---
title: "Some interesting stuff I found on IX LANs"
url: https://daily.dev/posts/some-interesting-stuff-i-found-on-ix-lans-vtmaeikmz
source_url: https://blog.benjojo.co.uk/post/ixp-bad-broadcast-packets-interesting
type: article
source: "Benjojo's Blog"
published: 2025-09-25T09:20:00.692Z
updated: 2026-03-15T03:33:12.511Z
tags: ["bgp", "networking", "security"]
reading_time: 17
upvotes: 0
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Some interesting stuff I found on IX LANs

**[Benjojo's Blog](https://daily.dev/sources/benjojo)** · 17 min read · 0 upvotes · 0 comments

## Summary

A detailed analysis of problematic broadcast and multicast traffic found on Internet Exchange (IX) LANs through monitoring tools. The investigation reveals various misconfigurations including discovery protocols (LLDP, CDP), routing protocols (OSPF, RIP), DHCP requests, and even desktop computers accidentally connected to exchange fabrics. These issues range from information disclosure to potential security vulnerabilities and operational disruptions, highlighting the need for better traffic filtering and monitoring at internet exchanges.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.benjojo.co.uk/post/ixp-bad-broadcast-packets-interesting>

---

Tags: [#bgp](https://daily.dev/tags/bgp), [#networking](https://daily.dev/tags/networking), [#security](https://daily.dev/tags/security)

[View this post on daily.dev](https://daily.dev/posts/some-interesting-stuff-i-found-on-ix-lans-vtmaeikmz)