48p-10GE4

    Posted 12-30-2017 17:36
    The alternate stacking ports depend on the switch. You can check this with the "show stacking-support" output. The connections need to be 10g so this typically means you need to use a fiber uplink. The SFP's have to be extreme certified in order to be supported by extreme.