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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Is there a way to enable/disable IPv6 without restarting Chrome?

chrome://net-internals/dns#dns has a button which allows us to enable IPv6 for Host resolver: This is how it looks like after clicking Enable IPv6: How do I revert to the previous state without ...
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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 manager,...
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431 views

DD-WRT and native IPv6

There have been a couple of questions on this topic but as things have evolved somewhat since then, so I'm opening a new thread. My ISP has started offering native IPv6 and I'm trying to get DD-WRT ...
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222 views

What might be causing specific IPv6 HTTPS servers to send an excessive number of RST packets?

Client browsers on my IPv6-enabled home network hang and time out when attempting to load https:// URLs from specific IPv6 sites, such as ones operated by CloudFlare. In those situations, the live log ...
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300 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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936 views

How to make FTP Server in Mavericks listen on IPv6 interfaces?

Althought native IPv6 connectivity is not yet possible with my ISP, I can access IPv6 websites via 6to4 tunnel. The Server App in Mac OS X Mavericks comes with FTP features. However it seems to accept ...
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929 views

Window Server 2012 throttling incoming IPv6 network file sharing operations

Short version IPv4 download from server: fast IPv4 upload to server: fast IPv6 download from server: fast IPv6 upload to server: slow Full version I am copying files from a GBe desktop to a GBe ...
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319 views

Forward IPsec tunnel from IPv4 endpoint to IPv6 endpoint

I have a new ISP and only have a Dual Stack - lite connection now. That means I can't access my router via IPv4 anymore, since the external IPv4 address is private. I have native IPv6 connectivity. ...
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581 views

Can't ping Linux IPv6 bridge from host

I'm using a Linux box with two network interfaces as bridge (br0) and one system (X) behind the bridge with its own IPv6 address configured. Its other end is connected to a router. The bridge ...
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2k views

How to setup pfSense 2.0 for TunnelBroker.net?

What is the procedure to create an IPv6 tunnel in pfSense 2.0? pfSense 2.0 (RC3) supports creation of a GIF tunnels: The help is pretty generic, and pretty unhelpful: In pfSense 2.0, GIF ...
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620 views

Safari proxy bypass for IPv6

I'm a first-time n00b on Mac (but have been doing computers since before PC's). This Mac has 2 VLANs, vlan0 in IPv4, vlan1 in IPv6. Safari can surf via IPv4 squid proxy OK. Safari can surf via IPv6 ...
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496 views

disable IPV6 on specific interface with redhat on vmware

I tried to disable IPv6 on specific interface using IPV6INIT=no on the interface script. its working great on all server accept ones that run on Vmware. any idea? im using redhat 5.2, on vmware ESX
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23 views

RADVD for IPv6 assignement, DNSMasq for DHCP handing out DNS for IPv6 clients - how to do?

As you know, Windows does not support setting up DNS via Router Advertisements (RDNSS) for IPv6. So it should use a DHCPv6 server to somehow get the needed address. I'm using DD-WRT on my router ...
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77 views

How to configure dnsmasq to send DNS server Info via DHCPv6

There is a known problem with a IPv6 Windows Client that it does not accept the DNS Server Info sent by Server via Router Advertisements, even though the IPv6 address assignment works. DNS Server ...
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140 views

How does AWS convert an IPv6 address to an IPv4 address when whitelisting “My IP” address

I recently had to whitelist my IP address in an AWS security group using the "My IP" option. It worked perfectly and displayed an IPv4 address, but when I looked up my IP address with Google I got an ...
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131 views

Use native IPv6 with WRT160NL router and DD-WRT

I currently own a Linksys WRT160NL router with DD-WRT v3.0-r29134 std (02/19/16) installed on it. My ISP (French) is Free, and the modem it provides (the Freebox) supports the IPv6 natively. I can ...
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84 views

How to specify IPv6 link-local bind address in smb.conf?

Using samba 4.1.17-Debian I have tried the following smb.conf entries to bind samba to the link-local ipv6 addresses interfaces = fe80::d270:36a5:ac03:37ea%br0 fe80::/10 ::1 bind interfaces only = ...
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185 views

How do I remote SSH into an IPv6 address behind a router firewall?

I have this fancy new ubuntu server I just built assembled, and I'm trying to set up ssh from anywhere so I can keep it headless. I've been able to set it up locally, and as long as I'm on the ...
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667 views

Windows 10 is not using my IPv6 address by default

I have IPv6 addresses from sixxs.net but if I ping a host that has both IPv4 and IPv6 addresses (i.e. www.google.com or www.facebook.com) I get the IPv4 address on windows 10 but on all the windows 7 ...
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188 views

How to share my IPv6 Internet connection via Wi-Fi from my Windows PC to my Android devices?

