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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How can I add an IPv6 address with a scope ID to the ssh config file?

On Linux, an IPv6 address can have a scope ID at the end with a percent sign before it. For example: fe80::1%usb0. See Why is there a percent sign '%' in the IPv6 address? I want to add such an entry ...
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422 views

ssh from IPv4 to IPv6

I have been trying to reach, using ssh, an IPv6 server from a IPv4 (only) client, but am having no success. Both systems run ubuntu 12.04. I am aware that ipv4 and ipv6 are different protocols and ...
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72 views

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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75 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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1answer
480 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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4answers
135k 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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0answers
653 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
79 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
416 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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45 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 XP/...
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364 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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100 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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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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0answers
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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126 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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3answers
1k 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
666 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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26 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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1answer
83 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
112 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
198 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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0answers
432 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
589 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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488 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
148 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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340 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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114 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
71 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
73 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
103 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
381 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
259 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
380 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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1answer
107 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 (fd00:...
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1answer
158 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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1answer
207 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
37 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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42 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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300 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 non-...
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1k 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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0answers
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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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2answers
5k 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
456 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 addr:<...
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1answer
343 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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234 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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1answer
154 views

Native IPv6 on Debian Router

After my old Tomato USB router died I started using an old netbook with Debian Wheezy installed as my home router. I have two WLAN interfaces and one LAN interface. wlan0 has internet access and wlan1 ...
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1answer
111 views

Allocate an IPv6 address to my MAC address

I like to run a game server periodically, and to help ensure that the address is predictable for other players, I have created a DNS (A) entry to map a well-known DNS name to my public IPv4 address, ...
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295 views

Assigning Static IPv6 address to Ubuntu VM in Vmware

I'm trying to assign a static ipv6 address to a ubuntu vm running on VMWare. At the moment, I've got a single network adapter, a NAT. /etc/network/interfaces is configured like this (following this ...
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2answers
130 views

Forwarding a TeamSpeak instance

I’m trying to setup up a TeamSpeak3 server on my home network "net1.mydomain". It uses an IPv4 subnet of 10.0.0.0/8 in LAN; internet access using IPv4 is possible via CGN. This renders IPv4-only-...
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2answers
9k views

How can I use curl with ::1 for ipv6 based loopback?

I tried a few ways but they seem to be confusing curl. root@testt:~# curl localhost:8080 <h1>Hello world!</h1> <p>Boom Bam Splat</p> root@testt:~# curl ::1:8080 curl: (3) ...