[Bug 8046] ifup -a and udhcp sending before link up

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=8046

--- Comment #1 from robert_cz <robert_cz at o2.pl> 2015-04-25 11:38:34 UTC ---
(In reply to comment #0)
> Hello,
> 
> We are using your soft in out platform based don STi processor. We have
> detected that on some installation are problems to obtain dynamic IP from DHCP
> server using ifup -a.
> I have check TCP/IP packages using Wireshark and looks that ifup starting to
> send udhcp packages before physical linkup - in console I see 3 udhcp discovery
> packages, but in wireshark only one.
> 
> It is possible to add some link checking mechanism like in ifplugd.c over
> SIOCETHTOOL?
> 
> Best regards

I have forgot: Timeout for link in my opinion can be 3,5s like in this
documentation http://www.ieee802.org/3/af/public/jan02/brown_1_0102.pdf

-- 
Configure bugmail: https://bugs.busybox.net/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.