IPv6 is the newest version of the Internet Protocol. It is designed to supersede IPv4 as it offers many more addresses.

learn more… | top users | synonyms

0
votes
1answer
2k 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 ...
7
votes
2answers
7k views

IPHLPSVC High CPU in Windows 8 x64

I was experiencing consistent high CPU usage in Windows 8 Pro x64. The cause was svchost running at a constant 25% CPU, even at idle. I checked the services that the svchost was running, and toggled ...
4
votes
3answers
4k 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 ...
1
vote
5answers
3k views

Dynamic DNS for both IPv4 and IPv6 (using freedns.afraid.org or others)

[Edit: I have now found a solution; see below for my answer] I want to set up dynamic DNS on my Fritz!Box 7490, so that it is reachable both on IPv4 and IPv6. Note that I want to reach the Fritz!Box ...
2
votes
3answers
266 views

How to remove only one IPv6 address from an interface?

I have board with linux kernel 2.6.23.12 where on eth0 interface it has two IPv6 addresses. root@ramana:~# ifconfig eth0 eth0 Link encap:Ethernet HWaddr FF:AB:CD:EF:85:94 inet addr:...
4
votes
2answers
11k views

Why has ping started to resolve hostnames to IPv6 addresses?

Why would my computer (Vista Business) begin to start pinging using IPv6? I have not to my knowledge made any change to enable this. When I ping a local computer with it's hostname, ping has started ...
1
vote
2answers
1k views

radvd won't accept non-/64 subnets

I'm trying to set up radvd on a 6RD configuration (on Linux), where I have a /64 subnet, and I'm trying to use it on two distinct physical networks, so I'm trying to give each of them a /80 subnet. ...
0
votes
2answers
466 views

How do I completely disable IPv6 on my router?

I'm having some issues on many devices on my network, that might be IPv6 related. In order to troubleshoot it, I want to entirely disable IPv6 on the router itself. I'm using a Technicolor TD5130v2 ...
3
votes
1answer
173 views

IPv6 connection fails on Chrome, timeouts on Firefox

I noticed there's a certain page taking a long time (5 to 10s) to load on Firefox. I traced the delay and it happens when trying to connect to a certain host, bn.uol.com.br. Strangely, this delay ...
0
votes
0answers
21 views

How does Linux handle reachabletime variable of RA message in IPv6 neighbour Discovery Protocol?

I send a IPv6 RA message whose reachabletime is 5s and an echo request to a linux system like CentOS6.5/Ubuntu12.04. Then I send a NA message upon receiving the NS message linux sending. After ...
1
vote
1answer
99 views

Resolving Ipv4 adress from DNS using the Ipv6 adress of a host

I need to make a DNS query to one of my clients using IPv6 to resolve the IPv4 adress for the machine, how would I go about doing that. I know i can just use the hostname to resolve both IPv4 & ...
0
votes
0answers
615 views

Wireless, IPv6: no network, unidentified netword at random

I have been reading other threads and trying suggested steps but nothing seems to work for me. 50% of time the internet works fine, sometimes it slows down sometimes there is no connection at all. The ...
1
vote
0answers
163 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 ...
0
votes
0answers
78 views

How do I make my dd-wrt router obtain a WAN IPv6?

My ISP, Andrew & Arnold, provides IPv6 natively. I'm using dd-wrt in my router. How do I make it obtain the WAN IPv6 and distribute it to computers in my network?
14
votes
3answers
4k views

How do I ping localhost using IPv6?

I'm trying to understand IPv6 better. Firstly, I try ifconfig, and I get the following: eth0 Link encap:Ethernet HWaddr XXXXXXX inet addr:X.X.X.X Bcast:X.X.X.X Mask:XXXXXXXXX ...
0
votes
0answers
36 views

Hyper-V private/internal network providing ipv4 address

I have Ubuntu 15 running under Hyper-V. When I use external network then the VM is assigned with an ipv4. When I switch to internal or private network, the VM is assigned with an ipv6 instead. A side ...
0
votes
0answers
81 views

IPv4 or IPv6 for local DNS server?

