[lacnog] Wifi Hotspot with IPv6 support
Fernando Frediani
fhfrediani en gmail.com
Lun Mayo 27 11:28:15 -03 2019
Hello guys
Thanks all for the reply about your experiences.
However the main point of my message is to know if someone has solved
the issue about IPv6 and Hotspot systems.
Normally on these systems before the users authenticates in a kind of
web form the Internet connectivity is blocked, with exceptions to
certain destinations as DNS and payment gateways sometimes and
afterwards released for navigation. This relies heavily on NAT and
redirection techniques so why I would like to find out how it can be
adapted when IPv6 is present in such scenarios.
Thanks
Regards
Fernando Frediani
On 25/05/2019 16:34, JORDI PALET MARTINEZ via LACNOG wrote:
>
> 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 <mailto:lacnog-bounces en lacnic.net> en
> nombre de mike en iptrading.com <mailto: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
> <mailto: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
> <mailto: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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