# EVPN Centralized Routing with Arista EOS

DevFeed: [EVPN Centralized Routing with Arista EOS](<https://devfeed.tech/articles/evpn-centralized-routing-with-arista-eos-11394.md>)

Original publisher: [Read original article](<https://blog.ipspace.net/2026/06/arista-eos-evpn-central-routing/>)

Published: 2026-06-03T05:44:00Z

Content type: tutorial

Language: en

Sources: [ipSpace.net blog](<https://devfeed.tech/sources/ipspace-net-blog.md>)

Topics: [evpn](<https://devfeed.tech/topics/evpn.md>), [Routing (disambiguation)](<https://devfeed.tech/topics/routing.md>), [networking](<https://devfeed.tech/topics/networking.md>), [VXLAN](<https://devfeed.tech/topics/vxlan.md>)

Tags: [arp](<https://devfeed.tech/tags/arp.md>), [cache](<https://devfeed.tech/tags/cache.md>), [evpn](<https://devfeed.tech/tags/evpn.md>), [implementation](<https://devfeed.tech/tags/implementation.md>), [netlab](<https://devfeed.tech/tags/netlab.md>), [route](<https://devfeed.tech/tags/route.md>), [router](<https://devfeed.tech/tags/router.md>), [routing](<https://devfeed.tech/tags/routing.md>), [vxlan](<https://devfeed.tech/tags/vxlan.md>)

## AI overview

This article examines which EVPN routes Arista EOS generates in a centralized routing design where a spine switch acts as the router and leaf switches operate at Layer 2. It explains that the central router does not advertise MAC+IP routes for hosts attached to its VLANs, routers must perform their own ARP resolution, and minimal configuration can cause routed traffic to be flooded.

## Source excerpt

A month ago, I described ARP issues in EVPN centralized routing design, and Naveen Kumar Devaraj was kind enough to add some Arista EOS implementation details. Today, let's explore what EVPN routes Arista EOS generates in that scenario. We'll use a very simple lab topology with a spine switch acting as a router. The leaf switches are layer-2 switches. Packet forwarding in centralized routing design Read more ...