svn commit: r51703 - head/en_US.ISO8859-1/books/handbook/advanced-networking
Sevan Janiyan <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.cvs.doc |
|---|---|
| Message-ID | <[email protected]> |
Author: sevan
Date: Tue May 22 14:33:42 2018
New Revision: 51703
URL: https://svnweb.freebsd.org/changeset/doc/51703
Log:
CARP preemption explanation is misleading
PR: 208681
Submitted by: philipp AT copythat de
Approved by: bcr (mentor)
Differential Revision: https://reviews.freebsd.org/D15519
Modified:
head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
Modified: head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
==============================================================================
--- head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml Tue May 22 07:29:23 2018 (r51702)
+++ head/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml Tue May 22 14:33:42 2018 (r51703)
@@ -5105,13 +5105,15 @@ ifconfig_<replaceable>em0</replaceable>_alias1="inet v
the master becomes available again.</para>
<note>
- <para>Preemption is disabled by default. If preemption has
- been enabled, <systemitem>hostc.example.org</systemitem>
- might not release the virtual <acronym>IP</acronym> address
- back to the original master server. The administrator
+ <para>If the original master server becomes available again,
+ <systemitem>hostc.example.org</systemitem> will not release
+ the virtual <acronym>IP</acronym> address back to it
+ automatically. For this to happen, preemption has to be
+ enabled. The feature is disabled by default,
+ it is controlled via the &man.sysctl.8; variable
+ <varname>net.inet.carp.preempt</varname>. The administrator
can force the backup server to return the
- <acronym>IP</acronym> address to the master with the
- command:</para>
+ <acronym>IP</acronym> address to the master:</para>
<screen>&prompt.root; <userinput>ifconfig em0 vhid 1 state backup</userinput></screen>
</note>
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