1 files changed, 104 insertions, 7 deletions

diff --git a/book-enea-nfv-core-installation-guide/doc/installation_instructions.xml b/book-enea-nfv-core-installation-guide/doc/installation_instructions.xml
index c4d9240..a094351 100644
--- a/book-enea-nfv-core-installation-guide/doc/installation_instructions.xml
+++ b/book-enea-nfv-core-installation-guide/doc/installation_instructions.xml
@@ -948,6 +948,103 @@ $ fuel plugins --install /opt/opnfv/fuel-plugin-kvm-1.0-1.0.0-1.noarch.rpm</prog
     </orderedlist>
   </section>
 
+  <section id="lag_lacp">
+    <title>Configure Network Bonding with LAG/LACP</title>
+
+    <para>Network bonding, network aggregation, or NIC bonding, is a network
+    technology that enables a user to maximize throughput by aggregating
+    multiple physical links into a single high-speed aggregated network
+    interface. In addition to increasing bandwidth, network bonding provides
+    fault tolerance.</para>
+
+    <para>The user must configure NIC bonding before or in the scope of
+    mapping logical networks to physical network interfaces.</para>
+
+    <para><emphasis role="bold">To configure network
+    interfaces</emphasis></para>
+
+    <para><orderedlist>
+        <listitem>
+          <para>In the Fuel web UI, click the <literal>Nodes</literal>
+          tab.</para>
+        </listitem>
+
+        <listitem>
+          <para>Select the nodes you want to configure the interfaces
+          on.</para>
+        </listitem>
+
+        <listitem>
+          <para>Click <literal>Configure Interfaces</literal>.</para>
+        </listitem>
+
+        <listitem>
+          <para>Select the network interfaces that you want to
+          aggregate.</para>
+        </listitem>
+
+        <listitem>
+          <para>Click <literal>Bond Interfaces</literal>.</para>
+        </listitem>
+
+        <listitem>
+          <para>In the <literal>Mode</literal> drop-down list, select
+          <literal>802.3ad(LACP)</literal> bonding mode: <mediaobject>
+              <imageobject role="fo">
+                <imagedata align="center" contentwidth="600"
+                           fileref="images/bonding_mode_LACP.svg" />
+              </imageobject>
+
+              <imageobject role="html">
+                <imagedata align="center"
+                           fileref="images/bonding_mode_LACP.png" />
+              </imageobject>
+            </mediaobject></para>
+        </listitem>
+
+        <listitem>
+          <para>Configure the LACP rate and the Xmit Hash Policy
+          <remark>Should there be an picture here to illustrate this
+          step?</remark></para>
+        </listitem>
+
+        <listitem>
+          <para>Optionally, create and configure additional network
+          interfaces, if needed.</para>
+        </listitem>
+
+        <listitem>
+          <para>Click <literal>Apply</literal>.</para>
+        </listitem>
+
+        <listitem>
+          <para>Configure LAG/LACP bonding on the corresponding physical
+          switch ports you use in your infrastructure.</para>
+
+          <para>For example, on a Extreme Network Summit X670 switch:</para>
+
+          <programlisting>enable sharing 14 grouping 14,16 algorithm address-based L2 lacp</programlisting>
+
+          <para>The aggregated link will look as such:</para>
+
+          <programlisting>* X670-48x #2.9 # show lacp lag 14
+ Lag   Actor    Actor  Partner           Partner  Partner Agg   Actor
+       Sys-Pri  Key    MAC               Sys-Pri  Key     Count MAC
+--------------------------------------------------------------------------------
+14          0  0x03f6 00:00:00:00:00:00       0  0x0000      0 00:04:96:9a:31:54
+Port list:
+Member     Port      Rx           Sel          Mux            Actor     Partner
+Port       Priority  State        Logic        State          Flags     Port
+--------------------------------------------------------------------------------
+14         0         Defaulted    Unselected   Detached       A-G---F-  0
+16         0         Defaulted    Unselected   Detached       A-G---F-  0
+================================================================================
+Actor Flags: A-Activity, T-Timeout, G-Aggregation, S-Synchronization
+             C-Collecting, D-Distributing, F-Defaulted, E-Expired</programlisting>
+        </listitem>
+      </orderedlist></para>
+  </section>
+
   <section id="add_rm_repos">
     <title>Adding/Removing Repositories</title>
 
@@ -1210,10 +1307,10 @@ $ fuel plugins --install /opt/opnfv/fuel-plugin-kvm-1.0-1.0.0-1.noarch.rpm</prog
           </listitem>
 
           <listitem>
-            <para>Assign interfaces (in this case Public, Storage and
-            Management were set on the first 10GbE Port and Private on the
-            second 10GbE port, with Admin on a 1Gb port), and click
-            [Apply].<mediaobject>
+            <para>Assign physical interfaces or bonds (in this case Public,
+            Storage and Management were set on the first 10GbE Port and
+            Private on the second 10GbE port, with Admin on a 1Gb port), and
+            click [Apply].<mediaobject>
                 <imageobject role="fo">
                   <imagedata align="center" contentwidth="600"
                              fileref="images/config_nodes.svg" />
@@ -1240,9 +1337,9 @@ $ fuel plugins --install /opt/opnfv/fuel-plugin-kvm-1.0-1.0.0-1.noarch.rpm</prog
           </listitem>
 
           <listitem>
-            <para>Assign interfaces (in this case Public, Storage and
-            Management were set on the first 10GbE Port and Private on the
-            second 10GbE port; Admin is on a 1Gb port)</para>
+            <para>Assign physical interfaces or bonds (in this case Public,
+            Storage and Management were set on the first 10GbE Port and
+            Private on the second 10GbE port; Admin is on a 1Gb port)</para>
           </listitem>
 
           <listitem>