diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.css b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.css
new file mode 100644
index 0000000..f335726
--- /dev/null
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.css
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* --- Topo Instance Panel --- */
+
+#topo-p-instance div.onosInst {
+    display: inline-block;
+    width: 170px;
+    height: 85px;
+    cursor: pointer;
+}
+
+#topo-p-instance svg text.instTitle {
+    font-size: 11pt;
+    font-weight: bold;
+    font-variant: small-caps;
+    text-transform: uppercase;
+}
+#topo-p-instance svg text.instLabel {
+    font-size: 10pt;
+}
\ No newline at end of file
diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.html b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.html
new file mode 100644
index 0000000..f5a2859
--- /dev/null
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.html
@@ -0,0 +1,40 @@
+<!--
+~ Copyright 2018-present Open Networking Foundation
+~
+~ Licensed under the Apache License, Version 2.0 (the "License");
+~ you may not use this file except in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~     http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing, software
+~ distributed under the License is distributed on an "AS IS" BASIS,
+~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+~ See the License for the specific language governing permissions and
+~ limitations under the License.
+-->
+<div id="topo-p-instance" class="floatpanel" [ngStyle]="{'left': '20px', 'top':divTopPx+'px', 'width': (onosInstances.length * 170)+'px', 'height': '85px'}" [@instancePanelState]="on">
+    <div *ngFor="let inst of onosInstances | keyvalue ; let i=index"
+         [ngClass]="['onosInst', inst.value.online?'online':'', inst.value.ready? 'ready': '', mastership?'mastership':'', 'affinity']"
+            (click)="chooseMastership(inst.value.id)">
+        <svg xmlns="http://www.w3.org/2000/svg" width="170" height="85" viewBox="0 0 170 85">
+            <!-- The following blue-glow effect is applied (through CSS) when mastership style is activated on a rectangle -->
+            <filter x="-50%" y="-50%" width="200%" height="200%" id="blue-glow">
+                <feColorMatrix type="matrix" values="0 0 0 0  0 0 0 0 0  0 0 0 0 0  0.7 0 0 0 1  0 "></feColorMatrix>
+                <feGaussianBlur stdDeviation="3" result="coloredBlur"></feGaussianBlur>
+                <feMerge>
+                    <feMergeNode in="coloredBlur"></feMergeNode>
+                    <feMergeNode in="SourceGraphic"></feMergeNode>
+                </feMerge>
+            </filter>
+            <rect x="5" y="5" width="160" height="30" [ngStyle]="{ 'fill': panelColour(i)}"></rect>
+            <text class="instTitle" x="48" y="27">{{ inst.value.id }}</text>
+            <rect x="5" y="35" width="160" height="45"></rect>
+            <text class="instLabel ip" x="48" y="55">{{ inst.value.ip }}</text>
+            <use width="20" height="20" class="glyph badgeIcon bird" xlink:href="#bird" transform="translate(15,10)"></use>
+            <use *ngIf="inst.value.ready" width="16" height="16" class="glyph overlay badgeIcon readyBadge" xlink:href="#checkMark" transform="translate(18,40)"></use>
+            <text class="instLabel ns" x="48" y="73">{{lionFn('devices')}} {{ inst.value.switches }}</text>
+            <use *ngIf="inst.value.uiAttached" width="24" height="24" class="glyph overlay badgeIcon uiBadge" xlink:href="#uiAttached" transform="translate(14,54)"></use>
+        </svg>
+    </div>
+</div>
\ No newline at end of file
diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.spec.ts b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.spec.ts
new file mode 100644
index 0000000..a03f23e
--- /dev/null
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.spec.ts
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { ActivatedRoute, Params } from '@angular/router';
+import { of } from 'rxjs';
+import { InstanceComponent } from './instance.component';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+
+import {
+    FnService,
+    LogService
+} from 'gui2-fw-lib';
+
+class MockActivatedRoute extends ActivatedRoute {
+    constructor(params: Params) {
+        super();