I am a bit inexperiencied with networks. I have set up and dns server in a virtual machine on Debian 8 using dnsmasq. To test if it was working, I gave it only one record: www.facebook.com with ...
3
votes
1answer
97 views

IPv4 connectivity to IPv6-only host

I have a IPv6-only host (let's name it S) in my home network which is accessible from outside by its IPv6 address. Since my ISP doesn't provide any IPv4 connectivity, it cannot be accessible from IPv4 ...
0
votes
0answers
185 views

Unable to run apt-get install at kali linux

I was trying to update my kali2.0 machine through apt-get update,I properly configured sources.list as per kali linux repositories I checked my Internet connection and its working fine,myself ...
7
votes
1answer
198 views

Forcing *BSD to accept both IPv4 and IPv6 traffic on a single socket

I have tried a ton of stuff and keep coming up entirely empty handed. Allow me to frame the situation: I have a *BSD Jail setup in FreeNAS that runs a Plex Media Server (Plexpass). It has IPv6 ...
2
votes
1answer
309 views

Linux netstat shows ipv4 mapped ipv6 address

Even after disabling ipv6 on my linux machine and restarting network services, and not having an ipv6 address assigned to an interface, one of my daemon (cassandra to be specific)is using an ipv4 ...
21
votes
10answers
198k views

Why do I get “General Failure” when pinging host name on a Win 7 node on the network?

This is a very peculiar problem with a station on our network. The client pc is running Windows 7 Pro. What makes this problem interesting is that this client is the only node on the network that ...
26
votes
3answers
63k views

how to ssh to a ipv6 ubuntu in a LAN?

I'm able to ping my Ubuntu box via command: (where c2h2ttt is listed in /etc/hosts) c2h2@c2h2crawler:~/ttt$ ping6 -I eth1 c2h2ttt PING c2h2ttt(c2h2ttt) from fe80::21b:21ff:fe22:e865 eth1: 56 data ...
19
votes
2answers
3k views

Can a domain name have both IP addresses (IPv6 and IPv4)?

Can a domain name (example.com) have both the IP addresses, IPv6 and IPv4? Which IP address does a domain name have? IPv6 or IPv4? But I am not sure that it has both or any one at a time.
0
votes
0answers
16 views

IRC connect time on IPv6 using linux

I am in need of some help. When I connect to IRC servers by IPv6 it has taken upwards of 6 minutes to connect. But when i use v4 it takes seconds. This happens on all irc servers that I have tested ...
1
vote
1answer
26 views

“awk” not working when using it with “watch”

In order to watch my IPv6 traffic totals I want to run this command: netstat -s -6 | grep -i octet | grep -vi cast | awk '{ print $2/(1024*1024*1024) }' combined with "watch -n1", so it gets run ...
0
votes
2answers
711 views

long delay during ssh login

When I connect to my Debian server via ssh, the ssh client tries to establish a IPv6 connection. This fails after a long timeout (~30sec), then falls back to IPv4, which then succeeds, and I'm ...
-1
votes
1answer
66 views

Windows resolving hostnames thru IPv6 ULA

I'm running Windows 8.1 and it's trying to resolve hostnames through a IPv6 ULA. Have a look at ipconfig /all: Windows IP Configuration Host Name . . . . . . . . . . . . : rivercardiff Primary ...
0
votes
1answer
81 views

Using IPv6 with Firefox on Windows 7

I have an intranet portal on which I've just enabled the IPv6 interface, and I'm trying to test it. (I can't disable the IPv4 interface yet.) On a test client machine running Firefox on Windows 7, ...
1
vote
2answers
216 views

Can two different services on the same machine use the same port on IPv4 and IPv6?

Say I have two TCP services A and B. A is an IPv4-only service listening on 127.0.0.1:10000. B is an IPv6-only service listening on ::1:10000. Can I start these services on the same machine? That is, ...
1
vote
3answers
901 views

IPv6 Geolocation

I keep regular tabs on where my accounts are accessed from, and sometimes search the locations of IPv4 addresses. I'm now seeing accounts / machines I keep track of being accessed from IPv6 addresses....
1
vote
2answers
252 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? ...
0
votes
0answers
554 views

Force Squid to connect to sites over IPv4 rather than IPv6

Is there any feasible way to force a select amount of domains to use IPv4 connectivity rather than IPv6 with Squid, whether its via acl other another method? I'm aware of the dns_v4_first config ...
25
votes
4answers
4k views

Why does the “Internet of Things” enforce the need for IPv6 addresses?

