Subject: Re: arp warning message
To: Ignatios Souvatzis <email@example.com>
From: Andrew Brown <firstname.lastname@example.org>
Date: 08/17/2000 14:54:03
>> arplookup() in if_arp.c sometimes spews this message
>> "arplookup: unable to enter address for %s (%s)"
>> and i thought i understood what triggered it, but apparently i'm
>> wrong. or...i'm not the net.hacker i thought i was.
>> can someone please describe a packet or sequence of packets (i imagine
>> two at most) which will trigger this message? i can manufacture
>> packets quite easily using bpf (except the ethernet source address),
>> but can't get this code sequence to trigger.
>I think an ARP packet from a different IPv4 network on your Ethernet will
>trigger it. To be precise: an ARP packet with the src IPv4 address in the
>data area belonging to a IPv4 address which does not belong to the IPv4 network
>configures on the incoming interface.
request or reply? i guess i can try both...
> But I'd have to check the source to verify.
i tried that, but i'm not entirely sure what i'm looking at.
|-----< "CODE WARRIOR" >-----|
email@example.com * "ah! i see you have the internet
firstname.lastname@example.org (Andrew Brown) that goes *ping*!"
email@example.com * "information is power -- share the wealth."