Document redis configuration for network interface [ci skip]

doc/configuration.rst

@@ -64,6 +64,10 @@ We recommend that you make the following settings in your Redis server
 configuration file (which is located at :file:`/etc/redis.conf` on most
 systems)::
 
+    # If worker nodes are only reachable on a specific network interface,
+    # then make sure to bind any additional IP addresses here.
+    bind 127.0.0.1 10.0.0.1  # replace 10.0.0.1 with address on cluster network
+
     # Disable RDB snapshots.
     save ""