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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I have IP conflicts and I can't host my server anymore [duplicate]

My father and I have the same IP address on my network. (I found this on cmyip.com) This makes it impossible for me to host servers (for instance minecraft or terraria) and I don't know the solution. ...
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1answer
486 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. ...
8
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4answers
3k views

I have IPv6. Why does my connection to the Windows Store fail?

I recently installed Windows 8, and I am unable to access the Store. I receive the error: We weren't able to connect to the Store. This might have happened because of a server problem or the ...
1
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1answer
716 views

OpenVPN 4in6 or 4over6 tunnel

My ISP sucks. It gives me an IPv6 Address and an IPv4 one, but IPv4 is down 50% of the time (I can't access any IPv4 Services every 10 minutes)... As I already have an OpenVPN Server set up, I asked ...
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1answer
506 views

How can I see if Windows is getting RADVD advertisements?

I'm troubleshooting my home network setup and am looking for a way to see if windows is receiving radvd advertisements on a certain interface because I believe that my router isn't sending on WLAN. ...
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1answer
228 views

Curl with ipv6 not working by default

I am trying to curl ipv6 adresses, but without success. If i try lets say: curl https://google.com I wait for a timeout and get network unreachable If i force ipv4, everything is fine. ...
2
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1answer
105 views

Getting Correct IPv6 Address from given prefix

On my windows xp machine, i have this information: IP Address: fcb1:cafe:1:9e33::2 Default Gateway: fcb1:cafe:1:9e33::1 It works fine, and i can ping the gateway. However now there is another ...
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3answers
474 views

ipv6 find all hosts in a prefix

Using the ping6 command you can find the link-local address of ipv6 hosts out of an interface using: ping6 -I eth0 ff02::1 This will ping everything in the subnet and so you can see what is out ...
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1answer
284 views

Is it possible that IPv4 format IP address is really on a (ipv6 format) DNSv6 server?

Is it possible that an IPv4 format IP address is based on a (IPv6 format) DNSv6 server? How would I determine this?
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2answers
99 views

How do I tell if my Macbook supports IPv6?

I want to know whether my Macbook can handle IPv6. How do I find that out?
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1answer
527 views

Setup IPv6 in IPv4 tunnel on DLink DIR-615

Recently I wanted to setup IPv6 for my home network. I signed up for tunnelbroker.net service and was provided with IPs. Then I configured the IP address in my DIR-615. But It's not working.. ...
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1answer
486 views

How to set up a IPv6 to IPv4 gateway for VPS [closed]

Condition IPv6 and IPv4 enabled VPS IPv6 and IPv4 enabled Client(Could be PC or Mac) Problem Client get restricted IPv4 connection whereas IPv6 connection is unlimited. Solution Client connects ...
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0answers
36 views

Set an ipv6-specific MTU

I have a router which has ipv6 connectivity through a tunneling mechanism. The router announces a prefix in the LAN, and clients get native ipv6 connectivity on their point of view. The MTU of the LAN ...
12
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1answer
25k views

How to force Java to use IPv4 instead IPv6?

My Java browser plug-in is no longer working. When I open a page that has a Java element, Java cannot connect to the server. After investigation, I found that Java was trying to use IPv6, while my ...
13
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2answers
4k views

How will home networks work in the IPv6 world?

Right now, I have a home network setup behind a Netgear router. That router has a public IP address I get from Comcast. I also have a computer setup on my home network running Linux that runs a DHCP ...
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3answers
12k views

How to connect a website has only IPv6 address without domain name?

If a server has only IPv6 address without domain name, how can I connect to server from my web-browser?
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3answers
1k views

Should I use a static IP address? If so what kind?

Last night I managed to get my local PC running as a server using port 80 and my IP address. After restarting my machine it stopped working. I was told I need to make a static IP address. My ...
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1answer
401 views

I get an IPv6 address from my ISP but can't use any IPv6 services

When I enable DHCPv6 with Prefix Delegation on my router, it gets an IPv6 address from my ISP (TWC) in this block, and my PC will get one automatically as well. When I try an IPv6 test site it fails ...
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1answer
310 views

Use IPv6 temporary address only with remote peers

I think this question concerns the interaction between the configurable Default Address Selection algorithm defined by RFC-3484 and the temporary addresses defined by RFC-4941, though the solution may ...
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1answer
544 views

Some sites extremely slow! How to determine if its IPv6? and disable it?

