VXLAN-EVPN/documentation/eos configuration/spine1.md

Spine 1 configuration

Pre-config Setup

Enable the multi-agent configuration on Arista switch to be able to use EVPN feature

service routing protocols model multi-agent

IP address Configuration

Configure need to match with Lab Topology

links:
        - endpoints: ["spine1:eth1", "leaf1:eth1"]
        - endpoints: ["spine1:eth2", "leaf2:eth1"]
        - endpoints: ["leaf1:eth2", "host1:eth1"]
        - endpoints: ["leaf2:eth2", "host2:eth1"]

That means :

interface Ethernet1
description TO_LEAF01
no switchport
ip address 10.1.1.0/31
!
interface Ethernet2
description TO_LEAF02
no switchport
ip address 10.1.1.2/31

BGP Protocol

router bgp 65001
router-id 10.10.100.1
maximum-paths 4 ecmp 4
neighbor LEAF_GROUP peer group
neighbor LEAF_GROUP allowas-in 1
neighbor LEAF_GROUP ebgp-multihop 4
neighbor LEAF_GROUP send-community extended
neighbor LEAF_GROUP maximum-routes 12000
neighbor 10.1.1.1 peer group LEAF_GROUP
neighbor 10.1.1.1 remote-as 65101
neighbor 10.1.1.3 peer group LEAF_GROUP
neighbor 10.1.1.3 remote-as 65102
!
address-family ipv4
neighbor 10.1.1.1 activate
neighbor 10.1.1.3 activate

To check peer status :

leaf1# show bgp summary