CloudLabBox
Try the free demo

JNCIP-ENT lab 16 of 19

Voice VLANs and LLDP-MED

Put a voice VLAN on a data port, have a simulated phone learn its VLAN from LLDP-MED, send real tagged traffic, and read where PoE fits.

Run this lab

It needs Lite: its 3 nodes are set to 6 vCPU and 7,168 MB in total. That fits the free demo too.

In your workspace: Shared, then JNCIP-ENT JN0-650 guided labs, then 16 - Voice VLANs and LLDP-MED

Try it free for 30 minutesRun it on Lite from £3 a day

The free demo needs no card and no email. Every lab plan includes every guided lab.

Level
Advanced
Time
About 60 minutes
Nodes need
6 vCPU, 7,168 MB
Smallest plan
Lite

The scenario

Northmere is putting IP phones on every desk. A phone sits between the wall port and the PC, so one switch port carries two things: the PC's data untagged, and the phone's voice tagged in its own VLAN. The phone has to find out which VLAN that is by itself. You'll set up the switch side, and watch a simulated phone learn its VLAN over LLDP-MED.

DevicePort or interfaceAddress
SW1ge-0/0/1To PHONE, access V10
SW1ge-0/0/2To CALLS, the call server, access VOICE
SW1irb.1010.10.0.1/24
PHONEeth010.10.0.20/24, the PC side
CALLSeth010.40.0.50/24

V10 has tag 10, and VOICE has tag 40.

phone [SECONDS] on PHONE sends LLDP-MED frames as a class III endpoint does, and prints what the switch offers.

What you’ll practise

  • Configure a voice VLAN
  • Configure LLDP and LLDP-MED
  • Read an LLDP-MED network policy
  • Explain PoE

The tasks

  1. Add a voice VLAN to a data port
  2. Tell the phone its VLAN with LLDP-MED
  3. Send tagged voice
  4. Know where PoE fits

The Lab Tasks pane has the scenario, these tasks, the checks to run, hints and the full solution.

Topology and devices

The network as it opens in EVE-NG, drawn from the lab’s own canvas, and the image each node runs.

Topology of Voice VLANs and LLDP-MED3 nodes, 2 links. Every link is listed as text below the diagram.SW1PHONECALLSge-0/0/1eth0ge-0/0/2eth0
3 nodes, with the interface names each link uses. On a narrow screen, scroll the diagram sideways.
Every link, as text
  • SW1 ge-0/0/1 to PHONE eth0
  • SW1 ge-0/0/2 to CALLS eth0
Nodes in Voice VLANs and LLDP-MED, with the image each runs and the vCPU and RAM it’s set to
NodeDeviceImage in Add NodeSet to
SW1Juniper vJunos-switchvjunosswitch-23.4R2-S2.14 vCPU, 5,120 MB
PHONEEVE-NG GUI server (Docker)eve-gui-server:latest1 vCPU, 1,024 MB
CALLSEVE-NG GUI server (Docker)eve-gui-server:latest1 vCPU, 1,024 MB

How to open this lab

  1. Sign in to your workspace at lab.cloudlabbox.com.

  2. In File Manager, open Shared, then the folder JNCIP-ENT JN0-650 guided labs.

  3. Open 16 - Voice VLANs and LLDP-MED and start its nodes, then open Lab Tasks for the scenario and the steps.

The lab is read-only. You can start the nodes and configure the devices, but changes to the topology can’t be saved. To change it, rebuild it in your own folder.

More JNCIP-ENT labs

All JNCIP-ENT labs

Related labs in other courses

CloudLabBox is independent of Cisco and Juniper Networks. The lab follows exam topics and isn’t vendor training material; vendor names identify the exams and the images in the workspace.