Subj : Basic Steps / Checks to look at IPv6
To   : Markus Reschke
From : Michiel van der Vlist
Date : Mon Sep 21 2015 20:12:24

Hello Markus,

On Monday September 21 2015 18:10, you wrote to me:

 MvdV>> ICMP is essential for the proper operation of IPv6. Disabeling
 MvdV>> it by default is bad juju. It should be enabled by default, at
 MvdV>> least for IPv6.

 MR> Echo request/reply is just a small part of ICMP.

Indeed. And the ping itself is not all that important. "Packet too large messages" are much more important in IPv6.

Are you saying that it is just echo request thatis disabled by default in WIn 7 and that other ICMP traffic is not?

 MR> The best approach is to rate limit echo requests to allow debugging
 MR> while protecting the host/net.

Indeed, but that requires more than the Windows firewall that Paul has on his tunneled IPv6 connection. With that it is all or nothing. Isn't it?


Cheers, Michiel

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