My internet is extremely slow on some sites, the famous ones. Google, Facebook, etc. But then, the very next minute, they are superfast. I got to know from somewhere that this is due to clogging and ...
14
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2answers
24k views

How to disable autoconfiguration on IPv6 in Linux?

How can I permanently disable autoconfiguration of IPv6 in Linux? When I try to manually delete an address from an interface with: ip -6 addr del 2001:0db8:85a3:0000:0000:8a2e:0370:7334/64 dev eth1 ...
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1answer
2k views

How do I install the Microsoft 6to4 Adapter?

I'm unable to see the 6to4/Teredo adapter anywhere in my Windows 7 installation. In my Device Manager, the only network adapters are my wireless Realtek card, and "TAP-Win32 Adapter OAS" which is for ...
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1answer
79 views

Is there any way to serve http from behind a typical home NAT/router (from inside a LAN)

I seem to remember reading that something in IPv6 could help with this. I thought I would ask here to see if per-to-peer http could be a possibility these days. I am familiar with hole-punching, but I ...
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1answer
180 views

What prevents my ISP from assigning me a dynamic IPv4 address and static IPv6 address(es)? [closed]

Till now I never heard of an Internet Service Provider anywhere on the world, that assigns static IPv6 addresses besides the one dynamic IPv4 address, to private customers. Is there a technical ...
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1answer
111 views

In tspc ipv6 tunnelling, does tunnel broker required for ipv4 to ipv4 communication?

I am new in embedded systems and trying to add support the ipv6 network availability in my new product but I have understood that, First of all, My system is connected to IPv4 ISP and I want to ...
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173 views

::1 vs 127.0.0.1 for iis local sites

I have a local site which is running at admin.mysite.com. I have set up the iis config to point to the correct folder. When i enter the following entry in my hosts folder 127.0.0.1 admin.mysite.com ...
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1answer
2k views

How to configure monowall to use TunnelBroker?

How do i configure monowall for IPv6 connectivity with Hurricane Electric's TunnelBroker.net IPv6 tunneling service? Note: i'll be answering the question myself; since this site is a wiki IPv6 ...
4
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1answer
234 views

How to block a program from using IPv4?

I have a program that can communicate over IPv4 (TCP and UDP) and over IPv6 (TCP and UDP). I want to block the program from being able to use IPv4. I tried the Windows Firewall: Except it blocks ...
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1answer
82 views

what does this ping listing mean — it does not have an IP address but some hex numbers

Something's screwy on our network at work, and I'm no longer able to reach a server where I'm developing a database application. I'm not the network admin, and he's out sick. When, from my ...
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1answer
301 views

Ping magically works on Windows 8

There's a remote machine named JUPITER, accessible through Win8 DirectAccess. Then just after IPCONFIG /FLUSHDNS, I observe the following: ping JUPITER works and pings to an IPV6 address. nslookup ...
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2answers
77 views

Ask for IPv6 address through IPv4

I am working on a project for discovering IPv6 host over the internet and I have a question. Is there any way that I can send a request to an IPv4 address and return me back their IPv6 address (if it ...
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1answer
508 views

what's IPv6 analogue for IPv4 `arp -an` and “arp who-has”?

In IPv4 world, when you want to talk to another computer, you ask which MAC address claims a given IPv4 address, the arp who-has ... tell ... exchange as per tcpdump, and a cache of such mappings from ...
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1answer
366 views

How to make a OpenVPN tunnel between home and server network with IPv6 support

I'm build a OpenVPN tunnel between my home network and my server. Here's my current scenario: Server (IPv4: 198.x.x.5) IPv6: 2001:xxx:xxx:xxx::abcd) <-----------> My ISP (CGN) ...
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3answers
441 views

Since IPv6 has larger addresses than IPv4, how will that affect performance?

