On Thu, Dec 24, 2009 at 01:47:51PM +0400, Rolf Sommerhalder wrote: > Recently, developers added the pseudo-device vether(4). Such virtual > switch ports can be member of bridges. An additional pseudo-device > 'vwire' would come in handy to interconnect two or more switches in a > virtualized environment, without necessarily bridging to a physical > switch port as well. > In addition to providing a simple virtual wire, such a 'vwire' > pseudo-device offers certain properties, such as delay, loss, jitter, > MTU size, etc. Over time, 'vwire' could evolve to a digital "channel > simulator" or even a "link emulator", similar to 'dummynet' for > example which was/is used by m0n0wall and pfSense (primarily to > implement traffic shaping/policing though).
Have you ever looked at http://vde.sourceforge.net/ ? -- Chris Dukes
