Juniper EVPN-VXLAN & DCI
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Goal
In this tutorial we are going to setup 2 sites: Site A and site B and connect both sites together using a MPLS backbone. Both sites will be configured using EVPN-VXLAN centrally Routed Bridging (CRB).
Prerequisites
For this tutorial I will be using :
- EVE-NG 2.0.3-112
- VQFX model: vqfx-10000 running JUNOS 19.4R1.10 for spines and leaves
- VMX running Junos: 18.2R1.9 for the core routers
- Debian VM's servers
Diagram
Setup and configuration
Site A
| Devices | Role | lo.0 IP | xe-0/0/0 IP | xe-0/0/1 IP | xe-0/0/2 IP | xe-0/0/9 IP | mgmt |
| qfxssw27 | spine1 | 10.179.0.1/32 | 172.16.1.49/30 | 172.16.2.2/30 | 172.16.3.1/30 | 10.193.0.78/24 | |
| qfxssw28 | spine2 | 10.179.0.2/32 | 172.16.1.6/30 | 172.16.2.6/30 | 172.16.3.5/30 | 10.193.0.79/24 | |
| qfxlsw27 | leaf1 | 10.179.0.5/32 | 172.16.1.50/30 | 172.16.1.5/30 | 10.193.0.80/24 | ||
| qfxlsw28 | leaf2 | 10.179.0.6/32 | 172.16.2.1/30 | 172.16.2.5/30 | 10.193.0.81/24 | ||
| cr1 | site A core router | 10.179.0.7/32 | 172.16.3.2/30 | 172.16.3.6/30 | 172.16.4.0/31 | 10.193.0.86/24 |