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The issue is that each set top box, cable modem and everything else gets a management IP address on the network as well for allowing configuration changes/valid
by ArchOversight 5y ago
The issue is that each set top box, cable modem and everything else gets a management IP address on the network as well for allowing configuration changes/validating status/all that fun stuff.
The large push for IPv6 was started so that management of set top boxes/cable modems no longer required large islands of RFC1918 space where they had to deploy multiple NAT's to get traffic in/out of those environments.
- walrus01 5y agoyes, from what I've heard, they specified full ipv6 as a non-negotiable "must have" with their CPE vendors (and CMTS) almost 16, 18 years ago. Comcast gets a lot of shit for its poor customer service practices, as does any huge cable company, but the people who run the core IP network knew, and still do know what they're doing.
- easton 5y agoHere’s a deck that describes some of this (2006!): https://archive.nanog.org/meetings/nanog37/presentations/alain-durand.pdf https://archive.nanog.org/meetings/nanog37/presentations/ala... I never thought about the scale of their internal network. It’s nuts.