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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Getting LAN clients to use IPv6 tunnel of Debian router

I have a Debian Jessie powered server which acts as router for our home network. I have succesfully managed to set up an IPv6 tunnel using TunnelBroker and traceroute commands return succesfully. ...
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1answer
43 views

Enabling IPv6 causes certain websites to go dark?

I'm trying to enable IPv6 since my new ISP (CenturyLink) supports. When I do, however, I am unable to connect to half the websites I visit, even if they're well known and well developed. (Yahoo.com ...
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1answer
36 views

Is IPV6 blocking my DHCP on Fedora?

I’m running Fedora 20 with KDE on a laptop I use for work. When I’m at home I use DHCP and when at work I have to statically assign an IP. When I came home the other day for some reason it doesn’t ...
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1answer
15 views

Choose different host part during IPv6 auto configuration

My Internet provider assigns dynamic IPv6 prefixes, which changes every few days. Is it possible to change the host part during auto configuration, e.g. using the prefix from the router ...
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1answer
27 views

Behavior of IPv6 Privacy Extensions

IPv6 privacy extensions are defined in RFC 4941. From that I understand that the temporary interface identifier is not only chosen anew when the temporary lifetimes expire, but also when the link ...
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2answers
27 views

Virtualbox running Ubuntu and ipv6

I'm just playing around with ipv6 and I was trying to use netcat over ipv6. I tried the following and it works. $ # terminal one $ nc -6 -l 7171 $ # terminal two $ nc -vvv -6 ::1 7171 ...
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1answer
73 views

Google Chrome freezes using IPv6

I've got a bit of a problem with Google Chrome. A few weeks ago I switched to another ISP that offered IPv6. Since then Chrome is randomly freezing when accessing certain websites (freezing as in "not ...
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10 views

Revoking a dhcpv6 address lease

Is it possible to revoke a dhcpv6 address lease before it expires? For instance, if the prefix changes, is it possible to distribute new IPv6 addresses?
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2answers
67 views

Debugging IPv6 routing issues

I have been given a native (no tunneling etc) IPv6 /64 block by my ISP. My pfSense router has successfully got an address, and from its WAN interface I can for instance ping ipv6.google.com and get a ...
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12 views

Issues configuring IPv6 on Red Hat 5.8

I'm new at linux and i'm trying to configure IPv6 on a Red Hat 5.8 due a specific application I'm working on. This Linux is installed in a VMWare 8 and the IPv4 is working fine! I can ping the host ...
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0answers
38 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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1answer
49 views

Reinstalled Windows 7 - Now cannot connect to any activation server or Microsoft Exchange

I reinstalled Windows 7 this morning, and now I am unable to connect to any activation servers for any Adobe software, and I cannot connect to Office 365 Microsoft Exchange server in Outlook 2013. ...
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1answer
40 views

IPV6 and MAC discovery

Is there a way to get the MAC and IPV6 Global link address for the network, just as ARP does with IPV4 in Ubuntu. I tried to retrieve IPV6(Link Local Address) using THC-IPV6 tool. But retrieving MAC ...
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27 views

I can only connect to IPv6 websites

my problem is, that I can only connect to servers and their websites supporting IPv6 (such as google.com or facebook.com). On other sites, a ping request times out. Additional information: 1. My ...
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1answer
158 views

Understanding my router IPv6

I got my new Internet contract today. This is the first time I use this router and deal with IPv6. I want to host a local website on a home server. I went to the configuration page of the router and I ...
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2answers
58 views

My router has only IPv6 and I need to host websites

I have never dealt with IPv6. Today I got my internet installed from an internet company and they brought the router. When I accessed the router to see its public ip address, I found that there is ...
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3answers
56 views

Can't access my computer with its public ip

I installed MAMP on my Macbook Pro. It opens on 'localhost:8888'. I went to http://www.whatismyip.com/ and it gave me my ipv4 address. I copied my ip and put it on my browser like this: myip:8888 and ...
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1answer
40 views

IPSet with IP6Tables ERROR

Can someone please solve my headache and tell me how to fix this? [root@www ~]# ip6tables -I INPUT -m set --match-set blacklist6 src -J DROP ip6tables v1.4.7: Couldn't load match ...
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2answers
42 views

Switching to IPv6 - Do I need a router?

