diff --git a/confluent_client/bin/nodediscover b/confluent_client/bin/nodediscover
index be75197d..da8b0b21 100755
--- a/confluent_client/bin/nodediscover
+++ b/confluent_client/bin/nodediscover
@@ -353,7 +353,7 @@ def blocking_scan(session):
 
 def main():
     parser = optparse.OptionParser(
-        usage='Usage: %prog [list|assign|rescan|clear] [options]')
+        usage='Usage: %prog [list|assign|rescan|clear|subscribe|unsubscribe|register] [options]')
     # -a for 'address' maybe?
     # order by
     # show state (discovered or..
diff --git a/confluent_client/confluent_env.sh b/confluent_client/confluent_env.sh
index 4d6cba5f..81a70198 100644
--- a/confluent_client/confluent_env.sh
+++ b/confluent_client/confluent_env.sh
@@ -82,6 +82,17 @@ function _confluent_generic_completion()
         return;
     fi
 }
+function _confluent_generic_ng_completion()
+{
+    _confluent_get_args
+    if [ $NUMARGS -ge 3 ] && [ ! -z "$GENNED" ]; then
+        COMPREPLY=($(compgen -W "$GENNED" -- ${COMP_WORDS[COMP_CWORD]}))
+    fi
+    if [ $NUMARGS -lt 3 ]; then
+        _confluent_ng_completion
+        return;
+    fi
+}
 _confluent_nodeidentify_completion()
 {
     COMP_CANDIDATES=("on,off,blink -h")
@@ -268,7 +279,20 @@ _confluent_nodeattrib_completion()
     _confluent_generic_completion
 }
 
+_confluent_define_completion()
+{
+    COMP_CANDIDATES=$(nodegroupattrib 'everything' all | awk '{print $2}'|sed -e 's/://')
+    _confluent_get_args
+    if [ $NUMARGS -ge 3 ] && [ ! -z "$GENNED" ]; then
+        COMPREPLY=($(compgen -W "$GENNED" -- ${COMP_WORDS[COMP_CWORD]}))
+    fi
+}
 
+_confluent_nodegroupattrib_completion()
+{
+    COMP_CANDIDATES=$(nodegroupattrib 'everything' all | awk '{print $2}'|sed -e 's/://')
+    _confluent_generic_ng_completion
+}
 _confluent_nn_completion()
 {
     _confluent_get_args
@@ -323,18 +347,30 @@ _confluent_ng_completion()
 
     COMPREPLY=($(compgen -W "$(confetty show /nodegroups|sed -e 's/\///' -e s/^/$PREFIX/)" -- "${COMP_WORDS[COMP_CWORD]}"))
 }
+
+_confluent_nodediscover_completion()
+{
+        _confluent_get_args
+        if [ $NUMARGS == 2 ]; then
+            COMPREPLY=($(compgen -W "list assign rescan clear subscribe unsubscribe register" -- ${COMP_WORDS[COMP_CWORD]}))
+            return;
+        fi
+
+}
+complete -F _confluent_nodediscover_completion nodediscover
 complete -F _confluent_nodeattrib_completion nodeattrib
-complete -F _confluent_nodeattrib_completion nodegroupattrib
 complete -F _confluent_nr_completion nodebmcreset
 complete -F _confluent_nodesetboot_completion nodeboot
 complete -F _confluent_nr_completion nodeconfig
 complete -F _confluent_nn_completion nodeconsole
+complete -F _confluent_define_completion nodedefine
+complete -F _confluent_define_completion nodegroupdefine
 complete -F _confluent_nr_completion nodeeventlog
 complete -F _confluent_nodefirmware_completion nodefirmware
 complete -F _confluent_nodedeploy_completion nodedeploy
 complete -F _confluent_osimage_completion osdeploy
 complete -F _confluent_imgutil_completion imgutil
-complete -F _confluent_ng_completion nodegroupattrib
+complete -F _confluent_nodegroupattrib_completion nodegroupattrib
 complete -F _confluent_ng_completion nodegroupremove
 complete -F _confluent_nr_completion nodehealth
 complete -F _confluent_nodeidentify_completion nodeidentify
diff --git a/confluent_client/doc/man/nodediscover.ronn b/confluent_client/doc/man/nodediscover.ronn
index 2d79c676..e5ef5f04 100644
--- a/confluent_client/doc/man/nodediscover.ronn
+++ b/confluent_client/doc/man/nodediscover.ronn
@@ -8,8 +8,9 @@ nodediscover(8)  -- List or manage confluent node discovery
 `nodediscover [options] assign`  
 `nodediscover [options] rescan`  
 `nodediscover [options] clear`  
-`nodediscover [options] subscribe`  
-`nodediscover [options] unsubscribe`  
+`nodediscover [options] subscribe [switch]`  
+`nodediscover [options] unsubscribe [switch]`  
+`nodediscover [options] register [Addresses, e.g. 192.168.1.2 or 192.168.1.0/24 or 192.168.1.1-192.168.1.28]`  
 
 ## DESCRIPTION
 
@@ -38,7 +39,10 @@ scan is the best approach to catch something that appears to be missing.
 detected device.  It takes the same arguments as **nodediscover list**.
 
 **nodediscover subscribe** and **unsubscribe** instructs confluent to subscribe to or
-unsubscribe from the designated (-n) node running affluent with system discovery support.
+unsubscribe from the designated switch running affluent with system discovery support.
+
+**nodediscover register** instructs confluent to perform a remote probe of an address, subnet,
+or range of IP addresses.
 
 ## CSV FORMAT