diff --git a/lib/App/Netdisco/Web/Plugin/Device/Neighbors.pm b/lib/App/Netdisco/Web/Plugin/Device/Neighbors.pm
index d18265eb..52bb588b 100644
--- a/lib/App/Netdisco/Web/Plugin/Device/Neighbors.pm
+++ b/lib/App/Netdisco/Web/Plugin/Device/Neighbors.pm
@@ -25,6 +25,19 @@ ajax '/ajax/data/device/netmappositions' => require_login sub {
     my $vlan = param('vlan');
     undef $vlan if (defined $vlan and $vlan !~ m/^\d+$/);
 
+    my $mapshow = param('mapshow');
+    return if !defined $mapshow or $mapshow !~ m/^(?:all|only)$/;
+
+    # list of groups selected by user and passed in param
+    my $devgrp = (ref [] eq ref param('devgrp') ? param('devgrp') : [param('devgrp')]);
+    # list of groups validated as real host groups and named host groups
+    my @hgrplist = List::MoreUtils::uniq
+                   grep { exists setting('host_group_displaynames')->{$_} }
+                   grep { exists setting('host_groups')->{$_} }
+                   grep { defined } @{ $devgrp };
+    return if $mapshow eq 'only' and 0 == scalar @hgrplist;
+    push(@hgrplist, '__ANY__') if 0 == scalar @hgrplist;
+
     my %clean = ();
     POSITION: foreach my $pos (@$positions) {
       next unless ref {} eq ref $pos;
@@ -34,24 +47,23 @@ ajax '/ajax/data/device/netmappositions' => require_login sub {
       }
       $clean{$pos->{ID}} = { x => $pos->{x}, y => $pos->{y} };
     }
-
     return unless scalar keys %clean;
+
     my $posrow = schema('netdisco')->resultset('NetmapPositions')->find({
-      device_groups => \[ '= ?', [device_groups => [sort (List::MoreUtils::uniq( '__ANY__' )) ]] ],
+      device_groups => \[ '= ?', [device_groups => [sort @hgrplist]] ],
       vlan => ($vlan || 0)});
     if ($posrow) {
       $posrow->update({ positions => to_json(\%clean) });
     }
     else {
       schema('netdisco')->resultset('NetmapPositions')->create({
-        device_groups => [sort (List::MoreUtils::uniq( '__ANY__' )) ],
+        device_groups => [sort @hgrplist],
         vlan => ($vlan || 0),
         positions => to_json(\%clean),
       });
     }
 };
 
-# colorgroups
 # dynamicsize
 
 ajax '/ajax/data/device/netmap' => require_login sub {
@@ -66,6 +78,14 @@ ajax '/ajax/data/device/netmap' => require_login sub {
     $mapshow = 'neighbors' if $mapshow !~ m/^(?:all|neighbors|only)$/;
     $mapshow = 'all' unless $qdev->in_storage;
 
+    # list of groups selected by user and passed in param
+    my $devgrp = (ref [] eq ref param('devgrp') ? param('devgrp') : [param('devgrp')]);
+    # list of groups validated as real host groups and named host groups
+    my @hgrplist = List::MoreUtils::uniq
+                   grep { exists setting('host_group_displaynames')->{$_} }
+                   grep { exists setting('host_groups')->{$_} }
+                   grep { defined } @{ $devgrp };
+
     my %id_for = ();
     my %ok_dev = ();
     my %v3data = ( nodes => {}, links => [] );
@@ -109,7 +129,8 @@ ajax '/ajax/data/device/netmap' => require_login sub {
     # DEVICES (NODES)
 
     my $posrow = schema('netdisco')->resultset('NetmapPositions')->find({
-      device_groups => \[ '= ?', [device_groups => [sort (List::MoreUtils::uniq( '__ANY__' )) ]] ],
+      device_groups => \[ '= ?',
+        [device_groups => [$mapshow eq 'all' ? '__ANY__' : (sort @hgrplist)]] ],
       vlan => ($vlan || 0)});
     my $pos_for = from_json( $posrow ? $posrow->positions : '{}' );
 
@@ -118,13 +139,6 @@ ajax '/ajax/data/device/netmap' => require_login sub {
       '+select' => [\'row_number() over()'], '+as' => ['row_number'],
     });
 
-    # list of groups selected by user and passed in param
-    my $devgrp = (ref [] eq ref param('devgrp') ? param('devgrp') : [param('devgrp')]);
-    # list of groups validated as real host groups and named host groups
-    my @hgrplist = grep { exists setting('host_group_displaynames')->{$_} }
-                   grep { exists setting('host_groups')->{$_} }
-                   grep { defined } @{ $devgrp };
-
     DEVICE: while (my $device = $devices->next) {
       # if in neighbors or vlan mode then use %ok_dev to filter
       next DEVICE if (($mapshow eq 'neighbors') or $vlan)
diff --git a/share/views/ajax/device/netmap.tt b/share/views/ajax/device/netmap.tt
index 57547d87..554bbe39 100644
--- a/share/views/ajax/device/netmap.tt
+++ b/share/views/ajax/device/netmap.tt
@@ -70,12 +70,11 @@ $.getJSON('[% uri_for('/ajax/data/device/netmap') %]?[% my_query %]', function(m
       if (mapdata['v3']['newnodes']) {
         $.post(
           '[% uri_for('/ajax/data/device/netmappositions') %]'
-          ,'vlan=[% params.vlan %]&positions=' + JSON.stringify(graph.positions())
+          ,$("#nd_vlan-entry, #nd_devgrp-select, input[name='mapshow']").serialize()
+            + '&positions=' + JSON.stringify(graph.positions())
         );
       }
-      // else {
-      //   graph.zoomToFit();
-      // }
+      // else { graph.zoomToFit() }
 
       graph.inspect().main.nodes.on('mouseup.dragall', function(n) {
         graph['nd2']['dragging'] = false;
diff --git a/share/views/js/device.js b/share/views/js/device.js
index 5ec3838f..ffcfbffb 100644
--- a/share/views/js/device.js
+++ b/share/views/js/device.js
@@ -123,7 +123,8 @@
       // if user enters vlan but does not submit this will save wrong data
       $.post(
         '[% uri_for('/ajax/data/device/netmappositions') %]'
-        ,'vlan=' + $('#nd_vlan-entry').val() + '&positions=' + JSON.stringify(graph.positions())
+        ,$("#nd_vlan-entry, #nd_devgrp-select, input[name='mapshow']").serialize()
+          + '&positions=' + JSON.stringify(graph.positions())
       );
     });
     $('#nd_netmap-zoomtodevice').on('click', function(event) {
diff --git a/share/views/sidebar/device/netmap.tt b/share/views/sidebar/device/netmap.tt
index 1081c3cb..dc9f50f5 100644
--- a/share/views/sidebar/device/netmap.tt
+++ b/share/views/sidebar/device/netmap.tt
@@ -70,7 +70,7 @@
             [% IF devgrp_list.size %]
             <div class="clearfix">
               <select class="nd_side-select" size="[% devgrp_list.size > 5 ? 5 : devgrp_list.size %]"
-                multiple="on" name="devgrp"
+                multiple="on" name="devgrp" id="nd_devgrp-select"
                 rel="tooltip" data-placement="left" data-offset="5" data-title="Host Groups"/>
                 [% FOREACH opt IN devgrp_list.pairs %]
                 <option[% ' selected="selected"' IF devgrp_lkp.exists(opt.key) %]