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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Random TCP RST packets interrupting connection over IPv6

I recently got a new router and ever since then google sites have been loading really slow and so I contacted my ISP...after running in circles with them for a bit they said it was a problem between ...
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14 views

What is the name of process (in CPU task manager) that do IPv6 auto configuration? [on hold]

What is the name of process—in CPU task manager—that handles IPv6 auto configuration? Pid or name? If it is not by a process and it is is by kernel, then is there any way to find out the used process? ...
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0answers
21 views

Blocking AAAA responses for certain domains

I'm in Ireland, and my current ISP doesn't provide native IPv6 access -- even if I wanted their consumer implementation of it (which is apparently DualStack-Lite). So I'm using Hurricane Electric's ...
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0answers
12 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 ...
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0answers
29 views

AD Dynamic DNS not working with Linux IPv6 [migrated]

I have an AD DNS/DHCP enabled server. I have mixed Windows and Linux machines/servers. IPv4 is working great with DNS/DHCP, even for the Linux systems. IPv6 is working great except that it won't ...
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46 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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16 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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2answers
87 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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1answer
29 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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36 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 ...
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1answer
35 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 ...
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1answer
40 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
46 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 ...
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1answer
61 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 ...
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19 views

Round-Robin Outbound Source IPv6 Iptables

I'm trying to do this: http://linuxbutler.com/tcpip-outbound-round-robin-load-balancing-iptables/ But with IPv6. It doesn't work, however. Seems nat doesn't exist in IPv6. Can you guys help me out ...
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21 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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1answer
34 views

Deplying IPv6 across multiple interfaces with one 6in4 tunnel

I've got a 6in4 tunnel from Hurricane Electric at home which gives me IPv6 connectivity one interface, br0. I'd like to offer IPv6 connectivity on a separate interface as well, br1. How do I enable ...
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32 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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38 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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0answers
23 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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32 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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1answer
73 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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45 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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3answers
227 views

Is an openVPN with ipv6 more secure than PPTP VPN with ipv4?

I have heard that using ipv6 in combination with a PPTP vpn can expose your true ip address, so I have been using a PPTP VPN with ipv4 for the past few months. I am considering switching to an openVPN ...
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1answer
43 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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1answer
110 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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33 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 ...
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2answers
50 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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2answers
141 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 ...
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57 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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39 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 ...
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1answer
35 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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30 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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92 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 ...
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1answer
52 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
78 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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1answer
100 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 ...
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1answer
40 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 ...
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1answer
39 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
208 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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65 views

Unable to connect to IPv6 from Windows 8.1 via OpenWRT router

I'm new to Ipv6 and trying to learn it. So, I decided to use 6to4 tunneling from Hurricane Electric in my OpenWRT router since my ISP does not provide IPv6. It work perfectly in my router. But when I ...
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1answer
28 views

IPv6 multicast address for all nodes on network

I've got a basic network with 3 nodes (VM's). One node publishes an event, the other nodes listen for it and print something when received. It used to work one-on-one (so node gives event to each ...
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1answer
38 views

Is it possible to setup a private IPv6 subnet and route to the Internet?

I am still trying to figure out how IPv6 works. But I had a question. I currently have an pfSense firewall attached my Comcast service and configured with to request a v4 and v6 WAN address from ...
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134 views

Why can't I have IPv4 and IPv6 web access simultaneously?

I'm using a 6to4 tunnel from tunnelbroker.net to gain access to the Internet via IPv6. Even after getting the tunnel built and properly established, I wasn't able to get access to IPv6 web pages ...
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1answer
106 views

Windows DNS Change IPv4 vs IPv6

I want to change my DNS settings in Windows and I want to use the Google DNS Servers. In all tutorials (Microsoft or Google) I read change IPv4 OR IPv6.. What does it mean? If I change only IPv6 ...
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26 views

IPV6 address removed from interfaces while I make that interface down but IPV4 address still there

Firstly I assigned IPV4 and IPv6 addresses in an interface in Linux..then I brought the interface DOWN and then again UP that interface.. The problem is that then the IPV6 addresses are removed but ...
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1answer
104 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
37 views

ipv6 route add issue while adding a particular nexthop address

// IPv6 route add issue in kernel for a particular subnet...(1000::)...why? // Adding ipv6 route : sudo /sbin/ip -6 route add 1005:1006:1007:1008::1/64 via 1001:1002:1003:1004::1 dev eth0 RTNETLINK ...
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2answers
75 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 ...
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38 views

Connect to IPv6 network with a VPN not supporting IPv6

I have connection to IPv6 network, as well as a VPN connection (IPv4 only). However, the two conflicts with each other: when I connect to the VPN, I cannot connect to IPv6 host, by domain name or IPv6 ...