+        this.queryParams = of(params);
+    }
+}
+
+/**
+ * ONOS GUI -- Topology View Instance Panel-- Unit Tests
+ */
+describe('InstanceComponent', () => {
+    let fs: FnService;
+    let ar: MockActivatedRoute;
+    let windowMock: Window;
+    let logServiceSpy: jasmine.SpyObj<LogService>;
+    let component: InstanceComponent;
+    let fixture: ComponentFixture<InstanceComponent>;
+
+    beforeEach(async(() => {
+        const logSpy = jasmine.createSpyObj('LogService', ['info', 'debug', 'warn', 'error']);
+        ar = new MockActivatedRoute({ 'debug': 'txrx' });
+
+        windowMock = <any>{
+            location: <any>{
+                hostname: 'foo',
+                host: 'foo',
+                port: '80',
+                protocol: 'http',
+                search: { debug: 'true' },
+                href: 'ws://foo:123/onos/ui/websock/path',
+                absUrl: 'ws://foo:123/onos/ui/websock/path'
+            }
+        };
+        fs = new FnService(ar, logSpy, windowMock);
+
+        TestBed.configureTestingModule({
+            imports: [ BrowserAnimationsModule ],
+            declarations: [ InstanceComponent ],
+            providers: [
+                { provide: FnService, useValue: fs },
+                { provide: LogService, useValue: logSpy },
+                { provide: 'Window', useValue: windowMock },
+            ]
+        })
+        .compileComponents();
+        logServiceSpy = TestBed.get(LogService);
+    }));
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(InstanceComponent);
+        component = fixture.componentInstance;
+        fixture.detectChanges();
+    });
+
+    it('should create', () => {
+        expect(component).toBeTruthy();
+    });
+});
diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.ts b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.ts
new file mode 100644
index 0000000..487550d
--- /dev/null
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.component.ts
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import {
+    Component,
+    Input,
+    Output,
+    EventEmitter
+} from '@angular/core';
+import { animate, state, style, transition, trigger } from '@angular/animations';
+import {
+    LogService,
+    LoadingService,
+    FnService,
+    PanelBaseImpl,
+    IconService,
+    SvgUtilService, LionService
+} from 'gui2-fw-lib';
+
+/**
+ * A model of instance information that drives each panel
+ */
+export interface Instance {
+    id: string;
+    ip: string;
+    online: boolean;
+    ready: boolean;
+    switches: number;
+    uiAttached: boolean;
+}
+
+/**
+ * ONOS GUI -- Topology Instances Panel.
+ * Displays ONOS instances. The onosInstances Array gets updated by topology.service
+ * whenever a topo2AllInstances update arrives back on the WebSocket
+ *
+ * This emits a mastership event when the user clicks on an instance, to
+ * see the devices that it has mastership of.
+ */
+@Component({
+    selector: 'onos-instance',
+    templateUrl: './instance.component.html',
+    styleUrls: [
+        './instance.component.css', './instance.theme.css',
+        '../../topology.common.css',
+        '../../../../fw/widget/panel.css', '../../../../fw/widget/panel-theme.css'
+    ],
+    animations: [
+        trigger('instancePanelState', [
+            state('true', style({
+                transform: 'translateX(0%)',
+                opacity: '1.0'
+            })),
+            state('false', style({
+                transform: 'translateX(-100%)',
+                opacity: '0.0'
+            })),
+            transition('0 => 1', animate('100ms ease-in')),
+            transition('1 => 0', animate('100ms ease-out'))
+        ])
+    ]
+})
+export class InstanceComponent extends PanelBaseImpl {
+    @Input() divTopPx: number = 100;
+    @Input() on: boolean = false; // Override the parent class attribute
+    @Output() mastershipEvent = new EventEmitter<string>();
+    public onosInstances: Array<Instance>;
+    public mastership: string;
+    lionFn; // Function
+
+    constructor(
+        protected fs: FnService,
+        protected log: LogService,
+        protected ls: LoadingService,
+        protected is: IconService,
+        protected sus: SvgUtilService,
+        private lion: LionService
+    ) {
+        super(fs, ls, log);
