Re: Collision on NIC

From: Erwane Breton (breton_at_erwane.net)
Date: 05/30/03

  • Next message: Sreekanth: "RE: Collision on NIC"
    Date: Fri, 30 May 2003 18:26:56 +0200
    To: freebsd-net@freebsd.org
    
    

    > >
    > > Well, I don't see the problem.
    > >
    > > My math says that that's .03% collision rate, which is so deep in the
    > > noise as to be practically zero. What do you _think_ it should be?
    > >
    > Even Mr. Inventor of the ethernet himself regrets calling them collisions because
    > that term has a bad ring people unfamiliar with the technological detail.
    >
    > Pete

    So there are no answers or solutions ?

    Erwan
    _______________________________________________
    freebsd-net@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-net
    To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"


  • Next message: Sreekanth: "RE: Collision on NIC"

    Relevant Pages

    • Re: Collision on NIC
      ... >> Even Mr. Inventor of the ethernet himself regrets calling them collisions because ...
      (freebsd-net)
    • Re: Collision on NIC
      ... >> Even Mr. Inventor of the ethernet himself regrets calling them ... If it were a problem there might be a solution, but collisions ... they're normal on an ethernet. ...
      (freebsd-net)
    • Re: Disable Exponential Backoff (retry) on Ethernet?
      ... looks like "simulated" collisions will be the way to go. ... PJ>Have you considered simulating the network at a slightly higher lever: ... PJ>Use ipfw pipes or similar to simulate packet loss (either set a queue ... Some years ago I wrote a netgraph node that connected to ethernet nodes ...
      (freebsd-net)
    • Re: Disable Exponential Backoff (retry) on Ethernet?
      ... type protocol) so I actually need collisions! ... I will need to send a packet to the Ethernet device and only ... Are you even using hardware that does collisions? ... 10/100mbit "switches" that only switched between the two segments (and ...
      (freebsd-net)
    • Re: Disable Exponential Backoff (retry) on Ethernet?
      ... If I have to, I will employ some form of simulation of collisions, but that ... hubs would get collisions, ... PJ>Use ipfw pipes or similar to simulate packet loss (either set a queue ... Some years ago I wrote a netgraph node that connected to ethernet nodes ...
      (freebsd-net)