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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How can I make localhost resolve to 127.0.0.1 instead of ::1?

When I ping localhost the address resolves to the ipv6 loopback of ::1 My MySQL and Apache installations expects the ipv4 address of 127.0.0.1 How can I configure my WindowsXP to resolve localhost ...
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438 views

enabled IPv6 but [::1] is not working

Windows XP with IE 7 http://localhost works. http://127.0.0.1 works. http://[machinename] works. http://[::1] does not work. A separate W2K3 machine works with all four addresses. I did the same ...
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215 views

issues switching to IPv6

Currently have a local LAN with one WindowsServer2003 machine and several XP machines. Everything works normal, users can share folders, etc. Decided to install the IPv6 protocol on all machines, ...
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1answer
86 views

Anyone use uncommon DSL providers? [closed]

I'm considering switching my DSL provider from verizon to another DSL provider that seems to offer multiple IP addresses to its customers (for not a huge amount of money). I'm also interested in ...
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526 views

netcat is blocked, telnet gets connection

I'm trying to install an svn server on my linux machine (ubuntu 9.04). I copied a line to start svnserve to the inetd.conf file and restarted inetd. But I'm not able to connect with an svn client to ...
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1answer
801 views

Fixed dhcp ipv6 lease with windows seven?

Here is my setup: my isp provides me with a /64 ipv6 adress (a real one, not through an ipv4 tunnel or whatever) in addition to my ipv4 my router provides the ip with dhcp over my home network. I ...
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1k views

IPv6 autoconfigure on Windows XP

I read this from Running IPv6: C:\>netsh netsh>interface ipv6 netsh interface ipv6>show addres Querying active state... Interface 6: Local Area Connection 3 Addr Type DAD State Valid Life ...
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1answer
27 views

How to transparently tunnel a port from IPv4 to a remote IPv6 device?

At home, I am connected with an IPv6 address and additionally, my provider provides a NAT-like setup through which I receive a public IPv4 address that I share with other customers (the reason being ...
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190 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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58 views

Windows 7 / PuTTY drop IPv6 TCP connections on brief outages

This is an IPv6-version of the following question: Why Windows 7 / PuTTY drop TCP connections even on very brief outages? After moving from IPv4 to IPv6, I've noticed that my IPv6 connections would ...
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42 views

Login to Hamachi using IPv6 times out

My cable modem uses IPv6 and so does my LAN. I want to connect my laptop to the hamachi service. However, the laptop tries to connect via IPv4 and this attempt fails. The network configuration of my ...
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88 views

DMZ Linux host in IPv6 network with changing prefix

I have the following scenario: My home network is connected to the internet via IPv6, the router advertises the network prefix in the network so devices are auto-configured. The network prefix ...
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1answer
137 views

How and why is this ubuntu system getting an ipv6 address?

I'm currently playing with hostapd. My current network configuration (well the relevant bit anyway) is a Asus RT N56U as a primary router (its at 192.168.1.1 on ipv4), and a ubuntu 12.04 server x86 ...
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76 views

How to access internet from HYPER-V guest machine which uses IPv6 Only?

I have Windows Server 2012 installed in my laptop with Hyper-V activated. I have a wireless network interface with which I can connect to the Internet from the physical machine as well has the ...
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1answer
211 views

Mac listening on port 80 for both IPv4 127.0.0.1 and IPv6 ::1 with SSH tunnel, but connection is not possible with IPv4?

I am connecting with openssh to a remote server, running a web server which I need to access as if from the server itself. Therefore I use ssh-tunneling, like this: sudo ssh -L 80:127.0.0.1:7065 ...
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1answer
71 views

Is there any way to serve http from behind a typical home NAT/router (from inside a LAN)

I seem to remember reading that something in IPv6 could help with this. I thought I would ask here to see if per-to-peer http could be a possibility these days. I am familiar with hole-punching, but I ...
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1answer
977 views

Cannot get an IPv6 address on Debian

I am using Debian 7 with the newest updates. I have a block of IPv6 adresses from my provider and, according to the provider the DHCP server is setup so that I should get an ip automatically (I even ...
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36 views

