Re: simulating an LFN over 1Gb LAN Ethernet?

From: Andre Oppermann (andre_at_freebsd.org)
Date: 04/22/04

  • Next message: Brooks Davis: "Re: RFC: if_clone overhaul"
    Date: Thu, 22 Apr 2004 16:30:45 +0200
    To: Heinz Knocke <knockefreebsd@o2.pl>
    
    

    Heinz Knocke wrote:
    >
    > Hi!
    >
    > I'd like to simulate an LFN over LAN - my idea is to install testing software
    > on 2 hosts, traffic between them would be routed by the 3rd one - a FreeBSD
    > based router. To simulate long RTT the router would have to delay packet
    > forwarding in at least one direction - does anyone know how to do it? Is
    > it at all possible withou some changes in kernel source code?

    yes, do man dummynet(4), ipfw(8).

    -- 
    Andre
    _______________________________________________
    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: Brooks Davis: "Re: RFC: if_clone overhaul"

    Relevant Pages

    • Re: Network Hardware
      ... LAN With Two Routers" and now wonder whether or not to send this message as ... I was also hoping to use the DLink Router ... have to go through the router to get to the internet on the other subnet. ...
      (microsoft.public.windowsxp.network_web)
    • Re: DirectPlay troubleshooting
      ... Number 6 does indeed recommend *disabling* that feature of your router ... as it is a troubleshooting step which has solved LAN gaming issues in some ... MS Games Help and Support Center: http://support.microsoft.com/?pr=gms ... ||| out directplay by establishing a 'chat' session, ...
      (microsoft.public.games)
    • SBS 2003 Premium, Multi-Homed, Problem with OMA
      ... LAN port in use on that router is the SBS 2003 Premium box. ... NIC as primary DNS with the wireless router as secondary DNS. ...
      (microsoft.public.windows.server.sbs)
    • Re: WEP and MAC Filter
      ... Machines with wifi adaptors connect to the lan ... via the router radio connection. ... and wireless PCs would be on the same LAN subnet, ... DHCP server in the LAN, then you should disable the router's DHCP server ...
      (alt.internet.wireless)
    • Re: Changing the Default Gateway
      ... I agree that I can't see how the WAN side of the router would have anything ... is saying that the folks changed the internal LAN IP of the router to .222. ... this new MPLS internet connetion and phase out the Frame router. ... All tests passed on this DNS server ...
      (microsoft.public.windows.server.sbs)