In the future, since every IP (IPv6 adress) is going to be global, we don't need to use NAT. So basically, why do I need a router on an IPv6-only global network? Why not just replace my router with a ...
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1answer
56 views

NAT in local IPv4 to extern IPv6

I have a cable router with an outgoing IPv6 address. In my lan I have IPv4 addresses. I want to access to my local server from internet. I am not familiar with IPv6, is there something like NAT? ...
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0answers
25 views

How do I “socksify” IPv6 TCP connections?

For IPv4, one can use REDIRECT iptables target and redsocks/tcpsocks. How to do the same for IPv6? I've tried ip6tables -t mangle -A PREROUTING -d 2600:: -p tcp --dport 80 -j TPROXY --on-port 4455, ...
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1answer
189 views

Using Raspberry Pi as IPv6 router for network

I've succeeded in setting up IPv6 for my Raspberry Pi with tunnelbroker.net. However, I would like to share the /64 I got amongst the other devices in my network. The router of the network is a Virgin ...
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1answer
123 views

Tomcat & Java not listening on IPv6 [closed]

We've got a webserver running Ubuntu 12.04 LTS, Tomcat 7 and Oracle Java. So far, we have been serving a web app on IPv4 address on ports 80 and 443 (80 redirects to 443). I'm trying to make the ...
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1answer
65 views

How can I manually generate a new temporary ipv6 address by generating a new host identifier on Windows/Linux

Right now I am playing a bit with IPv6. Is there any way how I can manually force Windows/Linux to generate a new host identifier instead of waiting for Windows/Linux to do it on it's on schedule ...
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1answer
70 views

Why are we still stuck on IPv4 when we are IPv6 ready? [closed]

With IPv4 finally just about out, why is it so hard to switch over to IPv6? My entire home network is IPv6 and the switch over was easy. Is it a hardware problem that keeps IPv6 from taking off? From ...
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1answer
46 views

when describing an IPv6 subnet, what does the /n notation mean, where n = 64, 128, etc.?

I have seen IPv6 subnets described as /64 or /128, particularly by hosting companies. Does a /64 subnet mean there are 64 ipv6 addresses? Or 64bits worth of ipv6 addresses?
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1answer
409 views

Why would my router have different MAC addresses for IP and IPv6 transactions?

Today I was using tcpdump and I noticed my computer was having IPv6 traffic with a particular MAC address that I could not match with an IP using nmap or arping. After looking at the tcpdump logs a ...
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1answer
105 views

radvd is not assigning prefix

I'm currently trying to setup IPv6 address auto-configuration with router advertisement daemon (radvd) on a virtual machine running CentOS 6.5. But the eth0 interface is not obtaining that prefix. ...
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218 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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1answer
67 views

Router keep advertising itself on ipv6

I keep receiving the following router advertisement every few seconds from my router on ipv6 despite disabling my wireless ipv6 connection: # tcpdump -vv 'ip6 and icmp6' tcpdump: listening on wlth0, ...
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42 views

how to get a new prefix delegation using wide-dhcpv6-client

I use wide-dhcpv6-client to get prefix delegation.But how can I get a new prefix at renew time to prevent from being tracked.
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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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49 views

NetworkManager - IPv6 same metric: prefer wired connection

Situation: I have a Linux system with a wired (enp0s20u2) and a wireless (wlp2s0) networkcard connected to the same network. The networking is managed by NetworkManager 0.9.8.9. The routing tables ...
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191 views

Default Gateway IPv6 but IP set on IPv4

I have a client who has a network setup. I have a couple of devices which work on the network using socket communication which I want integrated onto their network. There is a PC which is to be made ...
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1answer
262 views

How do I deploy IPv6 within a LAN using a Debian based router and prefix delegation?

