* [Bridge] Introducing latency @ 2005-05-04 18:07 Jeff Gercken 2005-05-04 18:38 ` Roman Chertov 2005-05-04 18:53 ` Stephen Hemminger 0 siblings, 2 replies; 3+ messages in thread From: Jeff Gercken @ 2005-05-04 18:07 UTC (permalink / raw) To: bridge Does anyone know how I might introduce latency on the packets that I bridge? I'm trying to develop a system for simulating wan links and often bandwidth isn't as big an issue as delay, especially when talking wireless (dot11 or satellite). Thanks, jeff ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Bridge] Introducing latency 2005-05-04 18:07 [Bridge] Introducing latency Jeff Gercken @ 2005-05-04 18:38 ` Roman Chertov 2005-05-04 18:53 ` Stephen Hemminger 1 sibling, 0 replies; 3+ messages in thread From: Roman Chertov @ 2005-05-04 18:38 UTC (permalink / raw) To: Jeff Gercken; +Cc: bridge Jeff Gercken wrote: > Does anyone know how I might introduce latency on the packets that I > bridge? I'm trying to develop a system for simulating wan links and > often bandwidth isn't as big an issue as delay, especially when talking > wireless (dot11 or satellite). You can use the dummynet of the ipfw in FreeBSD to add delays/link limitations/loss. You can also create a bridge with ipfw as well. I am not sure what Linux has for traffic shaping. Roman > > Thanks, > jeff > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Bridge mailing list > Bridge@lists.osdl.org > http://lists.osdl.org/mailman/listinfo/bridge ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Bridge] Introducing latency 2005-05-04 18:07 [Bridge] Introducing latency Jeff Gercken 2005-05-04 18:38 ` Roman Chertov @ 2005-05-04 18:53 ` Stephen Hemminger 1 sibling, 0 replies; 3+ messages in thread From: Stephen Hemminger @ 2005-05-04 18:53 UTC (permalink / raw) To: Jeff Gercken; +Cc: bridge On Wed, 4 May 2005 14:07:46 -0400 "Jeff Gercken" <JeffG@kizan.com> wrote: > Does anyone know how I might introduce latency on the packets that I > bridge? I'm trying to develop a system for simulating wan links and > often bandwidth isn't as big an issue as delay, especially when talking > wireless (dot11 or satellite). You can use netem (part of recent 2.4 and 2.6 kernels). More info at: http://developer.osdl.org/shemminger/netem ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2005-05-04 18:53 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2005-05-04 18:07 [Bridge] Introducing latency Jeff Gercken 2005-05-04 18:38 ` Roman Chertov 2005-05-04 18:53 ` Stephen Hemminger
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