In article <22169.1451036...@andromeda.noi.kre.to>, Robert Elz <k...@munnari.oz.au> wrote: > Date: Fri, 25 Dec 2015 00:20:56 +0100 > From: Rhialto <rhia...@falu.nl> > Message-ID: <20151224232056.gf5...@falu.nl> > > | Grom reading the source, net/if_tun.c, I get the impression that tun is > | a cloning device. Like tap. > >It is a cloning device, but not quite like tap. > >It is a cloning device, in the sense that there is no magic number of >tunnel devices configured into the kernel, which you cannot exceed at >run time - if you want tap999 just ifconfig it (ifconfig tun999 create) >and it exists. This is how most cloning pseudo-devices work, and it >means that when you use it, you know in advance which interface number >you're getting (you choose). > >However, it does not have the magic minor device that creates a new >interface every time it is opened (the /dev/tap equivalent).
Exactly, it depends if it makes sense to have a magic minor device like that... Does it? christos
