4 ms·

My ISP (Metronet) uses CGNAT and refuses to touch IPv6. In my case, when I complained that port forwarding didn't work, they gave me a static IPv4 for free, but

My ISP (Metronet) uses CGNAT and refuses to touch IPv6. In my case, when I complained that port forwarding didn't work, they gave me a static IPv4 for free, but I have to call back once a year or else they start billing me $10/month for it. I don't need a static IP. I'd be completely fine with a dynamic IPv4 or even dynamic IPv6. But they don't offer that. Just static IPv4 or CGNAT IPv4. Oh well, some day...

Symbiote 4y ago
With most people leaving their router switched on all the time, the difference between a static and dynamic IPv4 address from the point of view of the ISP is probably marginal.
- nfriedly 4y ago
  Yeah, that's true enough. I guess the point I was trying to make is that I think IPv6 is a better solution to their problem of not having enough IPv4 addresses.
- foepys 4y ago
  In Germany all bigger DSL providers still disconnect you once a day and issue new IPs. Bad for at home hosting, good for privacy.
  - Wubdidu 4y ago
    Is that so? At least Telekom doesn't do that for IPv4 anymore. They do have a 24h dynamic prefix for IPv6 though (which feels very weird, considering they stopped doing that for IPv4)
    - dark-star 4y ago
      The ephemeral IPv6 addresses are just the IPv6 privacy extensions at work. They're just following RFCs I guess their router stack provides this for free, while the "Zwangstrennung" (disconnect every 24h) was implemented somewhere on their side. So it's actually easier now for them
  - apk17 4y ago
    Partially. Telekom keeps up the line for months at a time. I guess that is due to telephony being done via VoIP, and they don't want to interrupt your late night calls. Others, even Congstar (which is a cheap telekom brand), do 24h disconnects with a new v4 address, and no v6 at all. The DSL I use gives me a fixed v4 and v6 range, but still needs to do the daily disconnects.
  - ranger_danger 4y ago
    how do you know what ALL of the them do??
- codebje 4y ago
  The difference is typically between a static _public_ IPv4 address or a dynamic _private_ IPv4 address, and CGNAT sharing public IPv4 addresses across subscribers.
bombcar 4y ago
For a long time I ran a HE tunnel to get me some sweet static IPv6, but now that my cable company has turned it on I no longer need that (probably should still have it as a backup). https://www.tunnelbroker.net https://www.tunnelbroker.net
pelorat 4y ago
Guess they are sticking with their old equipment, because IPv6 is free in any modern industrial ISP router.
heywire 4y ago
I also have Metronet, but haven’t found any compelling reason for a static IP. I use Tailscale for remote access, and though I don’t host anything from home currently, Cloudflare Tunnel should work.

Symbiote 4y ago

With most people leaving their router switched on all the time, the difference between a static and dynamic IPv4 address from the point of view of the ISP is probably marginal.

nfriedly 4y ago
Yeah, that's true enough. I guess the point I was trying to make is that I think IPv6 is a better solution to their problem of not having enough IPv4 addresses.
foepys 4y ago
In Germany all bigger DSL providers still disconnect you once a day and issue new IPs. Bad for at home hosting, good for privacy.
- Wubdidu 4y ago
  Is that so? At least Telekom doesn't do that for IPv4 anymore. They do have a 24h dynamic prefix for IPv6 though (which feels very weird, considering they stopped doing that for IPv4)
  - dark-star 4y ago
    The ephemeral IPv6 addresses are just the IPv6 privacy extensions at work. They're just following RFCs I guess their router stack provides this for free, while the "Zwangstrennung" (disconnect every 24h) was implemented somewhere on their side. So it's actually easier now for them
- apk17 4y ago
  Partially. Telekom keeps up the line for months at a time. I guess that is due to telephony being done via VoIP, and they don't want to interrupt your late night calls. Others, even Congstar (which is a cheap telekom brand), do 24h disconnects with a new v4 address, and no v6 at all. The DSL I use gives me a fixed v4 and v6 range, but still needs to do the daily disconnects.
- ranger_danger 4y ago
  how do you know what ALL of the them do??
codebje 4y ago
The difference is typically between a static _public_ IPv4 address or a dynamic _private_ IPv4 address, and CGNAT sharing public IPv4 addresses across subscribers.

bombcar 4y ago

For a long time I ran a HE tunnel to get me some sweet static IPv6, but now that my cable company has turned it on I no longer need that (probably should still have it as a backup). https://www.tunnelbroker.net https://www.tunnelbroker.net

pelorat 4y ago

Guess they are sticking with their old equipment, because IPv6 is free in any modern industrial ISP router.

heywire 4y ago

I also have Metronet, but haven’t found any compelling reason for a static IP. I use Tailscale for remote access, and though I don’t host anything from home currently, Cloudflare Tunnel should work.