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Seattle_RBR750's avatar
Dec 26, 2022
Solved

CenturyLink Fiber RBR750 config

I recently upgraded to CenturyLink Fiber. They supplied a C4000XG router which I believe I don’t need since the RBR750 can act as a gateway with some configuration. Can anyone help me? I already attempted to add my PPP credentials and enables VLAN 201 settings but I’m still getting a purple light. Appreciate any support here to avoid the Geek Squad bill.
  • CrimpOn's avatar
    CrimpOn
    Dec 26, 2022

    Seattle_RBR750 wrote:
    Yes. This was my guide until my 4th failed attempt. I guess my questions based off this Reddit post are #1- how to “enable” gateway mode on the RBR750? #2- I was told by CenturyLink my PPP and PPoE credentials were identical? On my CL router admin pages I could only find PPP. Will that prevent a successful outcome? #3- is VLAN tag 201 the correct tag?

    That Reddit article assumed that the reader was installing two separate pieces of equipment:

    • One box to "talk to CenturyLink, and another to be
    • The Customer's home router.

    In such a situation, most people would not want to have "two routers" and would thus put the first device into a bridge or gateway mode.  Your goal  is to install only one device: the RBR750 router.  So, the RBR750 should be left in the default router mode.

     

    As for VLAN 201, the more I read, the more confusing it is.  Netgear routers use VLAN to support internet television.  (See page 74 of the user manual: https://www.downloads.netgear.com/files/GDC/RBK752/RBK752_UM_EN.pdf )

     

    This video implies (in some of the comments) that when the customer router is not designed to put a VLAN tag on the WAN port, the customer can use a managed switch (such as a 5-port GS-105Ev2 - under $40 on Amazon) to add the VLAN tag on the WAN port. https://www.youtube.com/watch?v=xa76pRdQYGY 

     

     

     

     

16 Replies

  • Something to ask the ISP for help and information about to see if there HW is needed or not and for information on what configuration is needed on the RBR if there HW isn't needed. 

    • Seattle_RBR750's avatar
      Seattle_RBR750
      Aspirant
      Yes. This was my guide until my 4th failed attempt. I guess my questions based off this Reddit post are #1- how to “enable” gateway mode on the RBR750? #2- I was told by CenturyLink my PPP and PPoE credentials were identical? On my CL router admin pages I could only find PPP. Will that prevent a successful outcome? #3- is VLAN tag 201 the correct tag?

      Thanks!
      • CrimpOn's avatar
        CrimpOn
        Guru

        Seattle_RBR750 wrote:
        Yes. This was my guide until my 4th failed attempt. I guess my questions based off this Reddit post are #1- how to “enable” gateway mode on the RBR750? #2- I was told by CenturyLink my PPP and PPoE credentials were identical? On my CL router admin pages I could only find PPP. Will that prevent a successful outcome? #3- is VLAN tag 201 the correct tag?

        That Reddit article assumed that the reader was installing two separate pieces of equipment:

        • One box to "talk to CenturyLink, and another to be
        • The Customer's home router.

        In such a situation, most people would not want to have "two routers" and would thus put the first device into a bridge or gateway mode.  Your goal  is to install only one device: the RBR750 router.  So, the RBR750 should be left in the default router mode.

         

        As for VLAN 201, the more I read, the more confusing it is.  Netgear routers use VLAN to support internet television.  (See page 74 of the user manual: https://www.downloads.netgear.com/files/GDC/RBK752/RBK752_UM_EN.pdf )

         

        This video implies (in some of the comments) that when the customer router is not designed to put a VLAN tag on the WAN port, the customer can use a managed switch (such as a 5-port GS-105Ev2 - under $40 on Amazon) to add the VLAN tag on the WAN port. https://www.youtube.com/watch?v=xa76pRdQYGY