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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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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13 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 host only. Further down the config, ...
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1answer
23 views

OpenWrt DHCPv6 relay bad results for ping

Device: NETGEAR wndr3700v4 OpenWrt Ver: 15.05 Chaos Calmer After setting up DHCPv6 relay with instructions in Wiki, I can get IPv6 address on my laptop and dig can return IPv6 DNS. ping6 ipv6....
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0answers
8 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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1answer
43 views

Why is my IPv6 Address showing instead of my IPv4?

I am wanting to host a server, and I would like people to join through my IPv4 Address, but when I use ipconfig in the Command Prompt, I only get my IPv4 Address, and when I google "What is my IP" I ...
36
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4answers
117k views

Windows Update doesn't work and consumes 100% of CPU (Win7 SP1) [duplicate]

I've observed a strange behaviour with Windows Update (Win7 SP1). The process svchost is consuming an entire core of my Virtual Machine (VirtualBox) doing nothing (i.e., there is no network traffic ...
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2answers
3k views

Get IPv6 correctly through another router

My ISP is Unitymedia NRW, Germany. It it a cable (like TV) ISP which has given me a Technicolor TC7200 modem/router. The ISP uses DS-Lite, so I only have a public IPv6 address, and no IPv4 address. ...
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0answers
27 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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0answers
25 views

How to route IPv6 traffic on Windows through Linux TOR gateway?

I have a Debian VM set up running TOR to use as a gateway to connect other machines to to anonymize their traffic. The torrc file on the VM is configured like this: Log notice file /var/log/tor/...
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0answers
23 views

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 ...
0
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1answer
23 views

IPv6 name resolution fails

My internet connection is provided by my university Case 1 My University -> Laptop direct connection Everything works fine here Case 2 My University -> Netgear WNR614 with DHCP -> Laptop IPv4 ...
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0answers
30 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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1answer
5k 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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0answers
28 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 ...
0
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1answer
36 views

Force modem to return IPv4 address

I recently got a new cable modem and when I reset the IP it gave me an IPv6 IP address. This is a problem because it is a hassle to type in this long string of hexadecimal numbers and also PuTTY does ...
0
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2answers
50 views

Why do I have an IPv4 and IPv6 address at the same time?

I was tampering with my LAN and noticed that some servers see my external network address as an IPv6 while others as an IPv4. Why?
0
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1answer
56 views

I can access my website using my IPv4 address but not my IPv6 address. Why?

I exposed my personal web server to the outside world by opening port 80 for incoming on my firewalls and doing the proper port forwarding. Then I went to whatismyipaddress.com to get my outside IP ...
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1answer
1k views

dhcp6 server config problems

I'm trying to configure an IPv6 DHCP server in gentoo. So far: /etc/dhcp/dhcpd6.conf - subnet snippet: subnet6 2001:db8:21e:101::/64 { range6 2001:db8:21e:101::6 2001:db8:21e:101::100; ...
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vote
1answer
23 views

why does ipv6 coexist with ipv4 slow the load?

My laptop have two network adapter:one is wired lan, while the other is wireless lan. Now I connect ipv6 using wired lan and ipv4 using wireless. The web page seems to get something wrong. It load ...
0
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1answer
32 views

Can Windows 7 acquire DNS from IPv6-Router-Advertisement?

I am playing around with IPv6. Usually, Router Advertisements transmit the prefix and gateway for SLAAC. Since DNS is quite essential, since 2010 RA should also be (optionally) able to transmit the ...
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0answers
40 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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3answers
1k views

PTR record and A record should match. What if there is no A record?

If I understand RFC1912 section 2.1 correctly, these rules apply for PTR records: 1) Every working IP should have a PTR record 2) PTR and A records should match (although this is not checked usually)...
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4answers
2k views

How to whitelist an IPv6 address in VPC security groups on AWS?

I cannot enter an IPv6 address in the inbound rules in AWS VPC security group settings. It says The source must be a valid CIDR (e.g. 0.0.0.0/0) or the ID of another security group and It wont let ...
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0answers
46 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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108 views

ip6tables with K26 std-nokaid-small firmware for my WNR2000 version 1 router?

I am looking at the K26 std-nokaid-small firmware for my WNR2000 (v1) router. It is supposed to support IPv6, but is ip6tables (or other IPv6 compatible firewall) included in the image? dd-wrt.v24-...
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1answer
81 views

Ubuntu as a IPv6 router not taking default route from upstream RA

I've got an Ubuntu 14.04 box that acts as my home router. I've got an IPv6 /64 delegated by my ISP, and I'm using RA and the WIDE DHCPv6 client to configure IPv6. Everything works well, except no ...
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0answers
24 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 ...
0
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1answer
42 views

IPv6 conflict on same network

My requirement is, i am trying create a graphical user interface for my embedded system for ipv6.So i have option for setting manual IPv6 address.My requirement is when i enter manual IPV6 address,i ...
4
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2answers
760 views

disable IPv6 autoconf (MAC-based) IPv6 address without disabling privacy addresses?

