type=3D"cite" =
cite=3D"mid:523F3ED6-3E44-4ADA-9534-64735BC60804@FreeBSD.org" =
class=3D""><span style=3D"white-space: pre-wrap" class=3D"">
</span>
      <pre class=3D"moz-quote-pre" wrap=3D"">The MFC is Done !

Marek has extensive testing with them. I did stress testing on my dev =
machine. No known issues so far.
</pre>
    </blockquote><p class=3D""><span class=3D"HwtZe" lang=3D"en"><span =
class=3D"jCAhz JxVs2d ChMk0b"><span class=3D"ryNqvb">Thank you very much =
for the MFC of the
            commits set I suggested.</span></span> <span class=3D"jCAhz =
JxVs2d ChMk0b"><span class=3D"ryNqvb">I have been
            testing these changes for several weeks on =
10+</span></span></span><span class=3D"HwtZe" lang=3D"en"><span =
class=3D"jCAhz JxVs2d ChMk0b"><span class=3D"ryNqvb"> various hosts, =
including servers and routers</span></span></span><span class=3D"HwtZe" =
lang=3D"en"><span class=3D"jCAhz JxVs2d ChMk0b"><span class=3D"ryNqvb">, =
and I only see positive changes.</span></span>
        <span class=3D"jCAhz JxVs2d ChMk0b"><span class=3D"ryNqvb">I =
hope
            that no important commit was omitted in selecting the set
            for this MFC and there will be no complaints.</span></span>
        <span class=3D"jCAhz JxVs2d ChMk0b"><span class=3D"ryNqvb"><br =
class=3D"">
          </span></span></span></p><p class=3D""><span class=3D"HwtZe" =
lang=3D"en"><span class=3D"jCAhz JxVs2d ChMk0b"><span class=3D"ryNqvb">The=
 only thing I would suggest is to change
            in future the default value of net.inet6.icmp6.errppslimit
            to 200. It </span></span></span><span class=3D"HwtZe" =
lang=3D"en"><span class=3D"jCAhz JxVs2d ChMk0b"><span =
class=3D"ryNqvb">will
            be the same value as defaults for net.inet.icmp.icmplim. In
            my case it was required to silence spurious warnings on two
            web servers and BGP router. <br =
class=3D""></span></span></span></p></div></div></blockquote><div>The =
value 100 of tunable `net.inet6.icmp6.errppslimit` dates back to 2000, =
the first time it was introduced [1].</div><div><br =
class=3D""></div><div>I do not find any RFCs that has recommendation =
value for it. RFC 4443 section 2.4 (f) [2] has an example default of 10 =
that</div><div>is much smaller ( for small/mid-size devices =
).</div><div><br class=3D""></div><div>I expect the default value =
of&nbsp;<span style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" =
class=3D"">net.inet6.icmp6.errppslimit will stay 100 for much longer =
time &nbsp;;)</span></div><div><br class=3D""></div><div><br =
class=3D""></div><div>1. <a =
href=3D"https://cgit.freebsd.org/src/commit/sys/netinet6/in6_proto.c?h=3Ds=
table/7&amp;id=3D686cdd19b1b182f2257bc158116e78c5fef84980" =
class=3D"">https://cgit.freebsd.org/src/commit/sys/netinet6/in6_proto.c?h=3D=
stable/7&amp;id=3D686cdd19b1b182f2257bc158116e78c5fef84980</a>&nbsp;</div>=
<div>2.&nbsp;<a =
href=3D"https://www.rfc-editor.org/rfc/rfc4443.html#section-2.4" =
class=3D"">https://www.rfc-editor.org/rfc/rfc4443.html#section-2.4</a></di=
v><div><br class=3D""></div><div style=3D"caret-color: rgb(0, 0, 0); =
color: rgb(0, 0, 0);">Best regards,</div><div style=3D"caret-color: =
rgb(0, 0, 0); color: rgb(0, 0, 0);">Zhenlei</div><blockquote type=3D"cite"=
 class=3D""><div class=3D""><div class=3D""><p class=3D""><span =
class=3D"HwtZe" lang=3D"en"><span class=3D"jCAhz JxVs2d ChMk0b"><span =
class=3D"ryNqvb">
          </span></span></span></p><p class=3D"">With best regards,<br =
class=3D"">
    </p>
    <pre class=3D"moz-signature" cols=3D"72">--=20
Marek Zarychta</pre>
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