+        this.onosInstances = <Array<Instance>>[];
+
+        if (this.lion.ubercache.length === 0) {
+            this.lionFn = this.dummyLion;
+            this.lion.loadCbs.set('topo-inst', () => this.doLion());
+        } else {
+            this.doLion();
+        }
+        this.log.debug('InstanceComponent constructed');
+    }
+
+    /**
+     * Get a colour for the banner of the nth panel
+     * @param idx The index of the panel (0-6)
+     */
+    panelColour(idx: number): string {
+        return this.sus.cat7().getColor(idx, false, '');
+    }
+
+    /**
+     * Toggle the display of mastership
+     * If the same instance is clicked a second time then cancel display of mastership
+     * @param instId The instance to display mastership for
+     */
+    chooseMastership(instId: string): void {
+        if (this.mastership === instId) {
+            this.mastership = '';
+        } else {
+            this.mastership = instId;
+        }
+        this.mastershipEvent.emit(this.mastership);
+        this.log.debug('Instance', this.mastership, 'chosen on GUI');
+    }
+
+    /**
+     * Read the LION bundle for Details panel and set up the lionFn
+     */
+    doLion() {
+        this.lionFn = this.lion.bundle('core.view.Topo');
+
+    }
+}
diff --git a/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.theme.css b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.theme.css
new file mode 100644
index 0000000..3be7bdd
--- /dev/null
+++ b/web/gui2-topo-lib/projects/gui2-topo-lib/src/lib/panel/instance/instance.theme.css
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* --- Topo Instance Panel --- */
+
+#topo-p-instance svg rect {
+    stroke-width: 0;
+    fill: #fbfbfb;
+}
+
+/* body of an instance */
+#topo-p-instance .online svg rect {
+    opacity: 1;
+    fill: #fbfbfb;
+}
+
+#topo-p-instance svg .glyph {
+    fill: #fff;
+}
+#topo-p-instance .online svg .glyph {
+    fill: #fff;
+}
+.dark #topo-p-instance .online svg .glyph.overlay {
+    fill: #fff;
+}
+
+/* offline */
+#topo-p-instance svg .badgeIcon {
+    opacity: 0.4;
+    fill: #939598;
+}
+
+/* online */
+#topo-p-instance .online svg .badgeIcon {
+    opacity: 1.0;
+    fill: #939598;
+}
+#topo-p-instance .online svg .badgeIcon.bird {
+    fill: #ffffff;
+}
+
+#topo-p-instance svg .readyBadge {
+    visibility: hidden;
+}
+#topo-p-instance .ready svg .readyBadge {
+    visibility: visible;
+}
+
+#topo-p-instance svg text {
+    text-anchor: start;
+    opacity: 0.5;
+    fill: #3c3a3a;
+}
+
+#topo-p-instance .online svg text {
+    opacity: 1.0;
+    fill: #3c3a3a;
+}
+
+#topo-p-instance .onosInst.mastership {
+    opacity: 0.3;
+}
+#topo-p-instance .onosInst.mastership.affinity {
+    opacity: 1.0;
+}
+#topo-p-instance .onosInst.mastership.affinity svg rect {
+    filter: url(#blue-glow);
+}
+
+.firefox #topo-p-instance .onosInst.mastership.affinity svg rect {
+    filter: url(#blue-glow);
+}
+
+.dark #topo-p-instance {
+    background-color: #2f313c;
+    color: #c2c2b7;
+    border: 1px solid #364144;
+
+}
+
+.dark #topo-p-instance svg rect {
+    stroke-width: 0;
+    fill: #525660;
+}
+
+/* body of an instance */
+.dark #topo-p-instance .online svg rect {
+    opacity: 1;
+    fill: #838992;
+}
+
+.dark #topo-p-instance svg .glyph {
+    fill: #ddd;
+}
+.dark #topo-p-instance .online svg .glyph {
+    fill: #fff;
+}
+.dark #topo-p-instance .online svg .glyph.overlay {
+    fill: #c7c7c7;
+}
+
+/* offline */
+.dark #topo-p-instance svg .badgeIcon {
+    opacity: 0.4;
+    fill: #939598;
+}
+
+/* online */
+.dark #topo-p-instance .online svg .badgeIcon {
+    opacity: 1.0;
+    fill: #939598;
+}
+.dark #topo-p-instance .online svg .badgeIcon.bird {
+    fill: #ffffff;
+}
+
+.dark #topo-p-instance svg text {
+    text-anchor: start;
+    opacity: 0.5;
+    fill: #aaa;
+}
+
+.dark #topo-p-instance .online svg text {
+    opacity: 1.0;
+    fill: #fff;
+}
+
+.dark #topo-p-instance .onosInst.mastership {
+    opacity: 0.3;
+}
+.dark #topo-p-instance .onosInst.mastership.affinity {
+    opacity: 1.0;
+}
+.dark #topo-p-instance .onosInst.mastership.affinity svg rect {
+    filter: url(#blue-glow);
+}
+
+.dark.firefox #topo-p-instance .onosInst.mastership.affinity svg rect {
+    filter: url(#blue-glow);
+}
\ No newline at end of file