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snoworkin's avatar
snoworkin
Aspirant
Jan 02, 2020
Solved

VLAN traffic between switches

We have three Netgear GS724T switches which have served well for some years. Model Name - GS724Tv4 Boot Version - B1.0.0.4 Software Version - 6.3.1.11   Now for the first time we need to impleme...
  • Retired_Member's avatar
    Retired_Member
    Jan 07, 2020

    Hi snoworkin 

     

    I got the root cause for your problem.

     

    It's due to wrong topology and configuration.

     

    1. For inter-link cable between switches, you connect two cables between HLEWSW and HLEMSW, four cables between HLEMSW and HLWWSW, this will cause loop and STP protocol will blocking some ports traffic.

    2. Suggest only connect one cable between switches if the Bandwidth is enough(if not, you can band two ports in LAG), then the inter-link port untag to VLAN1(by default) and tag to other VLANs(102, 254).

     

    After do above two changes, it will work fine on your topology.

    Could you please try again?

     

    Hope it helps!

     

    Regards,

    EricZ

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