[43889] in North American Network Operators' Group
Re: Digital Island sponsors DoS attempt?
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Fri Oct 26 20:35:24 2001
Message-Id: <200110270034.f9R0YrUg031369@foo-bar-baz.cc.vt.edu>
To: "Quibell, Marc" <mquibell@icn.state.ia.us>
Cc: nanog@merit.edu
In-Reply-To: Your message of "Fri, 26 Oct 2001 13:57:49 CDT."
<EF4A9841BCC9D5119E28009027923DF0137076@yosemite.icn.state.ia.us>
From: Valdis.Kletnieks@vt.edu
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Date: Fri, 26 Oct 2001 20:34:53 -0400
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On Fri, 26 Oct 2001 13:57:49 CDT, "Quibell, Marc" said:
> I don't believe I have it backwards, since RFC1191, the one you quoted,
> states:
Oh.. What you originally said was:
> off ICMP routing. And no I do not believe it is used across the internet,
> and if it does, it is probably hindering performance since it's probably
> using a lower mtu than is allowed, such as 576 or smaller. It would also
Which I read as "and if it (PMTUd) *is* used, it is probably hindering
performance". If what you meant was "if it isn't used, you're stuck with
576, which hinders performance", that that is quite correct...
> I imagine this'll all change though whenever IPv6 comes about since the min.
> MTU size will be (approx.) 1200. As another poster stated, IPv6 requires
> PMTU, so this could become a nasty little problem.
That other poster was me too... Unless I'm confused... ;)
Hopefully we'll get lucky and the clue level required to deploy IPv6 will be
high enough that people will get the obvious stuff right. ;)
--
Valdis Kletnieks
Operating Systems Analyst
Virginia Tech
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