icmp rpf

Mon Sep 25 00:49:39 UTC 2006

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Mark Kent wrote:
> virendra rode wrote:
>>> This is yet another reason one shouldn't rely on pings & traceroutes to
>>> perform reachability analysis.
> 
> So, you're in the "traceroute is not important" camp?
> (you'll note that in my email I did ask whether we think 
> traceroute is important)
- ----------------------------
I'm sure its important. All I'm saying is, icmp can get rate-limited
(many times it does) which could possibly lead to packet loss and even
drops while traversing hops.


regards,
/virendra


> 
> Mark Smith wrote:
>>> The non-announcers, because they're also breaking PMTUD.
> 
> Really?   How?   Remember, we're not talking about RFC1918 space,
> where there is a BCP that says we should filter it at the edge.
> We're talking about public IP space, that just doesn't happen to be
> announced outside of a particular AS.
> 
> Thanks,
> -mark
> 
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