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MPLS-1.1: MPLS label blocks using ISIS

Summary

Define reserved MPLS label blocks: static and MPLS-SR.

Testbed type

Procedure

Topology: ATE1—DUT1

On DUT1 configure:

  • ISIS adjacency between ATE1 and DUT1
  • Enable MPLS-SR for ISIS (/network-instances/network-instance/protocols/protocol/isis/global/segment-routing/config/enabled)
  • reserved-label-block (lower-bound: 1000000 upper-bound: 1048576)
  • Segment Routing Global Block (srgb) with lower-bound: 400000 upper-bound: 465001
  • Segment Routing Local Block (srlb) with lower-bound: 40000 upper-bound: 41000)

Verify:

  • Defined blocks are configured on DUT1.
  • DUT1 advertises its SRGB and SRLB to ATE1.

OpenConfig Path and RPC Coverage

paths:
  # configuration
  /network-instances/network-instance/mpls/global/interface-attributes/interface/config/mpls-enabled:
  /network-instances/network-instance/mpls/global/reserved-label-blocks/reserved-label-block/config/local-id:
  /network-instances/network-instance/mpls/global/reserved-label-blocks/reserved-label-block/config/lower-bound:
  /network-instances/network-instance/mpls/global/reserved-label-blocks/reserved-label-block/config/upper-bound:
  /network-instances/network-instance/segment-routing/srgbs/srgb/config/local-id:
  /network-instances/network-instance/segment-routing/srgbs/srgb/config/mpls-label-blocks:
  /network-instances/network-instance/segment-routing/srlbs/srlb/local-id:
  /network-instances/network-instance/segment-routing/srlbs/srlb/config/mpls-label-block:
  /network-instances/network-instance/protocols/protocol/isis/global/segment-routing/config/enabled:
  /network-instances/network-instance/protocols/protocol/isis/global/segment-routing/config/srgb:
  /network-instances/network-instance/protocols/protocol/isis/global/segment-routing/config/srlb:
  # telemetry
  /network-instances/network-instance/mpls/global/reserved-label-blocks/reserved-label-block/state/local-id:
  /network-instances/network-instance/mpls/global/reserved-label-blocks/reserved-label-block/state/lower-bound:
  /network-instances/network-instance/mpls/global/reserved-label-blocks/reserved-label-block/state/upper-bound:

rpcs:
  gnmi:
    gNMI.Set:
      union_replace: true
    gNMI.Subscribe:
      on_change: true

Required DUT platform

  • FFF