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HCIA-Datacom lab 16 of 22

IPv6 addressing with SLAAC and DHCPv6

Bring IPv6 up on two routers and two LANs. You read link-local and global addresses and the neighbour table, let a PC configure itself with SLAAC, hand out DNS with stateless DHCPv6 and whole addresses with stateful DHCPv6, and join the LANs with IPv6 static routes.

Run this lab

It needs Lite: its 4 nodes are set to 4 vCPU and 7,168 MB in total. That fits the free demo too.

In your workspace: Shared, then HCIA-Datacom H12-811 guided labs, then 16 - IPv6 addressing with SLAAC and DHCPv6

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

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Level
Intermediate
Time
About 60 minutes
Nodes need
4 vCPU, 7,168 MB
Smallest plan
Lite

The scenario

Northwind is starting its IPv6 roll-out with a pilot: HQ (R1) and a branch (R2). PC1 at HQ should configure itself automatically, and the branch's Client should get a fully managed address. The ISP gave Northwind 2001:DB8::/32 (the documentation prefix) and the team carved /64s from it:

SegmentPrefixRouter addressAddress assignment
LAN A (R1 GE0/0/1 – PC1)2001:DB8:10::/642001:DB8:10::1SLAAC, plus DNS by stateless DHCPv6
Link (R1 GE0/0/0 – R2 GE0/0/0)2001:DB8:12::/64R1 ::1, R2 ::2static
LAN B (R2 GE0/0/1 – Client)2001:DB8:20::/642001:DB8:20::1stateful DHCPv6
DNS server (for the options)2001:DB8::53––

What you’ll practise

  • Read IPv6 addresses: global unicast, link-local (FE80::/10), EUI-64 interface IDs, prefix lengths
  • Enable IPv6 on VRP and configure global and link-local addresses
  • Explain NDP (NS/NA/RS/RA) and read display ipv6 neighbors
  • Configure SLAAC, stateless DHCPv6 (O flag) and stateful DHCPv6 (M flag)
  • Configure IPv6 static routes

The tasks

  • Task 0: Load the starting configuration
  • Task 1: Turn IPv6 on and look at link-local addresses
  • Task 2: Global addresses and neighbours
  • Concept: how hosts get addresses
  • Task 3: SLAAC for PC1
  • Task 4: Stateless DHCPv6 for DNS
  • Task 5: Stateful DHCPv6 for the branch
  • Task 6: IPv6 static routes

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 IPv6 addressing with SLAAC and DHCPv64 nodes, 3 links. Every link is listed as text below the diagram.R1R2ClientPC1GE0/0/1eth0GE0/0/1GE0/0/1GE0/0/0GE0/0/0
4 nodes, with the interface names each link uses.
Every link, as text
  • R1 GE0/0/0 to R2 GE0/0/0
  • R1 GE0/0/1 to PC1 eth0
  • R2 GE0/0/1 to Client GE0/0/1
Nodes in IPv6 addressing with SLAAC and DHCPv6, with the image each runs and the vCPU and RAM it’s set to
NodeDeviceImage in Add NodeSet to
R1Huawei AR1000V routerhuaweiar1k-5.170-V300R022C00SPC100-Auto-update-esn1 vCPU, 2,048 MB
R2Huawei AR1000V routerhuaweiar1k-5.170-V300R022C00SPC100-Auto-update-esn1 vCPU, 2,048 MB
ClientHuawei AR1000V routerhuaweiar1k-5.170-V300R022C00SPC100-Auto-update-esn1 vCPU, 2,048 MB
PC1VPCS 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 HCIA-Datacom H12-811 guided labs.

  3. Open 16 - IPv6 addressing with SLAAC and DHCPv6 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 Huawei. The lab follows exam topics and isn’t vendor training material; vendor names identify the exams and the images in the workspace.