Leaf-spine topology


Description	A Full Meshed X Leaf(s), Y Spine(s) Clos topology
Components	Nokia SR Linux
Topology template file	templated01.clab.gotmpl
Topology variable file	templated01.clab_vars.yaml
Name	templated01

Description#

This lab consists of a customizable Leaf and Spine Clos topology. The number and type of SR Linux Leaf and Spine nodes is configurable, it can be set using the topology variable file templated01.clab_vars.yaml.

The type of SR Linux used and the naming prefixes can be customized as well.

spines:
  # SRL spine type
  type: ixrd3
  # number of spines
  num: 2
  # prefix of spines name: ${prefix}${index}
  prefix: spine
leaves:
  # SRL leaf type
  type: ixrd3
  # number of leaves
  num: 4
  # prefix of leaf name: ${prefix}${index}
  prefix: leaf

Configuration#

Deploy the lab

clab deploy -t templated01.clab.gotmpl

Run configure.sh script to configure the lab

bash configure.sh

The configure.sh script relies on gomplate and gnmic.

gomplate is used to generate the necessary configuration variables based on the number of spines and leaves, their type and prefix.
gnmic is used to generate configuration payloads per node and push it using a gNMI Set RPC.