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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Configure a fixed IPv6 gateway which has a changing IPv6 address?

Short version, possibility of XY problem: I have to configure a static IPv6 gateway on my computer. The gateway's IPv6 prefix changes once a day. How do I do that? Long version with all details: I ...
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7 views

Computer constantly losing internet connection Norton Scan says IP address disappears

One of my computers is constantly losing it's ip address and going offline and showing the yellow triangle over the little computer network icon. I am using a router for three computers and two I ...
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19 views

Setting up ipv6/dhcp with duid

I've got an online.net dedicated server which runs fedora 22, KVM and a few other things, so I currently have it setup with a bridged network connection. My provider has given me a duid, and I'm ...
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1answer
173 views

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

I've created this question since I don't have enough reputation to answer others like that: svchost.exe high memory usage - wuauserv. Actually I've registered here mainly to share my experience about ...
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49 views

Correct way to set up Windows Server 2012 R2 ESSENTIALS? [closed]

Here's my basic setup: Windows Server 2012 R2 ESSENTIALS. Lenovo TS440 Server. Comcast Router/WIFI/Modem Cisco DCP3939B (Business) NO COMCAST STATIC EXTERNAL IP. TrendNet TEG S80g 8 port switch. A ...
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1answer
45 views

Can I allocate IPv6 addresses to directories of my web server?

I am running an apache server on a Debian machine and I have 1 IPv4 addresses and 20 IPv6 addresses. I want to run two websites of this server, can I allocate a directory an IPv6 address so that I can ...
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1answer
40 views

Ubuntu can't connect to IPv4 sites, and some very odd network behavior

I'm on Ubuntu 15.04 with Chrome up to date. I've been having a strange problem recently. My internet connection is wireless broadcasted from DSL (AT&T U-Verse to be exact). Viewed with ifconfig, ...
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36 views

How to configure Windows XP/windows 7 to support icmpv6 redirection?

  I construct an icmpv6 redirection packet. When I send it to Linux, it works well. Then I modify its destination ip and mac address and send it to the corresponding windows XP/7 system, but windows ...
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29 views

How do I change my IPV6 address?

I am trying to avoid a twitch perma IP ban by changing my IPV6 address, I am under Videotron Ltee, windows 8, using a Lynksys Cisco router and an Aris modem. For now I was using a VPN but it seems to ...
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1answer
60 views

Access IPv6 computer from IPv4-only network. Is it possible?

I recently changed from an ADSL 10 MB to a GPON 40 MB and since then I'm having a bad headache. My old ISP (ADSL) gave me always a valid public IPv4. Sometimes it changed but there was no problem ...
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41 views

How do I change my IPV6 adress and protect myself from DDOS attack?

So recently I accepted a random person on skype, this person started DDOS'ing me (atleast I think this is what itis) the person told me he was gonna DDOS me. The first thing I did was removing him, ...
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26 views

server behind vps, ipv6 to ipv4

i have a server, vps and few clients that connects directly to server, but now i want them to connect through vps. server is visible only by ipv4, and vps accepts only ipv6, i will change clients so ...
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32 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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0answers
26 views

ipv6 routing between 2 subnets not working

I'm trying to configure ipv6 routing between machines in the different subnets. Between the machines already configured and works ipv4. I have 2 ipv4 subnets with addresses: 10.0.1.xxx 10.0.2.xxx ...
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37 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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17 views

I cannot capture DHCPv6 packets on GNS3 using Wireshark

I have got a router set up as a DHCPv6 server connected to a host that gets an IPv4 & IPv6 addresses from it, however I am not able to capture any DHCPv6 packets at any point of the connection. ...
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21 views

Ubuntu server as DHCP server for dual stack

I currently have an Ubuntu server on VirtualBox set up to give hosts on my GNS3 topology IPv4 addresses, and it is working without issues. However, I would like to have that same DHCP server give out ...
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2answers
122 views

Firefox sporadically loses ability to perform DNS lookups

I've scoured the web for several days now, essentially every single time I encounter this. I hope someone here knows a solution to this. Facts I'm using the latest stable release of Firefox at the ...
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1answer
73 views

How to enable IPv6 on Mac?

I'm using Yosemite 10.10.3 Wi-Fi BUFFALO Going to [http://test-ipv6.com/][1] shows me that "No IPv6 address detected" Right now its on "Automatically" If I change it to "Manual" - what should ...
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22 views

Installing an IPv6 subnet to my home network

When I call my ISP and ask for an IPv6 subnet which the default is a /64, correct? I have the ability to then assign an IPv6 address or more to each one of my servers, which is 20 in total, and they ...
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14 views

Output of the Show ipv6 dhcp interface

I successfully configured the DHCPv6 server. My CPE is also receiving the prefixes. However, I am not to figure out some of the terms(which are in BOLD) in the output of the command "show ipv6 dhcp ...
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1answer
13 views

Contiki OS Rime + IPv6

I have a network of sensors which run the RIME protocol with custom muli-hop connections. I intend to connect this network to an outside network (IPv6). But my question is that whether RIME and IPv6 ...
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1answer
30 views

Ipv4 properties tab greyed out

I am facing this problem of IPv4 and IPv6 properties tabs greyed out and not able to change the settings of the same. I have tried many solutions given online such as netsh commands and antivirus and ...
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1answer
61 views

Is the PULSE_SERVER environment variable supposed to take an IPv6 address?

