IPv6 is the newest version of the Internet Protocol. It is designed to supersede IPv4 as it offers many more addresses.

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Where is this IPv6 address coming from?

When I run ifconfig (after rebooting) on my FreeBSD 8.4 system it outputs this: inet6 fe80::225:90ff:fe10:7e84%em0 prefixlen 64 scopeid 0x5 inet6 xxxx:xxxx:1009::2 prefixlen 64 ...
2
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1answer
66 views

Using Windows as IPv6 router for the network

self-answer from the crazy ideas dept. My ISP does not support IPv6; I could use a tunnel, but the only an always-on computer I have is a generic desktop PC that runs Windows XP/Vista/7/8. ...
0
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1answer
80 views

IPv6 tunnel broker, other devices unable to access ipv6 internet

I'm trying to use a Raspberry Pi to set up as a tunnel broker via tunnelbroker.net. I have a simple set up that looks roughly like this: Verizon ISP Switch/IPv4 Router | |----- ...
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0answers
1k views

Attemp to access WAMP server from other devices on network gives 403 forbidden

I set up a WAMP server on my main PC. I have files in the www directory, and can see the results via localhost. The problem is, I am not able to access the server via the server IP from even the ...
6
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1answer
5k views

IPv6 Tunnel via Own Linux (IPv6-connected) Server

Unfortunately, there's a lot of IPv6 tunnel brokers, and their documentation often clutters the search results for how to setup your own IPv6 tunnel. I have a Linux server with IPv6 connectivity. I ...
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2answers
197 views

Using IPv6 with Intel Dual Band Wireless-AC 3160

Everything works fine, using IPv4, However, when I configure my router (Netgear WNR2200) to use IPv6 (Pass Through), my WiFi connection does not work. It does however work with a wired connection ...
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0answers
194 views

IPv6: Cannot reach outside of LAN (OpenWrt Router connected to ISP Router through Wi-Fi)

Hello dear server expert, I would like to ask for you help for my installation. I have a Freebox Revolution (I am French and my ISP is Free). The box provides IPv4 and IPv6. Every computer connected ...
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0answers
74 views

Make socat listen on both IPv4 and IPv6 stacks

Switched providers the other day, they only assign DSlite-connections. I'm fine, I thought. Thing is - I want to access some of my stuff from outside of my network, which should be of much less a ...
113
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2answers
23k views

How to avoid exposing my MAC address when using IPv6?

On my Macs, each IPv6 address includes the MAC address of a specific computer (not of my router). Sites such as ipv6-test.com not only show it, but even tell me it belongs to an Apple computer. This ...
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5answers
18k views

How can I figure out what IPv6 to use if I want to set a static IP for my computer?

I recently installed Windows Server 2012 on my desktop. I changed my connection settings to hardcode my internal IP address as 192.168.0.99 (IPv4). Windows Server 2012 warned me that I should also set ...
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0answers
50 views

RHEL interface do not up with ipv4 and ipv6 address

Hi everyone On my server with rhel 6.6 I configured interfaces with two addresses: ipv4 and ipv6. When I make down that interface and then up. Interface up with only one address ipv4 as default. If I ...
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1answer
43 views

Sending too much data over IPv6

I have installed fedora 20 in my laptop, and got a problem that the data traffic, especially the sending part, increased heavily (>10MiB/s), while connecting networks with IPv6. I have tried to use ...
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0answers
135 views

setup socks proxy on vps with multiple IPs for specific users

I have a VPS centos7x64 with 17 IP's. 16 of them is ipv6. What I want is 17 ssh socks proxies for 17 users, so lets say user15 would get 15th IP from total list of 17. First user will use my only ipv4 ...
0
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1answer
127 views

Can I have a static link-local ipv6 address with dhcp for the other ipv6 settings? (netctl or systemd)

I'm using systemd (specifically netctl) and trying to create a network profile which has dhcp or stateless auto config IPv6 but also allows me to specify a static link-local IPv6 address. I've read ...
0
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1answer
108 views

Routing 6to4 packets through NAT

I have a linux router(dd-wrt w/o ipv6 module, no space for that) and a linux PC(Arch linux). I'm trying to setup my router to forward 6to4 packets(protocol 41) to my PC and setup the tunnel on it. ...
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1answer
6k views

Throttled download speeds on new router with Comcast (ipv6 vs ipv4)

Issue with Comcast cable on Linksys or Cisco routers (and others) involving throttled download speed on ipv4. I recently upgraded my internet service to 100+ Mbs and also upgraded my router to ...
0
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1answer
107 views

Timeout on Specific IP Address

I'm thomas and I have a weird Problem with my Network/Internet Connection: It's one specific IP(85.10.200.167) I'm unable to connect to. The IP is public in the Internet and works well for many ...
1
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1answer
132 views

How do I protect my hosts in an IPv6 world?

