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How to tell a WRT54GSv4 w/ OpenWRT to be a hub?

Discussion in 'Cisco/Linksys Wireless Routers' started by onymouse, Jul 7, 2006.

  1. onymouse

    onymouse Network Guru Member

    It's a WRT54GSv4 w/ OpenWRT WRrc4.

    I need to look at network traffic on the LAN side from time to time without having to plug in a hub.

    How does one tell the router to change from switch to hub and vice-versa?

  2. kop48

    kop48 Network Guru Member

    A switch fulfils all requirements of a hub and surpasses them. So, your router cannot be made into a hub (why would you want to?).

    A hub broadcasts all packets it receives to all lines. A switch routes packets only to the destination line.
  3. onymouse

    onymouse Network Guru Member

    Which is exactly what I want.

    Rumour has it that certain models of switches have the ability to turn into hubs. If Broadcom has that ability I want it!

    (BTW, the tag line under my name refers only to this site...)
  4. kop48

    kop48 Network Guru Member

    You can either write a rule to dump packets somewhere for you to view, or you can modify the source code to dump them somewhere for you. =P

    You could also try writing a rule which redirects packets to all interfaces, but I'm not sure how to do this.
  5. onymouse

    onymouse Network Guru Member

    I am not having much luck with packet filtering/redirecting. Have not had time to figure out what is going wrong.

    Would Really Be Nice if there was a simple way to do it--like tell the switch to make like a hub...

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