If you have multiple devices in one network, the amount of IPv4 addresses will not increase linearly to accomodate the number of devices. There is just one IPv4 address per Network/Router that is ...
4
votes
2answers
615 views

Accessing an IPv6 server with an IPv4 address?

I have a server (Mac OS X 10.11) machine at home which exposes various services via web interfaces. I would like to access these from outside my own network. My ISP does not provide IPv4 addresses and ...
8
votes
1answer
118 views

How do I specify an IPv6 address in the X Window DISPLAY variable?

I'm trying to export a DISPLAY variable containing a numeric IPv6 address. What format would the variable take, since IPv6 addresses contain :, which normally is used for the display number? Googling ...
0
votes
1answer
108 views

Router is inaccessible, inexplicably giving IPv6 gateway

So I've been using this Router/Modem from my cable company for about a year now. I accidentally unplugged it earlier today, and now while I can access the Internet through a wired connection, my Wi-Fi ...
0
votes
0answers
31 views

NAT64 using Tayga

I have successfully configured Tayga to facilitate NAT64. I gave a dynamic pool as 10.0.64.0/24. Currently, I have 2 IPV6 hosts configured and trying to ping an IPV4 host through the NAT64 server. Now,...
0
votes
0answers
124 views

Windows 7 not request/response multicast FF02::1

I have write a simple UDP client & server code to test multicast address via IPv6. But I found an interesting thing, that I can't send messages to FF02::1 (same when I ping it). I have used ...
15
votes
4answers
31k views

Is there a way to disable IPv6 in Google's Chrome?

I'm developing websites in a Windows 7 machine. When I've installed Firefox I've found some performance issue specially on connecting to the localhost, googling around I've discovered that it's ...
0
votes
0answers
42 views

IPV6 end-to-end data connection not working

I am configuring for IPV6 end-to-end connection. I can get proper IPV6 address on my wan interface and br-lan interface, but I cannot browse on the IPV6 only network. I can ping the DNS server, but ...
0
votes
0answers
24 views

IPv6: Router Advertisement only works for 8 seconds

(I already asked this in the IPFire forum but didn't get an answer) I have setup a native IPv6 connection using a bridge as documented in http://wiki.ipfire.org/en/add-ipv6/ipv6/extended. IP ...
0
votes
2answers
385 views

Why do some DNS addresses don't resolve if I set my network as IPv6 only?

I'm experimenting with moving my home network to IPv6 only. My first try was turning off the IPv4 WAN interface of my OpenWRT box. When I did that, Google continued to work and by that I concluded ...
0
votes
1answer
206 views

My ISP gives me an IPv6 Address Range over DHCP, pfSense won't hand it out to the rest of my network

My ISP gives me a DHCP IPv6 Address /56 range. I have a friend with the exact same setup as me, and his client PC's/devices all get automatically handed IPv6 addresses. How it's setup: pfSense WAN ...
52
votes
7answers
81k views

Is there any benefit to using IPv6 on my home network?

I know that IPv6 is the future because there is only 4 billion IPv4 address, but on a home network, you are not going to have 4 billion users. So are there any other benefits that would make IPv6 on a ...
0
votes
1answer
240 views

How to set up NAT46 on Linux router?

I have a internet connection supporting IPv6 only. But some of my devices (like an AV-receiver) are only capable of IPv4. ______________ | Linux router | ...
1
vote
2answers
98 views

I'm trying to open query.yahooapis.com but curl is trying to use IPV6 even if I only have IPV4 enabled

When I try to call query.yahooapis.com with curl it's trying to use the ipv6 address but IPV6 is disabled on my computer $ curl -v 'http://query.yahooapis.com/' * Hostname was NOT found in DNS cache *...
0
votes
1answer
253 views

Access IPv6 home server remotely (also from IPv4 networks)

I have an ISP that uses IPv6 and I want to set up a home server running windows server 2012 essentials and access it remotely using the remote web access feature. is this feature capable of IPv6? and ...
1
vote
2answers
359 views

How can I purchase an IPV6 address? [closed]

Is is now possible to purchase either a single IPV6 address or blocks of them considering how many there are available? I've come across a few questions on here but most of them from what I can see ...
4
votes
1answer
7k views

How to configure OpenWRT to route IPv6 traffics?

I recently bought a router and flashed OpenWRT, with kmod-ipv6 and radvd installed. I was trying to set up IPv6 connections, but I can only ping ipv6.google.com from the router, not the computers ...