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CCNA lab 22 of 46

Single-area OSPFv3 for IPv6

Route an IPv6-only network with OSPFv3: set 32-bit router IDs on routers with no IPv4 at all, enable OSPF per interface, make the links point-to-point, keep the LANs passive and originate an IPv6 default route.

Run this lab

It needs Lite: its 5 nodes are set to 5 vCPU and 5,120 MB in total. That fits the free demo too.

In your workspace: Shared, then CCNA 200-301 guided labs, then 22 - Single-area OSPFv3 for IPv6

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

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Level
Intermediate
Time
About 45 minutes
Nodes need
5 vCPU, 5,120 MB
Smallest plan
Lite

The scenario

Cobalt Games is building a greenfield studio network that is IPv6 only: there's no IPv4 address anywhere on the routers. The three routers form a triangle; the artists' LAN is behind R1, the build servers' LAN behind R3, and R3 also connects to the IPv6 Internet. You'll route it all with OSPFv3, area 0.

RouterInterfacesRouter ID
R1Gi0/0 2001:db8:0:12::1 (R2), Gi0/1 2001:db8:0:13::1 (R3), Gi0/2 2001:db8:22:1::1/64 (LAN), link-local fe80::11.1.1.1
R2Gi0/0 2001:db8:0:12::2 (R1), Gi0/1 2001:db8:0:23::2 (R3), link-local fe80::22.2.2.2
R3Gi0/0 2001:db8:0:23::3 (R2), Gi0/1 2001:db8:0:13::3 (R1), Gi0/2 2001:db8:22:3::1/64 (LAN), Lo0 2001:db8:ffff::1 (Internet), link-local fe80::33.3.3.3

All /64s. R3 has a static IPv6 default route to Null0 standing in for its ISP. PC1 and PC2 use SLAAC.

What you’ll practise

  • Compare OSPFv3 with OSPFv2
  • Configure router IDs on IPv6-only routers
  • Enable OSPFv3 per interface and make LAN interfaces passive
  • Use the point-to-point network type and read link-local next hops in the IPv6 routing table
  • Originate a default route into OSPFv3

The tasks

  1. Know what changes in OSPFv3
  2. Start the process with a router ID
  3. Enable OSPFv3 on the interfaces
  4. Make the links point-to-point
  5. Read the IPv6 routes
  6. Originate a default route

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 Single-area OSPFv3 for IPv65 nodes, 5 links. Every link is listed as text below the diagram.R1R2R3PC1PC2Gi0/2eth0Gi0/2eth0Gi0/0Gi0/0Gi0/1Gi0/0Gi0/1Gi0/1
5 nodes, with the interface names each link uses. On a narrow screen, scroll the diagram sideways.
Every link, as text
  • R1 Gi0/0 to R2 Gi0/0
  • R2 Gi0/1 to R3 Gi0/0
  • R1 Gi0/1 to R3 Gi0/1
  • R1 Gi0/2 to PC1 eth0
  • R3 Gi0/2 to PC2 eth0
Nodes in Single-area OSPFv3 for IPv6, with the image each runs and the vCPU and RAM it’s set to
NodeDeviceImage in Add NodeSet to
R1Cisco IOSvvios-adventerprisek9-m.SPA.159-3.M61 vCPU, 1,024 MB
R2Cisco IOSvvios-adventerprisek9-m.SPA.159-3.M61 vCPU, 1,024 MB
R3Cisco IOSvvios-adventerprisek9-m.SPA.159-3.M61 vCPU, 1,024 MB
PC1VPCS hostBuilt in to EVE-NGCounted as 1 vCPU, 1,024 MB
PC2VPCS hostBuilt in to EVE-NGCounted as 1 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 CCNA 200-301 guided labs.

  3. Open 22 - Single-area OSPFv3 for IPv6 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.

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