diff --git a/reference/snmp/functions/snmprealwalk.xml b/reference/snmp/functions/snmprealwalk.xml
index 300c859de5..b46ee5af37 100644
--- a/reference/snmp/functions/snmprealwalk.xml
+++ b/reference/snmp/functions/snmprealwalk.xml
@@ -17,9 +17,86 @@
    <methodparam choice="opt"><type>int</type><parameter>timeout</parameter></methodparam>
    <methodparam choice="opt"><type>int</type><parameter>retries</parameter></methodparam>
   </methodsynopsis>
-
-   &warn.undocumented.func;
-
+  <para>
+   The <function>snmprealwalk</function> function is used to traverse over a number
+   of <acronym>SNMP</acronym> objects starting from <parameter>object_id</parameter>
+   and return not only their values but also their object ids.
+  </para> 
+ </refsect1>
+ 
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>host</parameter></term>
+     <listitem><para>The hostname of the <acronym>SNMP</acronym> agent (server).</para></listitem>
+    </varlistentry>
+    <varlistentry>
+     <term><parameter>community</parameter></term>
+     <listitem><para>The read community.</para></listitem>
+    </varlistentry>
+    <varlistentry>
+     <term><parameter>object_id</parameter></term>
+     <listitem><para>The <acronym>SNMP</acronym> object id which precedes the wanted one.</para></listitem>
+    </varlistentry>
+    <varlistentry>
+     <term><parameter>timeout</parameter></term>
+     <listitem><para>The number of microseconds until the first timeout.</para></listitem>
+    </varlistentry>
+    <varlistentry>
+     <term><parameter>retries</parameter></term>
+     <listitem><para>The number of retries in case timeouts occur.</para></listitem>
+    </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
+ 
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <para>
+   Returns an associative array of the <acronym>SNMP</acronym> object ids and their values on success or &false; on error.
+   In case of an error, an E_WARNING message is shown.
+  </para>
+ </refsect1>
+ 
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <para>
+   <example>
+    <title>Using <function>snmprealwalk</function></title>
+    <programlisting role="php">
+<![CDATA[
+<?php
+ print_r(snmprealwalk("localhost", "public", "IF-MIB::ifName"));
+?>
+]]>
+    </programlisting>
+    
+    <para>
+     The above will output something like:
+<![CDATA[     
+    Array
+      (
+      [IF-MIB::ifName.1] => STRING: lo
+      [IF-MIB::ifName.2] => STRING: eth0
+      [IF-MIB::ifName.3] => STRING: eth2
+      [IF-MIB::ifName.4] => STRING: sit0
+      [IF-MIB::ifName.5] => STRING: sixxs
+    )
+]]>
+    </para>
+   </example>
+  </para>
+ </refsect1>
+ 
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <para>
+   <simplelist>
+    <member><function>snmpwalk</function></member>
+   </simplelist>
+  </para>
  </refsect1>
 </refentry>
 
@@ -43,3 +120,4 @@ vim600: syn=xml fen fdm=syntax fdl=2 si
 vim: et tw=78 syn=sgml
 vi: ts=1 sw=1
 -->
+