diff --git a/app/Http/Controllers/ZoneController.php b/app/Http/Controllers/ZoneController.php
index 87c9744..b301412 100644
--- a/app/Http/Controllers/ZoneController.php
+++ b/app/Http/Controllers/ZoneController.php
@@ -95,6 +95,25 @@ class ZoneController extends Controller
 			->with('o',$o);
 	}
 
+	/**
+	 * Set address as default for zone
+	 *
+	 * @param Request $request
+	 * @param Address $o
+	 */
+	public function api_default(Request $request,Zone $o)
+	{
+		$this->authorize('admin',$o);
+
+		$default = $o->systems->where('pivot.default',TRUE);
+		if ($default->count() && ($default->first()->id != $request->sid))
+			abort(404);
+
+		$o->systems()->updateExistingPivot($request->sid,[
+			'default' => (bool)$request->set,
+		]);
+	}
+
 	public function home()
 	{
 		return view('zone.home');
diff --git a/app/Models/Address.php b/app/Models/Address.php
index 5d74813..707ea26 100644
--- a/app/Models/Address.php
+++ b/app/Models/Address.php
@@ -38,42 +38,48 @@ class Address extends Model
 		if (! $this->session('sespass'))
 			return $this->hasMany(self::class,'id','void');
 
-		switch ($this->role) {
-			case DomainController::NODE_ZC:
-				$children = self::select('addresses.*')
-					->where('zone_id',$this->zone_id);
+		if (! $this->session('default')) {
+			switch ($this->role) {
+				case DomainController::NODE_ZC:
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id);
 
-				break;
+					break;
 
-			case DomainController::NODE_RC:
-				$children = self::select('addresses.*')
-					->where('zone_id',$this->zone_id)
-					->where('region_id',$this->region_id);
+				case DomainController::NODE_RC:
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id)
+						->where('region_id',$this->region_id);
 
-				break;
+					break;
 
-			case DomainController::NODE_NC:
-				$children = self::select('addresses.*')
-					->where('zone_id',$this->zone_id)
-					->where('region_id',$this->region_id)
-					->where('host_id',$this->host_id);
+				case DomainController::NODE_NC:
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id)
+						->where('region_id',$this->region_id)
+						->where('host_id',$this->host_id);
 
-				break;
+					break;
 
-			case DomainController::NODE_HC:
-				// Identify our children.
-				$children = self::select('addresses.*')
-					->where('hub_id',$this->id);
+				case DomainController::NODE_HC:
+					// Identify our children.
+					$children = self::select('addresses.*')
+						->where('hub_id',$this->id);
 
-				break;
+					break;
 
-			case DomainController::NODE_ACTIVE:
-			case DomainController::NODE_POINT:
-				// Nodes dont have children, but must return a relationship instance
-				return $this->hasOne(self::class,NULL,'void');
+				case DomainController::NODE_ACTIVE:
+				case DomainController::NODE_POINT:
+					// Nodes dont have children, but must return a relationship instance
+					return $this->hasOne(self::class,NULL,'void');
 
-			default:
-				throw new Exception('Unknown role: '.serialize($this->role));
+				default:
+					throw new Exception('Unknown role: '.serialize($this->role));
+			}
+
+		} else {
+			$children = self::select('addresses.*')
+				->where('zone_id',$this->zone_id);
 		}
 
 		// Remove any children that we have session details for (SAME AS HC)
@@ -116,9 +122,12 @@ class Address extends Model
 			return $this;
 
 		switch ($this->role) {
-			// ZCs dont have parents.
+			// ZCs dont have parents, but we may have a default
 			case DomainController::NODE_ZC:
-				return NULL;
+				if (($x=$this->zone->systems->where('pivot.default',TRUE))->count())
+					return $x->first()->match($this->zone)->first();
+				else
+					return NULL;
 
 			// RC
 			case DomainController::NODE_RC:
diff --git a/app/Models/System.php b/app/Models/System.php
index ce5afdd..20d2ed8 100644
--- a/app/Models/System.php
+++ b/app/Models/System.php
@@ -34,7 +34,7 @@ class System extends Model
 	public function sessions()
 	{
 		return $this->belongsToMany(Zone::class)
-			->withPivot(['sespass','pktpass','ticpass','fixpass','zt_ipv4','zt_ipv6']);
+			->withPivot(['sespass','pktpass','ticpass','fixpass','zt_ipv4','zt_ipv6','default']);
 	}
 
