Debugging an ARP issue (no resp to ARP requests)
mandeepsandhu.chd at gmail.com
Mon Jan 19 19:55:23 EST 2015
> Have you tried to put debug prints in arp_process function?
Not yet. I'm using the Ubuntu 14.10 kernel. I'm lazy and don't want to
rebuild their kernel (an config), so trying to figure out if I can
narrow down the problem without it! :)
>> I don't see any drops in "netstat -s" output as well.
>> Any hints appreciated.
> Just a random guess, but try to disable reverse path filtering (rp_filter).
I just did actually. Unfortunately that didn't work either.
Interestingly, I tried the same experiment with 2 "regular" ethernet
interfaces on my machine and in that too the ARPs never resolve. This
indicates that this looks like a config issue and IP/routing issue?
>> ???? w??T?g < < ?????? ?~e ?~e?? ??
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