On Thu, 2008-01-31 at 13:51 +0000, Andrew Suffield wrote: > On Thu, Jan 31, 2008 at 08:44:14AM -0500, Brian J. Murrell wrote: > > On Thu, 2008-01-31 at 13:25 +0000, Andrew Suffield wrote: > > > > > > This would be an inadequate solution, because it does not account for > > > ethernet interfaces that change media state; > > > > As in link up/down -- the result of [un]plugging the cable? > > Yes, but also of the device on the other end changing state. For > example, it's fairly common for a fibre transceiver to indicate loss > of link on the fibre connection by switching off its ethernet > interface. It's also the behaviour you get when somebody puts a nail > through the cat5 cable. From userspace, this appears as the RUNNING > flag changing on the interface, not as a hotplug event.
Hrm. Maybe I inadvertently described my goal more lofty than it is. I
guess the "event" that I want to plug into is more like when an
administrator (or a system boot) if{up,down}'s an interface. I don't
know how many distributions provide hooks into that, but OpenWrt for one
does.
b.
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