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 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 ...
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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 ●...
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2answers
95 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 ...
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3answers
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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
80 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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143 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
3k 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 ...
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1answer
58 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
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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 ...
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3answers
78 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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20 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 ...
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1answer
333 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
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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 ...
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0answers
42 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
75 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
12 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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23 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
23 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 ...
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14 views

I can't set ipv6 address, because the object is already exist

netsh interface ipv6 set address "Ethernet" my ipv6 address When I tried to set ipv6 address on a interface "Local Area Connection", it just added on this interface, but I wanted to modify address. ...
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0answers
26 views

Should I really add `127.0.0.1` to proxy WPAD autoconfig?

Recently I met a strange problem with Java applications were not able to connect to itself. After digging I found, that the root cause was that opening the URL of http://127.0.0.1 was leading to the ...
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2answers
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How to enable IPv6 in OpenWRT 15.05?

My university provides native IPv6 support in campus network, and I want to let devices (running Linux) in my TL-WR720N router's LAN have IPv6 access. After many trials, I can make LAN devices able ...
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1answer
3k views

What other protocols can run over the Link Layer besides IP protocol?

I am reading about ARP here and it says "Each protocol is assigned a number used in this field. IPv4 is 2048 (0x0800 in Hexa)." What are other alternatives to IPv4 and IPv6 as protocols to be run ...
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1k views

Unable to connect to WiFi via NetworkManager sometimes(!)

I have an issue which occurs only in Arch + Xfce + NetworkManager. It doesn't occur in Arch + Gnome + NetworkManager or in Ubuntu or Arch + Xfce + wicd on my machine if I'm not missing something. ...
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74 views

ssh_exchange_identification: connection closed by remote host - not caused by public keys or DNS

I have been using this ssh-setup for months, but yesterday it stopped working for whatever reason. It would be great if any of you had an idea how to fix it. Setup: MyComputer(Ubuntu) > Machine1 > ...
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How to get the IPV6 IP address of Linux machine?

I want to get IPV6 address on my linux box. I know one command to get the IPV6 address. Command: $ ip addr show dev eth0 | sed -e's/^.*inet6 \([^ ]*\)\/.*$/\1/;t;d' Output: 2001:410:0:39:221:28ff:...
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1answer
28 views

dynamically distribute gateway

Here is picture of very simplified network: Linux is running on all of PCs. PC10 act like router = default gateway for net 1 and net2. Everywhere is IPv6 protocol. All PCs must have static IPv6 ...
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28 views

can connect to ipv6 access point, but not communicate with devices

I am attempting to run a local ipv6 network and have gone through a number of tutorials, but with limited success. I'm running a server on the router/access point and it is the only device I need to ...
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0answers
10 views

Limit Windows router advertisement/forwarding to VirtualBox

I enabled IPv6-networking via IPv6-tunnel from Hurricane Electric. The tunnel endpoint is a Windows 10 machine with a public static IPv4 (no NAT! public routable IPv4! No DHCPv4!). I am running a ...
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13 views

Does linux support the update of IPv6 NUD state machine ?

I am studying the rules of IPv6 Neighbor Unreachability Detection. And rfc7048 updates the state machine of NUD. However, I found most of linux releases do not support this update. I want to find ...
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69 views

How does IPv6 affect throughput?

In order to upgrade throughput, somebody advised me to work on IPv6. How does it affect throughput?
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44 views

How to get a network of different IP addresses on IPv6?

