# Interface EBGP Sessions on Arista EOS

DevFeed: [Interface EBGP Sessions on Arista EOS](<https://devfeed.tech/articles/interface-ebgp-sessions-on-arista-eos-10954.md>)

Original publisher: [Read original article](<https://blog.ipspace.net/2024/03/arista-interface-ebgp/>)

Published: 2024-03-19T06:48:00Z

Content type: tutorial

Language: en

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

Topics: [BGP](<https://devfeed.tech/topics/bgp.md>), [IP routing](<https://devfeed.tech/topics/ip-routing.md>), [networking](<https://devfeed.tech/topics/networking.md>)

Tags: [bgp](<https://devfeed.tech/tags/bgp.md>), [examples](<https://devfeed.tech/tags/examples.md>), [guide](<https://devfeed.tech/tags/guide.md>), [ip-routing](<https://devfeed.tech/tags/ip-routing.md>), [routing](<https://devfeed.tech/tags/routing.md>)

## AI overview

A configuration guide for interface EBGP sessions on Arista EOS. It explains that the sessions use TCP over IPv6 link-local addresses while carrying IPv4 routes, and outlines the Arista cEOS 4.31.2F configuration requirements.

## Source excerpt

Arista EOS and Cisco Nexus OS got interface EBGP sessions years after Cumulus Linux. While they're trivially easy to configure on FRRouting (the routing daemon used by Cumulus Linux), getting them to work on Arista EOS is a bit tricky. To make matters worse, my Google-Fu failed me when I tried to find a decent step-by-step configuration guide; all I got was a 12-minute video full of YouTube ads. Let's fix that. Read more ...