Computers & Hardware > Networking
New standard needed for PPPoEoE modems
Weaver:
There is so much trouble involved with two-box systems where an ethernet router talks to a PPPoEoE-speaking modem over an ethernet cable.
1. The modem has a devil of a job getting internet access. (Leaving aside from things such as TR-069, which is not general, nor continuously available in the background, and is ISP-only.) It might internet access to use NTP, to send logs, to get software updates, or access the DNS or forty things. Certainly there are missed opportunities here because a lot of services that modems want to use are typically just sitting there broken.
2. Users want to get access to the modem to get stats and administer it. But the router is in the way and addressing is a right old mess.
What we need is a new standard that delivers slick well designed support for both of these issues. For (1), a standard, lean system for a modem to get internet access, probably involving talking to or through the router, because the router knows what to do and how to do it the modem does not. And for (2), a standardised method of publishing the modem’s admin interfaces on the LAN-side, plus a means of routing traffic through the router from the LAN-side to the modem and back again and setting up addresses automatically.
I think it would be a bit tricky to write it up, but given a bit of thought it should not take an inordinate amount of time. It should use IPv6 as far as possible and that might shorten the spec. Many modems only speak IPv4 currently so unfortunately the PPPoEoE half of the system would need to have IPv4 as well as IPv6 access defined.
I would think it might be worth at least considering putting in an IPv6 to IPv4 protocol converter inside the modem for (2) though, think through the question of whether you even need to spec IPv4 access from the LAN to modems or make it IPv6-only and use protocol conversion if need be. It would basically just be a kind of NAT64, if one went that way.
parkdale:
I don't know if ZyXEL support this standard https://avm.de/fileadmin/user_upload/Global/Service/Schnittstellen/AVM_TR-064_first_steps.pdf
But I could play around with the internal protocols in the Fritzbox....
[Moderator edited to insert the direct link.]
burakkucat:
I'm currently not in a position to check but I believe that the ZyXEL VMG1312-B10A does have a menu entry labelled TR-064 . . .
niemand:
Get shot of PPP as is in progress then just copy DOCSIS. Job done.
Not sure this is something that's going to get much attention though. Network operators that provide stand alone modems tend to follow the Openreach approach, ISPs usually provide combined modem routers and very few people who bring their own kit buy standalone modems.
chenks:
--- Quote from: burakkucat on July 01, 2018, 06:22:26 PM ---I'm currently not in a position to check but I believe that the ZyXEL VMG1312-B10A does have a menu entry labelled TR-064 . . .
--- End quote ---
indeed it does - this is mine running in bridge mode
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