Does anyone know if it is possible to get a network of different IP addresses on IPv6 (not sure if they have it in my area?). What I'm thinking is maybe I could have a little network like at work now ...
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1answer
55 views

BitTorrent daemon with IPv6 web interface? [closed]

I'm looking for a BitTorrent daemon (for Debian) that has a webinterface which can be accessed via IPv6. Transmission and Deluge come to mind, but both of them seem to lack IPv6 support in the ...
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1answer
53 views

Can't access some websites using IPv6 tunnel from LAN

My router (running Ubuntu Linux) is dual-stack, dual ethernet. The router's WAN interface is configured with IPv4 PPPoE to my ISP. Hurricane Electric gives me an IPv6 tunnel which is working on the ...
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133 views

Use native IPv6 with WRT160NL router and DD-WRT

I currently own a Linksys WRT160NL router with DD-WRT v3.0-r29134 std (02/19/16) installed on it. My ISP (French) is Free, and the modem it provides (the Freebox) supports the IPv6 natively. I can ...
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1answer
193 views

Translating IPv6 packets to IPv4 packets to reach a game server

I am behind a DS-Lite system and therefore have no native IPv4 address. But out of curiosity, I want to find out, if it is possible to set up a game server behind that. More precise, a counter-strike ...
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2answers
181 views

Block (nullroute?) an IPv6 hostname using /etc/hosts

I'm trying to prevent my web browser from communicating with certain hosts (mostly ads and tracking). I have a list of such hosts in my /etc/hosts file. For IPv4 I can do: 255.255.255.255 example....
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1answer
2k 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
30 views

Reject routes for IPv6Tunnel in Windows 10

I am currently using Hurricane Electric's IPv6-Tunnel for IPv6-connectivity from my office computer (IT staff approved!). Now I realized that HE.net has a peering dispute with Cogent. So all IPv6-...
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1answer
437 views

What's better RADVD or DHCPv6 for local network with IPv6?

today I got a new router and now I want to enable IPv6 on my network. But the thing is I don't know what the better option is since TP-Link gives me two ways to get IPv6 on my network. The first ...
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61 views

Windows 10 - Homegroup Problems

Just upgraded to Windows 10 and trying to setup a home file sharing network. When I go through the process, I get a message that I must have IPv6 enabled. I'm instructed to run HomeGroup ...
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1answer
899 views

Why does Windows 7 override IPv6 interface flags?

I'm setting up a basic IPv6 network and when I was configuring one client I observed that after some time the OS enables "managed address configuration" and "other stateful configuration" when "router ...
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2answers
78 views

Would NAT be eliminated transformed in ipv6?

NAT is a wonderful concept used in ipv4. It is the major reason for the existence on internet, in my concerns. There are no networks in the world that doesn't work without employing NAT. All I seek ...
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3answers
3k views

I have both IPv4 and IPv6 public addresses. Why?

For my home network, my public IP address shows through some websites as an IPv4 and others as an IPv6 address. I have read this thread and understand that it is possible for my ISP to have assigned ...
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1answer
41 views

How can I fix my internet connection when “ my computer appears to be correctly configured”

I am new to this website, I don't know if my question is an off topic question, or even if this is the suitable place to ask. Please tell me if I am in the wrong place. Since some days I ma facing ...
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1answer
116 views

Using IPv6 link-local addresses to ping between VMs in internal VirtualBox network

I'd like to test this network configuration in fully virtualized enviroment, while I don't have access to physical lab. I am using 2 VM Guest machines (Guest OS is Archlinux), each configured with ...
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2answers
202 views

Unable to connect to one particular FTP server

I am unable to connect to a particular FTP server at Fasthosts over my usual ISP connection, using any of Filezilla, Notepad++ or WinSCP FTP clients on either my PC or my laptop. However, I CAN ...
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1answer
45 views

Giving each domain unique IPV6 address for posfix SMTP

Today I faced a problem after setting up postfix as my mailserver and sending e-mail to a gmail email, which responded me with the following message: Our system has detected that this ...
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1answer
523 views

Bluetooth 6LoWPAN connection between two Raspberry Pis

I had this question on Stack Overflow, but it was suggested that I migrate over here. It was flagged for moderator attention but I am unsure how that process works and I did not receive any feedback ...
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2answers
113 views

How to bypass simple ISP block?

Background: My ISP (under the influence of our precious government) recently started blocking public web-sites for no particular reason. Problem: My guess is that ISP is using DPI to rule out which ...