icmp rpf

Patrick W. Gilmore patrick at ianai.net
Mon Sep 25 18:59:04 UTC 2006

On Sep 25, 2006, at 12:22 PM, Mark Kent wrote:
> Jared Mauch wrote:
>>> I would hope they're doing it for more than just ICMP packets.
> yes, loose RPF, but I just care about ICMP.
>>> I would argue should be, or is a current best practice.
> OK, so I must have missed the memo :-)

It's been all the rage. :)

> Who among AS1239, AS701, AS3356, AS7018, AS209 does loose RPF
> (not just strict RPF on single-homed customers)?

I'm wondering why that is relevant.

If all those ASNs only filtered on ASN instead of prefix for customer  
announcements (for instance), would that mean no one should?


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