On Wednesday 22 June 2011 17:29, David Henderson wrote: > On 06/18/2011 04:48 AM, Denys Vlasenko wrote: > > On Thursday 16 June 2011 19:25, David Henderson wrote: > >> Hello everyone! I'm working some more with the 'if*' commands and come > >> across an issue and wanted to ask about it here. I have a script that > >> calls 'ifdown' for an adapter like: ifdown -f lan01&& echo success || > >> echo failure. I noticed that it wasn't executing correctly so I > >> performed the step manually from the command line like: > >> > >> # ifdown lan01&& echo success || echo failure > >> ifdown: interface lan01 not configured > >> success > > "ifdown lan01; echo $?" would be more informative here > > > >> # ifconfig > >> lan01 Link encap:Ethernet HWaddr 00:27:0E:17:99:35 > >> inet addr:192.168.0.198 Bcast:192.168.0.255 > >> Mask:255.255.255.0 > >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > >> RX packets:340 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:109 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:100 > >> RX bytes:34257 (33.4 KiB) TX bytes:15911 (15.5 KiB) > >> Memory:d0d00000-d0d20000 > >> > >> lo Link encap:Local Loopback > >> inet addr:127.0.0.1 Mask:255.0.0.0 > >> UP LOOPBACK RUNNING MTU:16436 Metric:1 > >> RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > >> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > >> collisions:0 txqueuelen:0 > >> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) > >> > >> I see two issues right off the top. First, as you can see, the lan01 > >> interface does exist but isn't seen by 'ifdown' > > ifdown checks iface state by looking into /var/run/ifstate. > > If you configured iface, say, by hand, ifdown will see nothing there > > and will think that "interface lan01 not configured". > > > > Whta is in your /var/run/ifstate and /etc/network/interfaces files? > > > >> and second, it's exit > >> status doesn't appear to be correct as it should have shown 'failure' > >> instead of 'success'. > > This is a bug _if_ standard ifdown does report failure in this case. > > Can you test standard tool behavior? > > > > Thanks for the reply Denys. I think I see where the problem lies - I > don't have a /var/run/ifstate file! What binary creates this file?
ifup and ifdown. (Although on some systmes they aren't binaries, they are scripts). > I'm > not configuring the iface by hand, but with utilities such as ifplugd, > udhcp, and if* binaries. If you dont use ifup to up the iface, why do you use ifdown to deconfigure it? > Also, the /etc/network/interfaces file does > get created in a script, but matches all the naming conventions and > works just fine. Thoughts? You seem to be confused. /etc/network/interfaces should be edited by admin, not created by scripts. -- vda _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
