> For the complete documentation index, see [llms.txt](https://sliu583.gitbook.io/blog/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sliu583.gitbook.io/blog/networking/index/cs-268-adv-network/beyond-best-effort-unicast/multicast-routing-in-internetworks-and-extended-lans.md).

# Multicast Routing in Internetworks and Extended LANs