X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fcollectd.conf.pod;h=fde349314729b9273c4185c8b78dc05f6a63202a;hb=0bea34913ed61ddbca574163afafac4ff6f05970;hp=b992eac126a140fc4f42051a31526df13eb18cca;hpb=ca4a6c8a856a9012270ec10389b08d54e70e3401;p=collectd.git

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index b992eac1..fde34931 100644
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -2540,6 +2540,23 @@ do that: By setting B<IgnoreSelected> to I<true> the effect of
 B<Interface> is inverted: All selected interfaces are ignored and all
 other interfaces are collected.
 
+It is possible to use regular expressions to match interface names, if the
+name is surrounded by I</.../> and collectd was compiled with support for
+regexps. This is useful if there's a need to collect (or ignore) data
+for a group of interfaces that are similarly named, without the need to
+explicitly list all of them (especially useful if the list is dynamic).
+Example:
+
+ Interface "lo"
+ Interface "/^veth/"
+ Interface "/^tun[0-9]+/"
+ IgnoreSelected "true"
+
+This will ignore the loopback interface, all interfaces with names starting
+with I<veth> and all interfaces with names starting with I<tun> followed by
+at least one digit.
+
+
 =item B<UniqueName> I<true>|I<false>
 
 Interface name is not unique on Solaris (KSTAT), interface name is unique 
@@ -6271,9 +6288,9 @@ removed from the internal cache.
 
 =item B<CounterSum> B<false>|B<true>
 
-When enabled, create a C<count> metric which reports the change since the last
+When enabled, creates a C<count> metric which reports the change since the last
 read. This option primarily exists for compatibility with the I<statsd>
-impelemtation by Etsy.
+implementation by Etsy.
 
 =item B<TimerPercentile> I<Percent>