Introduction to Ethernet Virtual Private Network (EVPN)

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1. Exchange of VNI membership between VTEPs using EVPN type 3 routes.
2. Exchange of host MAC and IP addresses using EVPN type 2 routes.
3. Exchange of MAC Mobility Extended Community to support host/VM mobility.
4. Dual attached host via VXLAN active-active mode. MAC synchronization between switches is achieved via MLAG.ARP/ND suppression, which enables VTEPs to suppress ARP flooding over VXLAN tunnels is enabled by default on VNIs in PiCOS.
5. Inter Subnet routing for IPv4. Distributed symmetric and asymmetric routing between different subnets and centralized routing.
6. Prefix-based routing using EVPN type-5 routes (EVPN IP prefix route).
7. Multi-tenancy over layer 3.
8. Head end replication, PiCOS supports up to 128 VTEPs with head end replication.

Both eBGP and iBGP peerings can be used for the EVPN address family. 

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• BGP EVPN Route Types
• EVPN Symmetric Routing Configuration Example
• EVPN Duplicate Address DetectionEnhancements
• EVPN EnhancementsAsymmetric Routing Example