I realize that IPv6 adoption is a long way off but I'm trying to understand the basics in order to stay ahead of the curve, and also just for fun. Communicating using IPv6 is no problem. It works ...
3
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1answer
3k views

No IPv6 with Asus RT-N56U

Consider the following: My ISP have native IPv6. When I plug directly into ethernet port on my motherboard I have IPv6 connectivity, everything is configured automatically, and works fine. But when ...
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0answers
73 views

How to setup an IPv6 tunnel with AirPort extreme and Windows Server 2008

My setup: Windows Server 2008 VM (static private IPv4) -> Airport Extreme -> Cable Modem I setup a 6-over-4 tunnel at tunnelbroker.net, configured IPv6 on AirPort Extreme, and could successfully ...
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0answers
46 views

unable to connect ubuntu ipv6 host to cisco router

Currently I've been working to set up an IPv6 LAN network with ubuntu hosts and routers. Here's my current configuration: iface eth0 inet6 static address 2001:ac10:101::2 netmask 64 ...
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3answers
29k views

How to disable autoconfiguration on IPv6 in Linux?

How can I permanently disable autoconfiguration of IPv6 in Linux? When I try to manually delete an address from an interface with: ip -6 addr del 2001:0db8:85a3:0000:0000:8a2e:0370:7334/64 dev eth1 ...
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0answers
57 views

I am getting different internet speeds on different computers with the same settings

I have two Crunchbang machines with identical /etc/sysctl.conf and /etc/default/grub files. On both of the sysctl.conf files I have ipv6 disabled, and the grub files are at their defaults. However, I ...
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1answer
215 views

No 6to4 default route in Windows 8.1

On my Windows 8.1 laptop, i can’t connect to native IPv6 hosts over 6to4. route print -6 shows that no default route is set: ...
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1answer
111 views

IPv6 unreachable until restart interface

IPv6 works just well in most time, but everyday 's midnight, our network is cut up by school to force us go to bed, and recovered at next day 's 6am. This is done, in my guess, by justing power off ...
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0answers
41 views

Non incoming IPv6 multicast with routed AP to eth port

I am using a Vocore with Barrier Breaker to receive an IPv6 multicast stream; my sender is a Windows Desktop where VLC is sending a stream through the wireless interface to the multicast IPv6 ...
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1answer
91 views

How is IPv6 stateless autoconfiguration supposed to be used?

I've been using IPv6 for many years now, but it wasn't until I switched ISP recently (and with that, from 6to4 to 6rd) that I found out that stateless autoconfiguration only works on /64 subnets. I ...
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0answers
59 views

Visiting a webserver behind a NAT that has a IPv6 ICP IP address

I set up a webserver behind my xfinity WiFi router/modem. Behind the router, I have 10.0.0.X addresses. My public ISP IP address is an IPv6 address. When I login to the router/modem and set up port ...
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0answers
59 views

How to connect a local network to IPv6 site / net?

I want to connect my home network (IPv4 only conection to internet) to my server (IPv4/IPv6), what is the best way to do this? Current setup: Home network ("HOMENETWORK") with Linux (Ubuntu 14.04) ...
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1answer
512 views

Why can't Chromium connect to http://[::1]:8080/ (i.e. IPv6 localhost)?

For developing a statically generated website on my laptop running Debian, I use weborf running on IPv6 localhost, port 8080: weborf -i ::1 -p 8080 -b .. I can connect to http://[::1]:8080/ without ...
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1answer
83 views

Port forwarding through 2 routers with mixed IPv6 and IPv4 [closed]

My ISP recently changed to IPv6 which made my port forwarding through 2 routers not working anymore. My internal router only supports IPv4 afaik. Is there a way to still forward ports through these ...
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2answers
537 views

Packets not received when running IPv6 through a bridge

I have a setup with two network interface: eth0 and tap0, bridged by br0 bridge name bridge id STP enabled interfaces br0 8000.************ no ...
0
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0answers
58 views

How do I configure ipv6 on a LXC configured bridge?

