dhcpcd and NOARP on the itnerface
Kobi Cohen-Arazi
Sun Jun 23 15:27:57 2013
Hi Folks,
In my environment, I'm setting NOARP on the wireless interface and then
running dhcpcd.
After dhcpcd is done, I'm clearing NOARP flag from the wireless interface.
Both setting and clearing the NOARP flag is done from C code, kernel mode.
What I see is some kind of a race condition where even after I clear this
NOARP flag from the interface, ARP table is not updated.
I need to manually ifconfig "wlan0 -arp" and "wlano arp" (from the shell)
in order to bring the interface back to a normal operation. i.e. have ARP
table updated with new entries.
Any idea if the above sequence might trigger some kind of a race condition
where the whole ARP state is busted?
Thanks in advance,
- Kobi
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