[SATLUG] ifconfig commands
Ernest De Leon
edeleonjr at gmail.com
Fri Apr 18 01:29:29 CDT 2008
do you have the ifplugd daemon running? if so, that explains the
behavior....just MAN ifplugd
On Thu, Apr 17, 2008 at 11:12 PM, Geoff <geoff at w5omr.shacknet.nu> wrote:
> Here's a headscratcher (for me, anyway)
> yesterday, sometime between 2am and 6:30am, TW/RR issued a new ip address.
> Took a while to figure out what was happening... all kinds of bad scenarios
> were going through my mind... cable modem gone bad... nic bit the dust,
> 10/100 switch finally crapped out after 7 years... etc...
> so, I unplugged the cable modem from eth0 on the openSuSE 10.3 server, and
> plugged it into the slaptop, running winders. Bam! had connection.
> ok - not the cable modem, but that don't clear eth0 or the switch...
> got to dinking on the command line....
> 'ifconfig eth0'
> resulted in the same ip I've had for better'n 8 months...
> I thought 'well, let's release and renew and see what happens'.
> Unplugged the cable modem again and plugged it back in. Ran
> 'ifconfig eth0 down'
> then did
> 'ifconfig eth0'
> and immediately had a different ip address *and* internet connection.
> Uhm... 'ifconfig eth0 down' I understand doesn't unload the module or
> unconfigure it, just places the the interface called eth0 in a downed state.
> but... (and here's where I'm scratching my head) if I ran 'ifconfig eth0
> down' and then did 'ifconfig eth0' and had a different ip address, and
> connectivity with the outside world, why didn't I have to 'ifconfig eth0 up'
> SATLUG mailing list
> SATLUG at satlug.org
> http://alamo.satlug.org/mailman/listinfo/satlug to unsubscribe
> Powered by Rackspace (www.rackspace.com)
Ernest de Leon
"They who can give up essential liberty to obtain a little temporary safety
deserve neither liberty nor safety." - A common 18th Century sentiment
voiced by Benjamin Franklin
"A patriot must always be ready to defend his country against his
government." - Edward Abbey
"All that is necessary for evil to triumph is for good men to do nothing." -
Edmund Burke, English statesman and political philosopher (1729-1797)
More information about the SATLUG