No Internet Access for Metro Apps [duplicate]

I have a Laptop running Windows8 that is connected to the Internet via LAN. Because I do not have a WiFi router at the moment, I am sharing Internet over a hostednetwork (ICS enabled for the LAN ...
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1answer
118 views

Can ping but cannot search

I have a problem with IPv6 connectivity. I have searched a lot of web sites, but I cannot find a solution. Here is the ping output: Ping ipv6.l.google.com [2404:6800:4005:c00::67] (with 32 bytes of ...
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291 views

Cisco - client can ping but router not

I configured a HE.net IPv6 Tunnel on my router which has two WAN ports. The strange thing is that all clients are able to ping IPv6 hosts on Internet, but my router cannot ping anyone. Here's the ...
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1answer
120 views

How to troubleshoot lost 6to4 packets?

On my VDS, both 6to4 and Teredo seem to work poorly (packet loss is about 40%). just-ping.com shows packet loss 10%-80% both for 6to4 and for Teredo address, but 0% for IPv4 address. When running ...
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Why is “localhost” slower than “127.0.0.1” in Google Chrome - Windows 8? [duplicate]

There is a very similar previous question and answer, but for windows 7 and/or earlier versions of Google Chrome, here: Is there a way to disable IPv6 in Google's Chrome? That solution no ...
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1answer
738 views

DNS Resolution Issue - Error 105

I cannot connect to the internet. I am having issues resolving DNS (Error 105) in all browsers on my Dell XPS 15 laptop running Windows 8 64x. There is also a dual boot with linux Mint running that ...
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1answer
179 views

Why do I need a managed switch and which one should I buy?

I bought a 2nd router and I want both routers to have direct WAN access to the modem. One of the 2 routers directs VOIP traffic to a telephone line port. This VOIP service is provided by the cable ...
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373 views

Windows doesn't respond to IPv6 multicast ping

I'm trying to do a IPv6 multi-cast ping from Linux and I can't get a response from my windows host. ping6 -I eth1 ff02::1 Will find all my Linux and iOS devices but not my Windows hosts. I can find ...
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How to check if protocol 41 (6to4) is filtered by ISP without changing the network configuration?

Obvious way (just setting up 6to4 tunnel and pinging) fails because ip command seems to be read-only on my VPS: can't change any networking-related settings. So I try using raw sockets: ...
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How to redirect local connection to my things in IPv6 on linux?

With IPv4 I can make some program connect to my service instead of where it wants using REDIRECT and DNAT targets in OUTPUT chain in iptables (sometimes combined with -m owner) In IPv6 hovewer I ...
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1answer
87 views

Why can I not (re-)install IPv6 on Windows XP Home laptop?

Years ago for some unknown/mistaken reason I uninstalled IPv6 on one of my XP laptops. I have not been able to reinstall IPv6 - neither via the commandline nor the GUI. The error message is: ...
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373 views

How do I get Tomato to use IPv6

My ISP provides native IPv6 and it works great when I connect directly with my macbook to the ethernet port. I get a ipv6 assigned and all IPv6-only sites works great. But when connecting through my ...
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1k views

How can I get windows to release an IPv6 address

I have a windows system with an IPv4 address and an IPv6 address and I'm trying to figure out how to release my IPv6 address. I've tried ipconfig /release6 and I get this error An error occurred ...
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IPv6 traffic shaping

With the second IPv6 Launch Day behind us, i'm stuck waiting for traffic shaping support on IPv6 before i can deploy it to our network. i currently use m0n0wall as a router with its IPv6 support, ...
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How to install IPv6 on Windows 2003

How do you install IPv6 on Windows 2003 ... and get it working ? I'm trying to add IPv6 to one of my development machines which is Windows 2003. I've followed the knowledge base article on MSDN, and ...
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Are there any home ISPs that offer external IPs for all devices on the network? (No NAT)

NAT is a a real pain, and the large address space in IPv6 doesn't need it. Are there any ISPs that offer actual home routing, giving each computer a global IP address, rather than a local one? This ...
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1answer
603 views