My ISP started using DHCPv6, which means with this /etc/network/interfaces... auto lo eth0 eth1 iface lo inet loopback allow-hotplug eth0 iface eth0 inet static address 192.168.0.1 netmask ...
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180 views

How to deal with Dual-Stack Lite and incoming connections

My ISP (german cable ISP Unitymedia) forced me to use DS-Lite / Dual Stack Lite because he ran out of IPv4 addresses. Common problems with that setup are: interrupted connections (i.e. in online ...
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3answers
123 views

What is the best practice for ipv6 address assignment when using a dynamic prefix?

My ISP recently enabled ipv6 and I thought to myself this would be a good opportunity to roll out ipv6 on my LAN. Unfortunately, I only get a dynamic prefix so I never know the addresses / the subnet ...
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1answer
42 views

How can my program make IPv6 connections?

I see in Resource Monitor that my torrent client uTorrent makes many connections to addresses in IPv6 range. How can it be? My router is D-Link DIR-615 and has no any setting about IPv6. How can any ...
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1answer
99 views

IPv6 only LAN with NAT64 router for Internet

I want to disable IPv4 on my LAN and run only IPv6. I will use a NAT64 Juniper firewall to provide Internet access since I only have IPv4 Internet. Will this break applications? Will I be able to ...
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27 views

IPv6 fails under Hyper-V

The setup I have is Ubuntu 12.04 LTS running under Windows 8.1 Pro as a guest OS via Hyper-V. Success of connectivity tests via ping6 seems to depend on the type of interface binded to External ...
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1answer
41 views

IpV6 No network access

I'm Currently using Windows 8 on my laptop, and windows 7 on my computer. They used to be connected by the homegroup, which was brilliant, but now they can't find eachother anymore. I've tried to ...
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42 views

Use rtpproxy as a NAT on openIMSCore

I have some problems, I want to ask about rtpproxy and OpenIMSCore server. Actually I want to make IMS running like this: client IPv4 -- > OpenIMS <-- ipv6client. I want to use RTPProxy as NAT, so ...
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1answer
48 views

Vanity IPv6 address with SLAAC

I would like to force the second half (the interface identifier) of my link-local and SLAAC-configured global addresses to not be derived from my MAC address or completely random (from privacy ...
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0answers
14 views

Quell ICMPv6 responses using Linux

On Linux, you can use: sysctl -w net.ipv4.icmp_echo_ignore_all = 1 to quell ICMP echo responses from the Linux networking stack. This is different from BLOCKING ICMP responses using ...
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364 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 ...
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2answers
84 views

Can IPv6 traffic pass over an IPv4 network? [closed]

Consider the case where there are 2 computers using the IPV6 protocol that want to communicate with each other, and the packet(s) must pass through a network that uses the IPV4 protocol. Can the ...
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2answers
73 views

How to “extend” IPv6 stateless autoconfiguration domain to my other network without bridging?

My router's uplink is network that uses has a /64 IPv6 space and uses stateless autoconfiguration. I want the same stateless autoconfiguration to be available on the second router's interface. The ...
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4answers
1k views

bind-address = ::1 # however, netstat shows 0.0.0.0:3306 LISTENING

I'm running MySQL 5.6 on 64-bit Windows 7 with IPv6 and IPv4 enabled. In my.ini: port=3306 bind-address = ::1 I was hoping to use IPv6 and restrict to the loop-back adapter. I used ::1 instead ...
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2answers
103 views

Configuring and troubleshooting IPv6 routing on multi-interface Cisco router [closed]

I recently purchased a new Cisco router for my IPv6 network. I configured the correct IPv6 addresses on all the interfaces and enabled the interfaces on the network. I'm able to ping all of the ...
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1answer
69 views

What is the difference between IPv4 and IPv6 in terms of binary?

I know this question is for entry level users. That I am. New to this world and finding it very interesting. I have done some research on IPv4 and how to convert IP addresses to binary and vice versa. ...