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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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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8 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
39 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
39 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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22 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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5 views

IPv6 upgrade broke my SPF? [migrated]

I run a small custom ecommerce website for a client. I've recently migrated from Ubuntu 12.x to Ubuntu 14.x at a major cloud provider. This came with the benefit of a free/mandatory upgrade to IPv6. ...
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14 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
24 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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20 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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65 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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48 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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36 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
55 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
36 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
27 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
71 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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31 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
20 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
31 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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78 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
63 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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22 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
53 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
26 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
49 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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23 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 ...
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20 views

Access remotely two computers via IPv6

I have a little problem on my house. Recently, I installed Teredo on two computers using sudo apt-get install miredo. Now I can access my two computer via IPv6 using Sockets in C. My goal is: I am a ...
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2answers
59 views

How to IPv4 through IPv6?

My ISP (Unitymedia Germany) tunnels IPv4 traffic through slow and unstable CGNAT (they call it "AFTR", which seems to be a similar thing) but comes with reliable and native IPv6. Now, is there any ...
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87 views

What do I need to do to make IPv6 devices globally accessible using Uverse 6rd?

Summary: With UVerse's 6rd implementation, do I need to buy/install/configure a compatible wireless router in the DMZ to properly handle the IPv6 traffic in both directions (incoming connections too)? ...
2
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1answer
382 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 ...
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1answer
47 views

Block (nullroute?) an IPv6 hostname using /etc/hosts

I'm trying to prevent my web browser from communicating with certain hosts (mostly ads and tracking). I have a list of such hosts in my /etc/hosts file. For IPv4 I can do: 255.255.255.255 ...
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47 views

IPv4 and IPv6 from different browsers on same computer

On my laptop, in Chrome, when I Google "What is my IP?", I get an IPv6 returned as my public IP address. On the same laptop, in Firefox, I Google the same thing, and get an IPv4 returned as my public ...
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1answer
82 views

IPv6 Web Site, But Fails IPv6 Readiness Tests

This is driving me bonkers. I have a Windows Server 2012 R2 machine running IIS 8.5. IPv6 is working fine on this machine. All the IPv6 test sites I browse indicate this machine is indeed running ...
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1answer
28 views

IPv6 network config on virtual box running two Srv2008R2 and Win 7

am trying to set up a test network on my windows 7 laptop to run in an IPv6 environment. basically i have downloaded virtualbox 4.3.12 latest version then created three virtual machines, two are ...
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24 views

windows 7 has ipv6 connectivity but not v4

My wife's windows 7 laptop had network connection problem out of the blue yesterday. It can access google sites like youtube, but nothing else. When I troubleshoot, I found that it has IPV6 ...
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2answers
68 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
124 views

ipv6 ping host got destination host unreachable until run tcpdump

At first (all computer booted) when I ping the gateway (linux computer, two network cards(one is usb)) from a windows computer, I got: "Destination host unreachable", but when I run "tcpdump -i ...
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1answer
103 views

FTP: Unable to connect times out on directory listing

Been going round in circles for this for days now and i'm really stuck. My ftp had been working fine through filezilla, and through the ftp interface in PHP Storm Then all of a sudden the next day i ...
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64 views

IPv6 automatically gets disabled after every second reboot

I'm trying to set a static IPv6 address on Windows 7 and I connect just fine. But after 2 reboots (not one), it disappears. After much troubleshooting, I also see the DisabledComponents reg key ...
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1answer
91 views

Will I be able to register my own IPv6 address as an individual?

I know that at this moment, for all practical terms it is almost impossible to register a small portion of IPv4 addresses as an individual or even a small scale corporation. My question is if the ...
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1answer
56 views

Firefox and Chrome redirecting IPv6 to Google search

There are already answers how to teach those browsers to resolve the targets (enable ipv6 dns), but my problem is, when I enter an address (including http): http://2001:db8:0:1::10:1ff ...
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1answer
72 views

IPV6 DHCP server configuration

I'm new to IPV6. I'm trying to configure IPV6 server on my Linux VM using isc dhcp. we have the following content dhcpd6.conf file default-lease-time 600; max-lease-time 7200; log-facility local7; ...
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1answer
59 views

How can you access your router via IPV6?

Okay, first I wanted to do this just for the lulz, now it is a matter of principle because I need to understand it. My Router supports simultaneous IPV4 and V6. For thus, I have 2 default gateways: ...
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25 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 ...
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150 views

Setting up IPv6 internal network with WiFi access point

first of all I'm completely new to ipv6 so please forgive me if I'll say something stupid. I'm trying to setup an ipv6 internal network to test an application I wrote ( yeah I can code for ipv6 but I ...
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1answer
100 views

How do I configure a mikrotik router to run on IPv6?

I am experimenting with ipv6 and would like to connect to my Mikrotik router via ipv6 on a local level. This would include connecting to it by an ip6 address, and interacting via icmp6. I have ...
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30 views

Gogoc and OpenVPN - can't seem to make them work together

I have a problem with my setup and I was hoping you guys could help me figure out what I should do. I'm currently running a 6LowPAN using RaspberryPi and Arduino nodes. Since I don't have native IPv6 ...
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123 views

PPTP VPN only using IPv6 Connections?

I followed this tutorial to set up a PPTP VPN: https://www.digitalocean.com/community/tutorials/how-to-setup-your-own-vpn-with-pptp Once complete, I connected to it with my desktop and noticed I ...
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73 views

IPv6 configuration: ISP is blocking Neighbor Discovery

My ISP offers IPv6 to interested customers, but doesn't provide any support in this regard. I've been given a /64 prefix (let's call it 2345:6789:11:22::/64), a gateway address (2345:6789:11:22::1) ...
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32 views

How do i get pdnsd to cahce both ipv4 and ipv6 records and use what's available?

This is how i run pdnsd mostly: pdnsd -4 -c /etc/pdnsd.conf -d -muo Unfortunately for some websites it looks for an AAAA record vs an A record and because AAAA is not cached by pdnsd it takes time. I ...