Is it possible to configure the Linux kernel to automatically get the RFC4941 temporary (privacy) IPv6 addresses without getting the RFC4862 public (MAC-based) IPv6 address? With the following sysctl ...
0
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1answer
62 views

Windows 10 ICMPv6 Echo Request/Reply not working

I have a strange problem that even though my firewall is completely disabled I can't ping my default IPv6 gateway. When I ping it from a Linux box it is working as expected but under Windows 10 ...
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0answers
15 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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22 views

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 ...
0
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1answer
22 views

no reply from terado server

I am trying to implement miredo tunneling in my Ubuntu machine.i setup everything.But i am not getting teredo interface.When i am checking the miredo service status systemctl status miredo.service ●...
0
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2answers
80 views

How to block websites via host file with IPv6?

I am following the next tutorial to block some distracting websites: http://masonsklut.com/how-to-block-websites-on-your-mac-using-terminal/ The problem is that the tutorial covers IPv4 ...
72
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3answers
38k views

Why is there a percent sign '%' in the IPv6 address?

I am using the .NET Framework classes to get the IP addresses for my machine. Dns.GetHostAddresses(Dns.GetHostName()) I have a VirtualBox adapter which has both an IPv4 and IPv6 address. Using the ...
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0answers
65 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 ...
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0answers
109 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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4answers
2k views

Can we use IPv6 addresses only?

I am trying to do a project about IPv6. My first query is, can we completely disable our IPv4 address and use only our IPv6 address? My second query is, how can an IPv6-only host communicate with an ...
0
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1answer
53 views

RDP and freerdp over IPv6

My question is how we can use this RDP and freerdp protocols with IPv6.These protocols support IPv6 or these protocol only support ipv4.Any help would be appreciated
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2answers
2k views

Get IPv6 address of an IPv4 machine?

Given two machines on a local network, both connected via IPv4 and IPv6, can machine A get the IPv6 of machine B if it has machine B's IPv4 address? I presume the ARP cache should be able to provide ...
0
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3answers
57 views

Making connection between ipv6 to ipv4

I am trying to learn ipv6 .So i have lot of doubts on ipv6 .I already read about ipv6 transition mechanism.My doubt is how a ipv6 host can communicate with ipv4 host through ipv4 network.I read ...
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0answers
18 views

How to use socket or raw socket to sniff all icmpv6 nd packets?

I am working on NDP(neighbor discover protocol) on a router host and the ndp proxy functions to advertise neighbors behind the same router host. But currently, got stuck with the socket to sniff ...
7
votes
1answer
319 views

Why does Google Chrome listen on port 8000?

Occasionally when starting up a development server (again), it will die with the message that the port 8000 is already in use. Running $ lsof -n -i4TCP:8000 | grep LISTEN then reveals Google ...
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2answers
7k views

Why does my Windows have hundreds of temporary IPv6 addresses?

My ISP enabled IPv6 for me a few weeks ago. Now I noticted that Windows (8.1) gets a lot of temporary IPv6 addresses. ipconfig has the following output (real addresses are obfuscated): Windows IP ...
0
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0answers
40 views

Connect two PCs using LAN cable over ipv6

I have to transfer the data from 1 pc to another using LAN cable. I know how to do it with ipv4, but I have some problem while using ipv6. Steps I have done: Dis-select the ipv4 opting from network ...
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4answers
70 views

Where did my machines take IPv6 addresses?

In IPv4 I am required to have DHCP server or manual config to assign NIC some address. In IPv6 I found that many machines have some addresses despite the fact I never configured them (moreover, I ...
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1answer
11 views

Radvd - prefix through RA

With Radvd running on my router, my client PC as everyone says on net "automagically" gets an ipv6 address. Is there any way I can use the same prefix which is published by RADVD in its RA and make ...
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0answers
22 views

Each network operation causes sound interference

Recently I found that each network operation (like opening web pages in browser or loading old ones) causes sound corrupt (digital interference) in listening music or watching video (with sound). ...
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1answer
20 views

Ssh and ipv6: resolution

On my /etc/hosts i made some ipv6address fe80::ee01 hpux.ipv6.private hpux fe80::ee03 slack64.ipv6.private slack64 I do ssh -6 fe80::ee01%br0 OK if I do ssh -6 hpux%...
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1answer
21 views

ipv6 migrating from ipv4 on local lan

I started to migrate local lan from ipv4 to ipv6 I'm a little inexpert about this new ip,and for be lazy I use those address,short and simple Old ipv4 net hpux1 192.168.0.13 hpux2 192.168.0.12 ...