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authorBrian Somers <brian@FreeBSD.org>2001-09-03 03:09:59 +0000
committerBrian Somers <brian@FreeBSD.org>2001-09-03 03:09:59 +0000
commit7f85b08e060afda6ecefa186241ab7bfd9198c82 (patch)
tree42145a52e4481b06758bd6961911b9429b57d6f0
parent3baa9ec573c8f5b8333c51c16a44a54d0878af28 (diff)
downloaddoc-7f85b08e060afda6ecefa186241ab7bfd9198c82.tar.gz
doc-7f85b08e060afda6ecefa186241ab7bfd9198c82.zip
Give better and more correct information about black hole routers.
Suggested by: Guy Poizat <device@club-internet.fr> PR: 26489
Notes
Notes: svn path=/head/; revision=10555
-rw-r--r--en_US.ISO8859-1/books/faq/book.sgml24
1 files changed, 13 insertions, 11 deletions
diff --git a/en_US.ISO8859-1/books/faq/book.sgml b/en_US.ISO8859-1/books/faq/book.sgml
index 5f7756bd04..63fe44ade7 100644
--- a/en_US.ISO8859-1/books/faq/book.sgml
+++ b/en_US.ISO8859-1/books/faq/book.sgml
@@ -17,7 +17,7 @@
<corpauthor>The FreeBSD Documentation Project</corpauthor>
- <pubdate>$FreeBSD: doc/en_US.ISO8859-1/books/faq/book.sgml,v 1.259 2001/08/31 16:26:23 dd Exp $</pubdate>
+ <pubdate>$FreeBSD: doc/en_US.ISO8859-1/books/faq/book.sgml,v 1.260 2001/08/31 17:04:49 dd Exp $</pubdate>
<copyright>
<year>1995</year>
@@ -10008,22 +10008,24 @@ ATDT1234567</programlisting>
<programlisting>HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\NetTrans\0000\MaxMTU</programlisting>
- <para>It should be a string with a value <quote>1450</quote>
- (more accurately it should be <quote>1464</quote> to fit TCP
- packets into a PPPoE frame perfectly but the
- <quote>1450</quote> gives you a margin of error for other IP
- protocols you may encounter). This registry key is reported to
- have moved to
+ <para>It should be a string with a value <quote>1436</quote>, as
+ some ADSL routers are reported to be unable to deal with packets
+ larger than this. This registry key has been changed to
<literal>Tcpip\Parameters\Interfaces\<replaceable>ID for adapter</replaceable>\MTU</literal>
- in Windows 2000.</para>
+ in Windows 2000 and becomes a DWORD.</para>
<para>Refer to <ulink
URL="http://search.support.microsoft.com/kb">Microsoft Knowledge
Base</ulink> documents <quote>Q158474 - Windows TCPIP Registry
Entries</quote> and <quote>Q120642 - TCPIP & NBT Configuration
- Parameters for Windows NT</quote> for more information on
- changing Windoze MTU to work with a FreeBSD/NAT/PPPoE
- router.</para>
+ Parameters for Windows NT</quote> and <ulink
+ url="http://support.microsoft.com/support/kb/articles/Q120/6/42.asp">
+ Microsoft Q120</ulink> for more information on
+ changing Windows MTU to work with a NAT router.</para>
+
+ <para>Another regedit possibility under Windows 2000 is to set the
+ <literal>Tcpip\Parameters\Interfaces\<replaceable>ID for adapter</replaceable>\EnablePMTUBHDetect</literal>
+ DWORD to 1 as mentioned in the Microsoft Q120 link above.</para>
<para>Unfortunately, MacOS does not provide an interface for
changing TCP/IP settings. However, there is commercial software