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Proper network wiring

Discussion in 'Networking Issues' started by Username95, Jan 28, 2008.

  1. Username95

    Username95 LI Guru Member

    Essentially what I want to do is run all outbound traffic through the WRT54GL/tomato so I can make use of the QoS feature.


    Current network topo:
    Code:
    Modem speedstream 516  <---A----> WRT54GL <---B---> switch <---D---> pc1
                                              <---C---> pc2    <---E---> pc3
                                                               <---F---> pc4
    The modem handles all authentication and is the dhcp server for the network.


    Issue QoS does not function and only shows packets from the machine accessing the router's info pages, no traffic from the other pc's are shown. All traffic is considered unclassified.

    All equipment is on the same subnet 192.168.2.x, pc4, modem and WRT54GL have static ip's the others are dynamic. UPnP is enabled.

    Cable B goes from the modem to the switch1 port on the WRT54GL.

    All computers can access the net.

    --

    When cable B goes from the modem to the internet port on the WRT54GL only the pc & wireless pc's attached to the WRT54GL can access the net. Other pc's attached to the switch can not access the net, the WRT54GL or the modem.

    This is the way it should be wired, correct?
    --
    D-link dss 8+ is the switch and is auto-sensing on all ports, so it should not need a crossover cable.
    --

    Any ideas on what is going on here?
     
  2. ifican

    ifican Network Guru Member

    If you want all traffic going through the wrt then you need to run all traffic through it. Plug the modem into the wan port on the wrt, make sure the subnet on the wrt lan side is different then the wan side. So anything 10.x or 172.16, but you could also use anything in the 192.168. range as long as its not 192.168.2.x. The switch and all the pc's will be behind the wrt at that point and should work. The only other thing you might need to do is reboot the modem.
     
  3. Username95

    Username95 LI Guru Member

    Thanks for the reply.

    Just one quick question, I don't understand why or is there some sort of rational that the modem needs to be on a different subnet then the router?


    Thanks,
     
  4. ifican

    ifican Network Guru Member

    Does not have to be on a different subnet of the wan port, the subnet that the wan port uses needs to be different then what is being used on the lan. And thats because the router cannot do its job if the subnets on either side are the same.
     

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