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Trying to understand STP and DNSMasq

Discussion in 'DD-WRT Firmware' started by birdman-c, Nov 13, 2005.

  1. birdman-c

    birdman-c Network Guru Member

    Hi guys,

    Two questions based on the below setup:

    3 WRT54G's all running DDWRT with DNSMasq and STP enabled.
    #1 WRT54G with QoS enabled resolves to the internet
    #2 WRT54G w/o QoS WAN port plugs into Port 1 on WRT54G #1 (This is my home wireless network)
    #3 WRT54G w/o QoS WAN port plugs into Port 2 on WRT54G #1 (this is the wireless network for the apartment I rent out).

    I have it setup this way so we cannot access eachothers computers on the local network. Each router has a firewall setup.

    1: I am trying to understand STP and how best to use it. Should STP be enabled on all routers, or only the router that resolves to the internet?

    2: What is the significance of DNSMasq?

  2. dellsweig

    dellsweig Network Guru Member

  3. birdman-c

    birdman-c Network Guru Member

    Thanks... that clarifies a bit better.

    My question is, for my setup - should I have STP enabled on all my WRT54G's ?

    Also - I am on Rogers Cable in Ontario, I heard some cable providers do not allow STP. Anyone have any insight regarding this and rogers?
  4. robmack

    robmack Network Guru Member

    Turn it on

    Yes, probably. It doesn't hurt.

    You are not going to propogate STP outside of your network anyways because it is a predominantly LAN-based protocol (mainly for preventing forwarding loops in switches). Besides, Rogers will probably filter your STP packets upstream.

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