Skip to content
AvailabilitySign inBook a DemoStart free lab
All free lab files

BGP Route Reflector Scaling

Two route reflectors serve three clients in one AS, and one client is missing a route every other router has. Trace the reflected route to the loop check that drops it.

Download .unlNo lab server? Practise it in your browser
The lab as it opens in PNETLab: two route reflectors, three clients, with the reflectors' cluster-IDs and every router's router-ID in the facts card.

What you'll practise

  • Trace a reflected route from client to route reflector to client
  • Read the ORIGINATOR_ID and CLUSTER_LIST a reflector adds
  • See how cluster-IDs stop reflection loops between two reflectors
  • Verify cluster-ID loop prevention and originator-ID handling
  • Troubleshoot a client that isn't receiving reflected routes

Set it up

  1. 1

    Have the node image ready

    Images are not included. The file expects your own licensed copy of:

    • L3-ADVENTERPRISEK9-M-15.4-2T.bin

    If your copy has a different name, open each node's Edit dialog after importing and pick your image from the list.

  2. 2

    Copy it to the server and fix permissions

    Replace <your-server> with the IP address or hostname of your EVE-NG or PNETLab server.

    $ scp bgp-route-reflector-scaling-lab.unl root@<your-server>:/opt/unetlab/labs/
# then, logged in to the server:
$ /opt/unetlab/wrappers/unl_wrapper -a fixpermissions
  3. 3

    Open it and start the nodes

    The canvas notes list the objectives, and the workbook walks through the fix.

Free to use and share under CC BY 4.0. Please credit LabFabric with a link to this page.