IPv4 are 32 bit addresses, while IPv6 are 128 bit. It's 4 times larger, sure on a small scale maybe not a big difference, but on a world wide scale will it make a difference? Are their any messures ...
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2answers
502 views

IPv6 traffic shaping

With the second IPv6 Launch Day behind us, i'm stuck waiting for traffic shaping support on IPv6 before i can deploy it to our network. i currently use m0n0wall as a router with its IPv6 support, ...
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1answer
163 views

How to use remote IPv6 over ssh? [closed]

I have a cheap VPS with 1 IPv4 and 5 IPv6. I want to use 1 of the unused IPv6 connections on my computer so I can start using IPv6 Does anyone have any ideas? I would prefer an all OpenSSH based ...
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0answers
145 views

Forward IPsec tunnel from IPv4 endpoint to IPv6 endpoint

I have a new ISP and only have a Dual Stack - lite connection now. That means I can't access my router via IPv4 anymore, since the external IPv4 address is private. I have native IPv6 connectivity. ...
4
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1answer
5k views

How to use IPsec?

IPsec is a protocol suite built on top of IP. Originally designed with IPv6, it also exists in IPv4. IPsec enables encrypted communications between hosts at the IP level (that is, upper layers ...
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1answer
157 views

IPv6-connected FreeBSD server is not available via LAN

My Setup I have a FreeBSD server with the following output of uname -a: FreeBSD glacier 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 09:23:10 UTC 2012 ...
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0answers
38 views

No Internet Access for Metro Apps [duplicate]

I have a Laptop running Windows8 that is connected to the Internet via LAN. Because I do not have a WiFi router at the moment, I am sharing Internet over a hostednetwork (ICS enabled for the LAN ...
4
votes
1answer
179 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 ...
2
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2answers
2k views

How to get both IPv4 and IPv6 dynamic address

Running dhclient gets me an IPv4 address. Running dhclient -6 gets me an IPv6 address. And the man page says you can't combine v4 and v6. So how to get both v4 and v6 addresses at the same time?
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2answers
2k views

TCPDUMP: are these args consistent or meaningless together?

I'm using tcpdump on routing software, and trying to check whether the presence of ip/ip6 protocol with an ip6/ip host (i.e., the other IP family), or else specifying a mix of IPv4 and IPv6 IPs as ...
1
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1answer
305 views

Quality of service in IPV6 [closed]

IPv6 was developed to solve some of the problems of IPv4, such as QoS. We know in IPV4 based on TOS values, a packet would be placed in a prioritized outgoing queue,or take a route with appropriate ...
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2answers
125 views

How to Get the size of IPv6 header? [closed]

I know there is IHL field in IPV4 which is Internet Header Length.Since an IPv4 header may contain a variable number of options, this field specifies the size of the header. But there is no IHL or ...
3
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1answer
535 views

ignore ipv6 router advertisements for static addresses with bonded interfaces

I need to attribute static IPv6 addresses (not use autoconfigured addresses, and ignore router advertisements). This can be done as follows for a standard interface like eth0 iface eth0 inet6 static ...
0
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1answer
191 views

netsvc (dnscache,wecsvc,tapisvc,nlasvc,cryptsvc) sending stream to address 808:808::3821:ae83:100:20

i have win 8 installed on my computer, using pppoe connection with ipv6 disabled. but when i check on "resmon" i saw there is netsvc sending stream to 808:808::3821:ae83:100:20 address. i try to ...
0
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1answer
406 views

Why is UDP traceroute not working for IPv6?

I have just gotten dual stack support on my CMTS and enabled IPv6 on my router. I have debian installed on my PC, and I am noticing the default traceroute (uses UDP on linux) is only making it to my ...
2
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1answer
3k views

wireshark: how to capture traffic between guest and host OS?

I'm trying to set up a lab to demonstrate ipv6 attack and detection mechanism on my Macbook. This is my set up with virtualbox: Host OS: OS X 10.8.2 IPv6 automatically, wireless connection Geust OS: ...
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0answers
135 views

Why is “localhost” slower than “127.0.0.1” in Google Chrome - Windows 8? [duplicate]

There is a very similar previous question and answer, but for windows 7 and/or earlier versions of Google Chrome, here: Is there a way to disable IPv6 in Google's Chrome? That solution no ...