 	/**
diff --git a/app/Models/Zone.php b/app/Models/Zone.php
index cc73a9f..106c612 100644
--- a/app/Models/Zone.php
+++ b/app/Models/Zone.php
@@ -40,4 +40,13 @@ class Zone extends Model
 	{
 		return $this->belongsTo(System::class);
 	}
+
+	/**
+	 * Get the default route for this zone
+	 */
+	public function systems()
+	{
+		return $this->belongsToMany(System::class)
+			->withPivot(['default']);
+	}
 }
\ No newline at end of file
diff --git a/database/migrations/2021_08_08_125817_default_route.php b/database/migrations/2021_08_08_125817_default_route.php
new file mode 100644
index 0000000..f84119e
--- /dev/null
+++ b/database/migrations/2021_08_08_125817_default_route.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class DefaultRoute extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+		Schema::table('system_zone', function (Blueprint $table) {
+			$table->boolean('default')->nullable();
+		});
+
+		DB::statement('CREATE UNIQUE INDEX default_zone ON system_zone (zone_id) WHERE "default" = true');
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+		DB::statement("DROP UNIQUE INDEX default_zone");
+
+		Schema::table('system_zone', function (Blueprint $table) {
+			$table->dropColumn('default');
+		});
+    }
+}
diff --git a/resources/views/domain/view.blade.php b/resources/views/domain/view.blade.php
index 5b8d8eb..e5b685a 100644
--- a/resources/views/domain/view.blade.php
+++ b/resources/views/domain/view.blade.php
@@ -70,7 +70,7 @@
 						@foreach ($o->zones->sortBy('zone_id') as $oz)
 							@foreach ($oz->addresses as $ao)
 								<tr>
-									<td><a href="{{ url('ftn/system/addedit',[$ao->system_id]) }}">{{ $ao->system->full_name($ao) }}</a> @auth<span class="float-end"><small>@if($ao->session('sespass'))<sup>*</sup>@elseif($ao->system->setup)<sup class="success">+</sup>@endif[{{ $ao->system_id }}]</small></span>@endauth</td>
+									<td><a href="{{ url('ftn/system/addedit',[$ao->system_id]) }}">{{ $ao->system->full_name($ao) }}</a> @auth<span class="float-end"><small>@if($ao->session('sespass'))<sup>{{ $ao->session('default') ? '**' : '*' }}</sup>@elseif($ao->system->setup)<sup class="success">+</sup>@endif[{{ $ao->system_id }}]</small></span>@endauth</td>
 									<td>{{ $ao->system->sysop }}</td>
 									<td>{{ $ao->system->location }}</td>
 									<td>{{ $ao->ftn_3d }}</td>
@@ -82,7 +82,7 @@
 						@auth
 							<tfoot>
 							<tr>
-								<td colspan="5"><sup>*</sup>System defined here <sup class="success">+</sup>This system</td>
+								<td colspan="5"><sup>**</sup>Default route <sup>*</sup>System defined here <sup class="success">+</sup>This system</td>
 							</tr>
 							</tfoot>
 						@endauth
diff --git a/resources/views/system/addedit.blade.php b/resources/views/system/addedit.blade.php
index 2433473..28291b1 100644
--- a/resources/views/system/addedit.blade.php
+++ b/resources/views/system/addedit.blade.php
@@ -38,12 +38,13 @@ use App\Http\Controllers\DomainController as DC;
 								<table class="table monotable">
 									<thead>
 									<tr>
-										<th>&nbsp;</th>
+										<th colspan="2">&nbsp;</th>
 										<th colspan="4" class="text-center">Passwords</th>
 										<th>&nbsp;</th>
 									</tr>
 									<tr>
 										<th>Zone</th>
+										<th style="min-width: 1%;">Default</th>
 										<th>Session</th>
 										<th>Packet</th>
 										<th>TIC</th>
@@ -56,6 +57,13 @@ use App\Http\Controllers\DomainController as DC;
 									@foreach ($o->sessions->sortBy('zone_id') as $oo)
 									<tr>
 										<td>{{ $oo->zone_id }}<span>@</span>{{ $oo->domain->name }}</td>
+										<td style="text-align: center;">
+											@if(($x=$oo->systems->where('pivot.default',TRUE))->count() && ($x->first()->id !== $o->id))
+												<i class="bi bi-dash-square"></i>
+											@else
+												<span id="default" itemid="{{$oo->id}}"><i class="bi bi-{{ $x->count() ? 'check-square' : 'square' }}"></i></span>
+											@endif
+										</td>
 										<td>{{ $oo->pivot->sespass }}</td>
 										<td>{{ $oo->pivot->pktpass }}</td>
 										<td>{{ $oo->pivot->ticpass }}</td>
@@ -271,4 +279,40 @@ use App\Http\Controllers\DomainController as DC;
 	</div>
 
 	@include('widgets.modal_delete')
-@endsection
\ No newline at end of file
+@endsection
+
+@section('page-scripts')
+	<script type="text/javascript">
+		$(document).ready(function() {
+			$('#default').click(function() {
+				var item = this;
+				icon = $(item).find('i');
+
+				$.ajax({
+					type:'POST',
+					data: {sid: {{$o->id}},_token: '{{csrf_token()}}',set:(icon.hasClass('bi-square') ? 1 : 0)},
+					beforeSend: function() {
+						$(item).find('i').addClass('spinner-grow spinner-grow-sm');
+					},
+					success: function() {
+						if (icon.hasClass('bi-square')) {
+							icon.removeClass('bi-square');
+							icon.addClass('bi-check-square');
+						} else {
+							icon.removeClass('bi-check-square');
+							icon.addClass('bi-square');
+						}
+
+						$(item).find('i').removeClass('spinner-grow spinner-grow-sm');
+					},
+					error: function() {
+						$(item).find('i').removeClass('spinner-grow spinner-grow-sm');
+						alert('That didnt work? Please try again....');
+					},
+					url: '{{ url('api/default') }}/'+item.attributes.itemid.nodeValue,
+					cache: false
+				})
+			});
+		});
+	</script>
+@append
\ No newline at end of file
diff --git a/routes/api.php b/routes/api.php
index 1403e24..85be738 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -1,7 +1,8 @@
 <?php
 
 use Illuminate\Support\Facades\Route;
-use App\Http\Controllers\{DomainController};
+
+use App\Http\Controllers\{DomainController,ZoneController};
 
 /*
 |--------------------------------------------------------------------------
@@ -18,4 +19,5 @@ Route::middleware(['auth:api'])->group(function () {
 	Route::get('regions/{o}',[DomainController::class,'api_regions']);
 	Route::get('hosts/{o}/{region}',[DomainController::class,'api_hosts']);
 	Route::get('hubs/{o}/{host}',[DomainController::class,'api_hubs']);
+	Route::post('default/{o}',[ZoneController::class,'api_default']);
 });