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Viper18181's avatar
Viper18181
Aspirant
Feb 09, 2020
Solved

LAN, VLAN, on a single data socket

I am not a networing expert and stuck with this issue.

 

I have the following case:

I have a single data wall socket behind my TV and I need to to connect many devices to this data socket.

My ISP provides a device for internet and TV service. This device has 4 ports; 1 for internet and 3 for TV.

 

The problem is TV reciever must be connected directly to main device.

 

I have done the following:

On TV side, I have GS308E (8 Port Smart switch) and given port 1 VLAN4

On the ISP device side, I have GS724Tv3 (24 Port Smart switch) and given port 14, 16, 18, 20 VLAN 4 also.

 

It didn't work.

 

Any suggestions??

 

  • schumaku's avatar
    schumaku
    Feb 22, 2020

    Again, only ONE IPTV port must be connected between the ISP Device and the switch, for example only the one connecting to port #20 on the switch. Otherwise, you will create a network loop on the IPTV network.

     

    Then, also the yellow port #22 and the blue #20 must have the exact matching VLAN config on the GS724T as shown in the VLAN table config for the GS308E.

    If you have two more TV boxes and switches: Asuming you want to connect these from the GS724T, you need to configure two more ports as a trunk (like the yellow #22, to the VLAN config very similar to the port #8 on the GS308E.

    No, port based VLAN does work within one switch only.

9 Replies

  • schumaku's avatar
    schumaku
    Guru - Experienced User

    Keep it simple - and avoid connecting multiple ports of the same VLAN/switch (on the router) why ever:

     

    You need two VLANs - say VLAN 1 for primary Internet, and VLAN 4 for TV - ensure these VLANs are created on 802.1Q mode (1 is on by default).

     

    Configure the two trunk ports for VLAN 1 and VLAN 4 as [T]agged (PVID 1, just in case) and connect to the cable in the wall installation.

     

    Configure one port on both ends to VLAN 4 [U]ntagged, PVID 4 (only, remove from VLAN 1) - this does connect to the router TV port resp. to the TV.

     

    Keep all other ports on both switches as VLAN 1 [U]ntagged, PVID 1. Connect only one to one router Internet ports. This will allow using all ports for Internet.  

    • Viper18181's avatar
      Viper18181
      Aspirant

      Hi

      Thank you for your reply.

      I have not found the time to try your instructions.

      I will try it later today and will let you know how it goes.

       

      Thanks

       

      • Viper18181's avatar
        Viper18181
        Aspirant

        Hi again,

        I have tried your solution. It didn't work; not because it is wrong, but I know I couldn't follow it as you explained it.

        I have attached a pdf with screenshots for what I have done.

         

        If you had time, take a look at it please.

         

        Thanks

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