Joined: 24 Feb 2009 Posts: 2026 Location: Sol System > Earth > USA > Arkansas
Posted: Tue Dec 04, 2012 15:50 Post subject:
You need to go read up on IPv6 and the addresses associated with it. Just like IPv4 has private non-internet routable addresses, IPv6 also has those. Those that start with fe80 are called local link addresses. Even if the router does not hand out IPv6 addresses, the computers and devices on the local network that support IPv6 can communicate with each other using that protocol (otherwise they usually default back to IPv4).
Edit: I just noticed you want IPv6 disabled. You are going to have to do that on the device. Not the router. Most modern OS's support IPv6 straight 'out of the box' with it turned on. _________________ E3000 22200M KongVPN K26
WRT600n v1.1 refirb mega 18767 BS K24 NEWD2 [not used]
WRT54G v2 16214 BS K24 [access point]
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That is a link-local address, which has nothing to do with your router but rather your machine configuration.
Do read about IPv6, the paradigm has shifted quite a bit from IPv4. (I am not trying to be condescending in any way, shape or form, it's just that in IPv6 -- unlike IPv4 -- you don't have just a single address for everything, there are multiple types of addresses, that coexist simultaneously in the same connection and have different purposes, being the most important part for this matter that they get configured through different ways).
If you have no control whatsoever over that machine then tough luck, that is the way it's going to be and there is nothing you can do about it. (Sorry if it sounds harsh but that is how it is).
Joined: 07 Aug 2007 Posts: 19 Location: New Haven, CT
Posted: Tue Dec 04, 2012 19:19 Post subject:
ah - local link address - that i get and no i don't see that response as harsh but informative.
i'm going to re-read the ipv6 docs you guys pointed me to; i've read them before and ipv6 just seems more confusing than it should be.
anyways, well the client I am referring to is openelec which is a read-only system. So if I'm out of luck because I have to change the client side but I can't do that, I guess this means I'll have to build from source and set it to disable ipv6.
I also need ipv6 disabled. I set up my router so it wont retransmit any ipv6 traffic to secure my network because if its enabled on lan either data leaks threw the ipsec or equipment takes an ipv6 address and just gets stuck wihtout an internet connection. No one needs ipv6 on their lan unless their they have hundreds of devices... And even still you can use vlans and subnets. Also no one can remember ipv6 addresses so if you are doing a lot of cli things their just annoying...
Unfortunately I "upgraded" my old dd-wrt to a newer firmware and now I have a PC thats running an obscure cli interface that does not use a standard network manager and took an ipv6 address and now I cant access the oddly enough more fully featured gui web server to change the setting or get internet on that PC. And the new firmware has no ipv6 options at all. It doesn't even show me the addresses...
It is disabled on the router but is visible on the router interfaces through ifconfig in the terminal window. It is only this one router. My AP WRT3200ACM does not have any IPV6 addresses on any interface. _________________ Linksys: Several WRTxx00AC variations | Netgear: 4x WNDR4500v2, 7x WNDR4300, R6400v1 | Asus: 2x RT-AC66U | Gl.inet: 3x GL-AR150
It is disabled on the router but is visible on the router interfaces through ifconfig in the terminal window. It is only this one router. My AP WRT3200ACM does not have any IPV6 addresses on any interface.
Probably also a link-local address (fe80:: ), which has no consequences.
That's it. The other router with Wireguard also has IPV6 addresses. Thanks for the explanation. _________________ Linksys: Several WRTxx00AC variations | Netgear: 4x WNDR4500v2, 7x WNDR4300, R6400v1 | Asus: 2x RT-AC66U | Gl.inet: 3x GL-AR150