According to Using Wireless Hosted Network and Internet Connection Sharing, our Internet connection can be shared to other devices via Internet Connection Sharing and wireless Hosted Networks. However ...
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43 views

ipv4tov6 address translation in windows7

I have a windows7 PC connected to a IPv6 network. On the PC I have an application that needs to communicate with another IPv6 machine. The application can only be configured with an IPv4 address. Is ...
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180 views

TCPDUMP Network IPv6 Packets

I am new to tcpdump tool and I am working in the analysis of network packets, I have analysed the IPv4 Ip packtes generated in case of wifi. But Now I am running my android phone in sim's 3g network ...
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329 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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370 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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184 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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380 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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2k views

How do i make Chrome use an IPv6 address from my hosts file?

I have a Windows 7 machine that's running Ubuntu in a VM. The VM has an interface configured as an IPv6-only, host-only network. The network is statically set up, and all that seems to be working. ...
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142 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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2k views

No DNS requests in Windows 7, nslookup works, ping and tracert can't resolve

I was trying to bring my old desktop computer back from the dead and faced a problem I couldn't deal with. The main issue is what I've written in the title - nslookup works, ping and tracert give a ...
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270 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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288 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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228 views

::1 vs 127.0.0.1 for iis local sites

I have a local site which is running at admin.mysite.com. I have set up the iis config to point to the correct folder. When i enter the following entry in my hosts folder 127.0.0.1 admin.mysite.com ...
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561 views

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: root@78.138....
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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 don'...
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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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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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47 views

Computers can't access each other when both of them connect to Apple NAT64 hotspot

We have an iOS App on App Store. To submit a new version after Jun 1st, 2016, we have to support an “IPv6-only network” according to this link. We referred to Apple's documentation, upgraded a Mac ...
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25 views

always failed to ping ipv6 from AP to Sta

I have a AP and Sta connected wirelessly, configured as following: AP: 2001:db8:290c:1291::49/48 Station: 2001:db8:290c:1291::48/48 when I do ping from AP to Station, it always show PING 2001:...
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41 views

IPv6 routing failing

I am trying to setup a lab IPv6 network, and I am proceeding in the following way. I have a device, which needs an IPv6 global address. I have configured my Windows-10 laptop to be an access point ...
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23 views

NTP does not sync over IPv6

I deployed an NTP server on Debian 8.5 with the following hosts: server time1.example.com server time2.example.com --- server time5.example.com time5 is an ipv6-only host. Further down the config, ...
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11 views

Bluetooth Tethering, no IPv4 adresse at interface bnep0

I want to tether my mobile internet from my smartphone (OnePlus One, Android) to my Laptop (Debian 8). I want achieve this without using external tools. At the arch wiki page (https://wiki.archlinux....
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43 views

How to set up OpenWrt traffic rule for port forwarding IPv6 server on my LAN?

I would like to allow inbound IPv6 traffic on ports 80/443 for a globally routable web server on my home network. What's the best way to do this with OpenWrt, which by default blocks incoming IPv6 ...
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Ethernet adapter/router stopped generating/assigning global IPv6

My ISP provides dynamic IPv6 addresses which i use in conjunction with a DNS update script and a domain to access my computers from anywhere, but for some reason my ethernet network adapter or router ...
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39 views

How do I use mDNS for ssh -6?

Hello I have the following setup: Ubuntu 14.04 LTS Laptop A lot of Raspberry-Pi Model 2 with WLAN The complete setup is based on 802.11 WLAN AD-HOC mode. None of the Pis nor the Laptop uses any ...
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37 views

Cannot connect via IPv4 to a server using a dual stack modem

I have an XFinity cable modem that is "dual stack". The admin for the modem shows both IPv4 and IPv6 "WAN addresses", meaning the public address. However, when ifconfig is done it shows only the IPv6 ...
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47 views

Uncheck IPv6 Checkbox (Unbind) for a Specific Network Adapter on Windows 7 with PowerShell

To preface this, I'd just like to say I have spent a great many days considering the great evils of this request. Nevertheless, I must press on. Unfortunately, on Windows 7, the NetAdapter module is ...
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25 views

IPv6 tunnel interface

I don't know its valid question or not.My question is i have eth0 interface with public IPv4 address and i already created 6to4 tunnel for ipv6.So my question is when i am trying to access a ipv6 host ...
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22 views

RTNETLINK answers: No such process

I am trying to delete my default gateway using ip -6 route .my ifconfig out put is ifconfig eth0 Link encap:Ethernet HWaddr d8:cb:8a:0c:ff:06 inet addr:192.168.2.230 Bcast:192....
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IPv6 ranges and Behrouz Forouzan Data Communications and Network book

I have been teaching from 2007 edition (4th ed) of the book "Data Communications and Network" (McGraw Hill, Behrouz Forouzan) for a few semesters and I did not notice that the tables on IPv6 ranges ...
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80 views

How do I disable a router-assigned IPv6 DNS server?

I am using dnsmasq on a network as a DHCP and DNS server. The DNS service is required in order to resolve names of hosts internal to the network. However, when interfaces supporting IPv6 configure ...