North American Network Operators Group
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Re: Who does source address validation? (was Re: what's that smell?)
- From: David Schwartz
- Date: Wed Oct 09 13:51:31 2002
>>Ok but real world calling. I have tried this and when customers find
>>something
>>doesnt work on your network but it does on your competitor you make it
>>work even
>>if that means breaking rules.
>
>What services require transport of packets with RFC1918 source
>addresses across the public network?
>
>I can think of esoteric examples of things it would be possible to do,
>but nothing that a real-world user might need (or have occasion to
>complain about).
>
>Do you have experience of such breakage from your own customers? It
>would be interesting to hear details.
Loss of ICMP packets generated by links with endpoints numbered in RFC1918
space. Holes in traceroutes, broken PMTU detection.
DS
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