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02-18-2008, 09:31 AM
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 Re: patch if_trunk.h for ath and em On Sun, 29 Jul 2007 02:49, Reyk Floeter wrote: > but at what point is a wireless "link" up? in theory, the physical > link is up when the radio is active, but the logical link state should > be up when the station is an associated state. but depending on the > association state can cause some link state flapping caused by a weak > signal to the accesspoint, interferences, roaming, etc. compared to > wired ethernet, a wireless link state depending on the association > would be fairly "unstable" and this could confuse link-state tracking > tools like dhclient. hmmm... Yes, this is the challenging part. Ideally, at least from trunk(4)'s perspective, UP should mean that data can be sent over the link, hence for wireless it would imply associated. As you have indicated above, the downside is that this could continually flap under a number of circumstances. At the very least UP should imply (IMHO) that the radio is active and we are at least in a state (configured to be able to associate?) which we can attempt communication. It's a curly one  -- ---------------------------------------------------------------------------- => Joel Sing | joel@ionix.com.au | 0419 577 603 <= ---------------------------------------------------------------------------- "Real stupidity beats artificial intelligence every time." - Terry Pratchett, Hogfather      |
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