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joel_smith's avatar
Apr 29, 2021
Solved

Orbi RBR50 Dropping Internet Connection Regularly

Hi,

 

I have an RBR50 (V2.7.2.104) and two satellites - RBS20 (V2.6.2.104), RBS50 (V2.7.2.104) - in my mesh. The router is connected to the NBN Connection Box: Arris CM8200B

 

Close to every 2 and half minutes, 5-7 packets get dropped and the connection drops out (see Pingplotter graphs below). Most applications can cope, but it is wreaking havoc with VOIP applications e.g. Teams & Skype. The frequency is suspciously close to the DHCP Lease renewal in the Admin portal - Advanced > Internet Port > Connection Status.

 

6 HOURS

 

30 MINUTES

 

What is the size of your home? ~300m2

What is the distance between the router and satellite(s)?
RBR50 is located downstairs at the front of the house - Ethernet to switch > NBN Connection Box
RBR50 > RBS20 - upstairs front - Wireless backhaul ~5m
RBR50 > RBS50 - downstairs rear - Ethernet backhaul via switch ~10 metres

What channels are you using? 2.4Ghz is auto, currently Channel 1. 5Ghz Channel 36
Any Wifi Neighbors near by? If so, how many? Generally 3 nearby SSIDs

 

I have read the following threads without a solution:

 

The DHCP Advanced > Internet Port > Connection Status
- Lease Obtained 0 Days, 0 Hours, 5 Minutes
- Lease Expires 0 Days, 0 Hours, 3 Minutes

 

If I telnet - root@RBR50:/# config get wan_lease, I get 86400 as the response. Setting the wan_lease to another value didn't appear to make any difference to the packet loss, or the Connection Status values.

 

I don't understand where the Connection Status values are coming from?

 

OTHER INVESTIGATIONS

- RBR50 ethernet direct to NBN Connection Box & wifi to laptop ie. no switch - dropped packets issue persists

- Laptop ethernet direct to to NBN Connection Box - no dropped packets

- ISP modem ethernet to NBN Connection Box & wifi to laptop - no dropped packets

 

I am at a loss as to what else I can do to troubleshoot and hopefully rectify. Hoping someone has some advice.

 

Cheers, Joel

 

  • Arggh, I thought I had it with the DNS settings. Apparently not.

     

    But today I have put the ISP modem into faux-bridge mode & connected the Orbi RBR50 to that, so far so good just need to tidy up the network rack now! Below is what I ended up with.

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  • joel_smith wrote:

    Close to every 2 and half minutes, 5-7 packets get dropped and the connection drops out (see Pingplotter graphs below). Most applications can cope, but it is wreaking havoc with VOIP applications e.g. Teams & Skype. The frequency is suspciously close to the DHCP Lease renewal in the Admin portal - Advanced > Internet Port > Connection Status.

     

    The DHCP Advanced > Internet Port > Connection Status
    - Lease Obtained 0 Days, 0 Hours, 5 Minutes
    - Lease Expires 0 Days, 0 Hours, 3 Minutes

     

    If I telnet - root@RBR50:/# config get wan_lease, I get 86400 as the response. Setting the wan_lease to another value didn't appear to make any difference to the packet loss, or the Connection Status values.

     

    I don't understand where the Connection Status values are coming from?


    It is really frustrating that the community forum does not display images that are created "in-line" with the "Photos" icon on the menu bar do not appear until approved by a forum moderator (which can take hours...or days), while images that are attached with the Browse button (lower left) appear at attachments immediately.

     

    An IP lease of 5 minutes is insane.  This is the kind of thing network administrators do when they are preparing to make some drastic change to their network architecture.  I would call the ISP and ask, "what the F**K are you guys doing to me?"

     

    Please attach the images so we can see them.

     

    Thanks

     

    • joel_smith's avatar
      joel_smith
      Tutor

      Thanks CrimpOn for the validation that the lease time is whack. That said, I thought the Orbi should be bale to handle the lease renewal without complaint???

       

      And also saving my sanity as I tried to find a work around to upload the images.

       

      Attached is the 6 houview of the pingplotter graph.

      • joel_smith's avatar
        joel_smith
        Tutor

        This is the 30 minute view of the ping graph.

    • joel_smith's avatar
      joel_smith
      Tutor

      CrimpOn wrote:
      An IP lease of 5 minutes is insane.  This is the kind of thing network administrators do when they are preparing to make some drastic change to their network architecture.  I would call the ISP and ask, "what the F**K are you guys doing to me?"

      Following your adive, I contacted the ISP, they completed a line test & apparently found a problem, it is being escalated. Not sure it all adds up for me, but fingers crossed.