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NIL454's avatar
NIL454
Aspirant
Jul 26, 2019
Solved

RB50 speed issues finally solved

I finally after numerous calls and many setting changes incresed the speed of the Orbi, wired or wireless.

By default the MTU was set at 1500.

 

I have reduced the MTU to 1468 and my speeds have increased by almost 100Mb.

  • NIL454's avatar
    NIL454
    Jul 26, 2019

    I am aware of double NAT and tested to ensure that was not so.  The modem is in modem mode with fixed IP (serving two other appliances with fixed IP), not running any DHCP or wirreless all that is controlled from the Orbi.

     

    Speaking to NG this morning they never even asked about my modem or make.  They were very clear 1500MTU is not optimal for the Orbi,  but it should be reduced. I did this an within an hour the speeds had increased dramatically.

6 Replies

  • What Firmware is currently loaded?
    What is the Mfr and model# of the ISP modem the NG router is connected too?

    • NIL454's avatar
      NIL454
      Aspirant

      I am connected to a Hitron 4 port modem CGNV4 in modem mode from Virgin Business.

       

      The issue is not at the ISP modem. The change of MTU on the Orbi has increaded my speed from 270 to 450 (just tested it again).

       

       

    • NIL454's avatar
      NIL454
      Aspirant

      Should have said latest firmware, confirmed that with NG this morning.