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5-Stage EVPN-VXLAN Data Center —Juniper Validated Design (JVD)

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Test Objectives

date_range 30-Jan-25
JVD-DCFABRIC-5STAGE-01-01

The primary objective of this JVD testing is the qualification testing of the 5-stage fabric with Juniper Apstra. The design is based on ERB (Type2 and Type5) EVPN-VXLAN Fabric with pods and superspines connecting the pods. The goal is to ensure the design is well-documented and will produce a reliable, predictable deployment for the customer. The qualification objectives include validation of blueprint deployment, device upgrade, incremental configuration pushes/provisioning, Telemetry/Analytics checking, failure mode analysis, and verification of host traffic.

Test Goals

The focus of the testing of 5-Stage Fabric with Juniper Apstra JVD testing as follows:

  • Design and provision Datacenter blueprint deployment through Apstra
  • Build OISM (BDNE) with internal and exteral source and receivers
  • Design and build configurations for OISM (BDNE) and Class of service for ROCEv2 using configlet in Apstra.
  • Congestion Management with PFC and ECN, including failure scenarios
  • Build and validate overlay configuration Routing zones (VRFs) and Virtual Network and corresponding connectivity templates in Apstra.
  • Build and validate DHCP bindings
  • Overlay BFD sub-second (introduced as feature as part of 23.4R2)
  • Duplicate MAC detection
  • Validation of fabric operation and monitoring through Apstra analytics and telemetry dashboard
  • Software operation verification (no anomalies, or issues found)
  • Validation of end-to-end traffic flow
  • System health, ARP, ND, MAC, BGP (route, next hop), interface traffic counters, and so on
  • In order to pass validation, the 5-stage fabric with Juniper Apstra must also pass the following scenarios:
  • Node Reboot - simulated real-world switch outage.
  • Field scenarios like interface down/up and Laser on/off impact to the fabric and check anomalies reporting in Apstra.
  • Traffic recovery was validated after all failure scenarios.
  • Longevity tests with traffic flow for 3 hours and monitoring Apstra.

Other features tested:

  • DHCP Bindings
  • Routing-Engine Protection filter
  • Multicast state (PIM JOIN and IGMP JOIN active state)
  • MAC Move
  • Storm Control

Refer to the test report for more information.

Test Non-Goals

Below are some of the test non-goals:

  • LLDP
  • Management VRF
  • Apply pristine configs to devices
  • Comparison of Symmetric IRB to Asymmetric IRB
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