Can't access my shared folder by ipv4, only ipv6 and name

How to make possible to access to shared folder on win7 machine by ipv4? as my linux machine needs it. The problem is in fact that i can't access by ipv4 to this folder even from this win7 computer, ...
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878 views

Can't ping Linux IPv6 address from Windows XP

I gave an IPv6 address to my SUSE Linux machine on a VirtualBox VM with ifconfig eth0 inet6 add ... I can't ping that address from Windows XP (vice versa) The address of the Linux machine is efbb::26 ...
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IPv6 addresses in dnsmasq

As I need to use dnsmasq to route all requests on *.local to my local machine (and use there an IPv6 addresses), i set up the dnsmasq like this: /etc/dnsmasq.d/my-local.conf address=/local/::1 ...
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1answer
75 views

IPv6 SSM multicast: is it built in or do you have to use another protocol like PIM-SM with it?

I'm trying to understand how integrated SSM multicast is to IPv6. Is it built in and sent solely by ICMPv6 messages or do you have to run something extra like PIM-SM? The reason I as is I've seen ...
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198 views

Do modems affect IPv6ness?

I have a 11year old modem. However from my knowledge it isn't giving me problems. I ran an ipv6 test I got "10/10" for for your IPv4 stability and readiness and 0/10 for IPv6. I then tried running it ...
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541 views

Configure IP v6 on Linux machine

I use this command to assign a site-scope IP address: $ sudo ifconfig eth0 inet6 add fee3::216:cbff:fe94:1a86/64 $ Check it with ifconfig: $ ifconfig ... eth0 Link encap:Ethernet HWaddr ...
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No AAAA responses from Google DNS

I just set up a HE tunnel on my Windows 7 PC, and while i can browse to http://[2a01:3f0:0:a::186]/ i cannot browse to http://ipv6only.bredbandskollen.se which is their FQDN. Also, the speedtest flash ...
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IP Helper service uses 50-60% CPU every 1 minute for 3-4 seconds on Windows 7

I have checked everything - all the processes in the process explorer. IP Helper service is causing CPU usage of over 50 % every 1 minute for 3-4 seconds then comes back to normal. In the task ...
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Not able IPv6-tunnel using miredo for Mac OS X

I have been trying to setup Miredo on OS X 10.7.5 using the Miredo Installer for OS X When Miredo starts after installation, the check box next to the "Teredo Tunnel" is still red and I am not able ...
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3answers
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What is it that makes the transition to IPv6 so difficult to deploy on a wide scale?

As most people know by now, the IPv4 address space is about to run out, and this (and other problems) can be solved by migrating to IP6. Now I keep reading in the tech press that the migration is a ...
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How to find the next IPv6 address in a sequence

I have a /96 block of IPV6 addresses and i'm wondering how i could some how find the next address (Since ipv6 addresses can contain numbers and letters). I know the first address could be in numbers ...
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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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Disabling IPv6 without tweaking the registry

I read an article that disabling IPv6 needs a registry hack. Is there a different way to disable IPv6 without modifying the registry in Windows 8?
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Does IPv4 and IPv6 talk to each other?

If a country switches entirely to IPv6, does this changes anything for the other countries? (question inspired by this news article)
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I have IP conflicts and I can't host my server anymore [duplicate]

My father and I have the same IP address on my network. (I found this on cmyip.com) This makes it impossible for me to host servers (for instance minecraft or terraria) and I don't know the solution. ...
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705 views

Why do I have so many IPv6 (inet6) addresses?

If I run ifconfig on my Linux (Ubuntu) server, I get the following output: eth0 Link encap:Ethernet HWaddr d0:27:88:0f:80:74 inet addr:10.1.0.11 Bcast:10.255.255.255 Mask:255.0.0.0 ...
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Ipv6 routers for home and smb

Keep reading stories about how ipv4 is just about out of addresses and how we need to start moving to ipv6 What kind of hardware is out there and what features desirable for SMB and or home use?