---
title: "Discussion on \"Diagnosing BGP Sessions That Won't Come Up\" | Hashnode"
description: "Discussion on \"Diagnosing BGP Sessions That Won't Come Up\". Idle, Active or never? Five ways a BGP session fails on Cisco IOS-XE, and the logs and commands that tell them apart."
url: "https://hashnode.com/posts/bgp-session-wont-come-up/6af86381e027b7eab9fe2e9c"
---

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# [Diagnosing BGP Sessions That Won't Come Up](https://josephoshaughnessy.hashnode.dev/bgp-session-wont-come-up?utm_source=hashnode&utm_medium=feed)

Idle, Active or never? Five ways a BGP session fails on Cisco IOS-XE, and the logs and commands that tell them apart.

10h ago · 16 min read · josephoshaughnessy.hashnode.dev  
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-   [#bgp](https://hashnode.com/tag/bgp)
-   [#cisco](https://hashnode.com/tag/cisco)
-   [#networking](https://hashnode.com/tag/networking)
-   [#troubleshooting](https://hashnode.com/tag/troubleshooting)

## Written by

[Joseph O'Shaughnessy](https://hashnode.com/@josephoshaughnessy)

@josephoshaughnessy · London, UK

  
[View profile](https://hashnode.com/@josephoshaughnessy)

Network engineer. Labs, packet captures and real-world troubleshooting.

Network engineer at an MSP, after starting out in the core network team at a small ISP. I lab things at home, break them, and write up what I learn, from packet captures and firewalls to routing and troubleshooting.

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