I am trying to figure out how I can add IPv6 to lxcbr0 that LXC creates. The IPv4 could be configured in /etc/default/lxc-net but I find nothing about IPv6. Can this be done? I am running Ubuntu 14.10 ...
0
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1answer
209 views

Linux- OPENSUSE ipv6 related configurations in sysctl.conf lost after reboot

I am using: SUSE Linux Enterprise Server 11 (x86_64) VERSION = 11 PATCHLEVEL = 1 I added the following parameters to /etc/sysctl.conf: net.ipv6.conf.default.accept_redirects = 0 ...
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3answers
7k views

How do client applications know to use IPv4 or IPv6?

How do servers/computers/users/applications know to request a resource over the Internet with an IPv6 address vs. and IPv4 address?
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2answers
78 views

IPv6 in a SOHO network

If the router in my SoHo network (a Netgear DGND3700) doesn't support IPv6 is there any benefit at all in enabling IPv6 across the server and clients in that network? The successor to that one (a ...
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0answers
122 views

Ping Global IPv6 address on Ubuntu VM

My setup is like this: Host: Windows 8 with Virtualbox VM: Ubuntu 14.04 with 2 network adapters, eth0 a Host-only Adapter and eth1 a bridged adapter connected to my Wireless. From my host to my VM I ...
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0answers
79 views

Tunneling IPv6 through IPv4 for a specific application?

Client: Supporting only IPv4 (OS: Windows 7) VPS: Supporting IPv4 and IPv6 (OS: Debian) On my client machine I run Proxifier in conjunction with PuTTY. With PuTTY I can create an SSH connection to ...
0
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1answer
64 views

ipv6 forward not work

I have the following problem. I am trying to setup an ipv6 network at my home using my server with an ipv6 tunnel as a gateway. Here is my setup SERVER: server interfaces: he-ipv6 Link ...
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0answers
49 views

How can I test IPv6 security with a mikrotik router?

I'm experimenting with IPv6, and I want to test security and encryption. Does anyone know if there is some way to send a secure test packet between my computer and Mikrotik router? Perhaps using ...
0
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0answers
50 views

Globally Unique IPv6 Address on a VM running ubuntu

For testing purposes, I'd like to be able to deploy VM's running Ubuntu that have globally unique IPv6 addresses. The VM software is Virtualbox. I am able to make link local addresses (as said by ...
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0answers
220 views

Only Google, Facebook, Wikipedia and select other sites loading

I have a new Speedport 724v Type B router which reports that it is successfully connected to the internet. The problem is: only Google, Facebook, Wikipedia, and a select few other websites load. Most ...
1
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2answers
232 views

Linux Networking: How to forward incoming IPv6 connections from the internet via a second IPv4 interface to other computers in a local network?

I have some kind of Debian server-gateway-zombie that has two network interfaces: eth0 and wlan0 (yeah, wlan0... I know.). eth0 is connected to a internet cable modem that assigns an IPv6 address to ...
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1answer
61 views

Are IPv4 and IPv6 incompatible? [closed]

Are IPv4 and IPv6 incompatible? Can they be perceived as 2 different internet layer protocols? If yes, what are the significant differences which make them incompatible?
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1answer
224 views

Windows 7 Home Premium cannot connect to internet via wireless or ethernet connections

I have an HP laptop and I cannot connect to the internet even though it says "Internet Access". When I try I get "Cannot access page", then the browser closes and searches for a solution that results ...
1
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1answer
235 views

Dynamic DNS with Dual-Stack IPv4/IPv6

In the past, I have been providing services (i.e. HTTP, VPN, etc.) on my network via port forwarding. Each service has its own domain name (i.e. home.domain.name, deluge.domain.name, vpn.domain.name, ...
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1answer
66 views

Different servers on the same port ipv4 / ipv6

Say I have two TCP servers A and B. A is an ipv4-only server listening on 127.0.0.1:10000. B is an ipv6-only server listening on ::1:10000. Can I start these on the same machine? That is, how are IP ...
0
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1answer
67 views

Execute script on ipv6 prefix change

How can I execute a script or program whenever my (world-routeable) IPv6 prefix changes? If there is (currently) no easy way to do this, a pointer to the corresponding Posix system calls would be ...
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1answer
406 views

SSH using IPV6 getting error “No Route to Host” in Mac OS X 10.10.1

I am trying to SSH with IPv6 in Mac OS X 10.10.1 (Yosemite) but I am getting error No Route to Host"** I can do it successfully with IPv4. Can anyone guide me please if it require any network ...
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2answers
118 views

Neighbor solicitation or advertisement not forwarded between interfaces

I have Ubuntu 12.04 installed in a VirtualBox VM on a Windows 8 host computer. Windows 8 had a hosted (wireless) network to which I can connect with my Android phone. The eth0 interface of my VM is ...