Date: Mon, 18 Jun 2012 14:37:27 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Jason Hellenthal <jhellenthal@dataix.net> Cc: stable@freebsd.org Subject: Re: FreeBSD 8.3-STABLE #0 r237184 if_tun auto-up upon create. Message-ID: <4FDEDAB7.7040802@rdtc.ru> In-Reply-To: <20120618024713.GB82047@DataIX.net> References: <20120618024713.GB82047@DataIX.net>
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18.06.2012 09:47, Jason Hellenthal пишет: > > Hoping someone here might be able to clue me in on what I am seeing. > > FreeBSD 8.3-STABLE #0 r237184 > > When creating a if_tun(4) device... > ifconfig tun0 create > > With these line in rc.conf(5) > cloned_interfaces="tun0" > ifconfig_tun0="metric 100 down" > > And sysctl net.link.tun.devfs_cloning=0 > > The resulting tun0 device results in state... > tun0: flags=8011<UP,POINTOPOINT,MULTICAST> metric 100 mtu 1500 > > > After removing the ifconfig_tun0= and running ifconfig create... > tun0: flags=8010<POINTOPOINT,MULTICAST> metric 0 mtu 1500 > > > Why would the device enter a UP/DOWN state if there is no addressing > information being fed to it ? and especially with a directive of "down" > ? That's because the word "up" is automatically added by system rc-scripts for ifconfig_XXX lines, so real ifconfig statement in your case is: ifconfig tun0 metric 100 down up Eugene Grosbein
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