[lacnog] Wifi Hotspot with IPv6 support

Sab Mayo 25 16:34:23 -03 2019

Today it doesn’t make sense at all to deploy dual-stack WAN links.

Dual-stack in the LANs (WiFi) is fine, but this should be done using any of the IPv6 and IPv4-as-a-Service mechanisms as described in RFC8585.

I also suggest to read:

https://datatracker.ietf.org/doc/draft-ietf-v6ops-nat64-deployment/

(hopefully soon to become an RFC as well)

Unfortunately, at the time being, MikroTik is the WORST platform in the world for IPv6 deployment, unless you use dual-stack all the way thru, again totally anachronic and expensive way of doing it, as it forces you to have sufficient IPv4 addresses or CGN, or even worst, both of them.

Re-flash your MikroTik’s with OpenWRT and you’re done!

Regards,

Jordi

El 25/5/19 17:31, "LACNOG en nombre de Mike Burns" <lacnog-bounces en lacnic.net en nombre de mike en iptrading.com> escribió:

Hi, the authentication process is independent of the IP address protocol, it is based upon the router interface. Mikrotik used to not include their IPv6 package by default, and we had problems running IPv6 to ipv4 tunnels effectively. We wanted to do Transit with the IPv6 not just management although that would have been easier. 

But the problem I explained, which is that nobody has asked for it, is the same reason why IpV6 is not more widely deployed. It will cost me time and effort to do the deployment and if there is no reward, then there is little incentive. I thought there might be a public relations benefit to announcing that our system is fully dual stacked, but my customers who are mostly temporary don't really seem to care one way or the other.

It would be easier for us if each of the upstream isps at all of our Wi-Fi locations was offering IPv6. But normally hotspot providers do not run their own backbones but rely on others and just distribute the internet over the last few hundred feet to the customers.

I am not sure if there would need to be more customer support with a dual stack offering, but  hotspot clients as I said are temporary, and it's difficult and expensive to try to offer them in-depth technical support. So I think hotspot providers try to keep it simple as a rule.

Finally, we began deploying our Network devices more than 12 years ago and some of them are not firmware upgradeable to handle IPv6.

Regards,
Mike

---- On Sat, 25 May 2019 09:39:09 -0400 fhfrediani en gmail.com wrote ----

Hello Mike

Thanks for you reply.

What do you mean by very limited ipv6 support ? Do clients navigate over it or is it just for management of the wireless routers ?

If there is navigation I wanted to undertand better how the authentication process works in order to release the Internet conection in both v4 and v6 afterwards and also the logging of the address was given to a end user.

The point about customers asking for it I have the view that's not really a point in order to provide IPv6 specially in a Hotspot system where de end user knows nothing about it.

Regards

Fernando

On Sat, 25 May 2019, 07:25 Mike Burns, <mike en iptrading.com> wrote:

We run a network up Wi-Fi hotspots in American RV parks. We use microtik routers to handle the hotspot sign up and setup and these routers have very limited ipv6 support. In addition because we have various internet connections throughout the country, some of whom do not offer ipv6, we had to use tunnels back to our colo center from where we advertise our ipv6 block. Since no customers ever asked for ipv6 we never deployed it.

Regards,
Mike Burns

---- On Sat, 25 May 2019 05:59:05 -0400 fhfrediani en gmail.com wrote ----

Hello all

Has anyone ever seen a Wifi Hotspot system with IPv6 support ?

Apparentlly these systems rely heavly on NAT and so it has been a barier for IPv6 support.

Has anyone seen any scenario where this has been possible or even have a theoric idea how would it been possible to add IPv6 to such systems ?

Thanks

Regards

Fernando Frediani

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