I am currently struggling with Avahi. Before debugging further, I wanted to check the sanity of my Pulseaudio setup, so I commanded 'export PULSE_SERVER=10.4.0.202 && mplayer sound.mp3' which ...
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103 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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2answers
159 views

What is the IPv6 equivalent of 192.168.xxx.xxx? [duplicate]

I have a server which responds differently to requests from the general internet as opposed to the intranet. For IPv4 I can simply check if the address begins with 192.168. This works for my needs. ...
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49 views

Enabled IPv6 Nic causes network connectivity issues

I am having issues with network connectivity while PC NIC's have IPv6 enabled. My organization does not utilize IPv6. Actually, the network admins here don't have any clue how to. I have come to the ...
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1answer
50 views

How to autoconfigure IPv6 route

I configured a simple router that should provide IPv6 connectivity to machines that are on LAN behind it. The router has 2 network interfaces (eth0, eth1), machines have 1 (eth0). On router's eth0 is ...
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2answers
81 views

What is a typical and simple to remember example IPv6 subnet?

In IPv4 people often use subnets like 10.0.0.0 (10.0.0.1 - 10.0.0.254) or 192.168.0.0 Both of these are rather easy to remember. What is their alternative in IPv6? I know I can probably invent any ...
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40 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? ...
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1answer
49 views

How to get IPv6 of a website?

How can I get the IPv6 address of any website ( eg www.google.com) using ping command in cmd on windows 8.1? And is it possible to do so if my OS only supports link-local IPv6? I tried this: ping -6 ...
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1answer
22 views

port forward in INPUT level

I want to change the destination port of the ipv6 packet in the INPUT level. So I tried to use ip6tables with nat in the INPUT level but seems this command does not work # ip6tables -t nat -I INPUT ...
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1answer
32 views

IPv6 inverse neighbor discovery doesn't work

I read RFC 3122 which is about IPv6 Inverse Neighbor Discovery. And I want to test it. So I construct an IND Solicitation packet and send it to Debian 7.2. However I never receive an IND reply. My mac ...
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1answer
101 views

Android dhcp assigning bogus dns server

I've been having problems with Android devices and DNS lookups on my WiFi network, so I've done some digging and found that android is assigning what appears to be a random link-local ipv6 address in ...
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1answer
71 views

How can I add some static IP address at IPv6 for Windows 2012 DHCP server?

I would like to add some static IP address to my Windows 2012 DHCP server. I have tried to pair the IP address with its MAC address. At IPv4 it works, but how can do it at IPv6? Could anybody link a ...
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1answer
70 views

I can't set up the following Netsh settings, because the object is already exist

I use the Netsh int ipv6 show int in terminal, the result: 1 50 4294967295 connected Loopback Pseudo-Interface 1 11 10 1500 connected Local connection When I wanted to use the ...
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24 views

IPv6 global address lost after delay

I have a (gentoo linux) computer behind a home router (Fritz!Box 7360). When I initially connect it via a wired connection, it is assigned a link-local address (fe80:...), a unique local address ...
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1answer
57 views

Some sites does not work with IPv6

I have a IPv6 problem. I'm running native dual-stack IPv4/IPv6 and most sites works just fine over IPv6, but some sites won't load. Any idea what can cause this? I have tried to reduce the MTU, but ...
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55 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 ...
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1answer
26 views

ipv6 not public availible

I'm trying to get my server to be public availible on IPV6 I did the test on: http://test-ipv6.com and it's 10/10 I've set my primary and secundairy servers to Google's (on the server) when I connect ...
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1answer
31 views

trying to include new fields in IPv6 Router Advertisements

A newbie here and I am working on a hobby project and trying to change the packet format of an IPv6 router advertisement packet using RADVD. But I do not know how to work on it. My plan is to set up ...
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72 views

Disabling IPv6 DNS resolution on client only to a specific domain

I have a Windows 8.1 machine, from which I want to connect to my company's extranet. However, I can't connect to it from my domain-joined laptop when it's at home, though I can from a work, or a ...
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0answers
201 views

How can I prevent Cisco Anyconnect, client-side, from setting any IPv6 routes?

On the client side, how can I prevent Cisco Anyconnect from setting IPv6 routes. I'm admin on the client-side, so this shouldn't be a limiting factor. Currently upon connection routes get set for ...
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54 views

ip6 on a wrt54g Via Charter

I was told you guys might be a better site to ask this question. Im looking to play around with ipv6 and would like to get my router (wrt54gv3.1) working. My ISP(charter) offers a 6rd relay to use. ...
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35 views

OpenStack with IPv6 only

Can I create cloud instances using OpenStack if I only have IPv6 addresses (instead of IPv4), provided from my ISP? I've searched for a tip on the Internet, but I've found only for using both.
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2answers
587 views

Using only AAAA record for a domain?

Can I point a domain to IPv6 only, instead of IPv4 and will it be fully functional? I've searched for a tip on the Internet, but I've found only for using both.
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2answers
175 views

How to get the ipv6 address marked with a specific scope?

If I run /sbin/ifconfig eth0 I get the following output: Link encap:Ethernet HWaddr <address hidden for privacy> inet ...
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1answer
114 views

Running tunneled IPv6 in Windows 8.1 without gogo6 Client

I have just discovered that my ISP (IT Fastweb) provides IPv6 services to home users. Willing to try out connectivity, I have read their page about configuring IPv6 with gogo6 client. Their guide ...
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1answer
77 views

How to setup an ad-hoc network in Ubuntu using IPv6 address?

Please guide me to setup an ad-hoc network setup between two ubuntu linux machines with the IPv6 protocol. I believe this command will help me to configure an IPv6 address but what about the gateway ...
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36 views

How do i configure background traffic in Opnet 16.4?

I am currently working on a project which investigates codec performance over IPv6 networks. i have a two topologies for each codec, one with background traffic and one without. so far i have only ...