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  1. #1

    ER5120 Load Balancer constantly repeating ARP requests

    Model : TL-ER5120

    Hardware Version : V2

    Firmware Version : 1.0.8 Build 20140212 Rel/36037

    ISP : [/COLOR]

    I have an ER5120 load balancer which is constantly making ARP requests to addresses not in use (many never used).
    To the extent that I cannot log into the device as it is too busy.

    It is basically flooding my network with ARP requests.

    The set up is very simple two Wan interfaces, one LAN interface and one interface used a Port Mirror to track down the issue of a slow network caused by something hammering the network (yes the load balancer appears to be the problem).
    NAT is enabled, no VLANs used, DHCP is enabled (the only DHCP server).

    Any suggestions as to what is causing this problem ?

    Last edited by SMess; 04-12-2017 at 08:04.

  2. #2
    Members R1D2 is on a distinguished road
    Join Date
    Dec 2015
    What is connected to the mirror port?

  3. #3
    Just a Windows 10 PC running WireShark.

  4. #4


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