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 switch off IPv6 ND RA transmissions in Linux?

I am working on Ubuntu 11.04. I want to switch off the IPv6 ND RA transmissions. How can I do this?
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How can I access an IPv6-only host from a Windows 7 computer behind an IPv4-NAT?

I have a computer with Windows 7. It's connected to Internet via an IPv4 NAT router. How can I access a host that is only accessible with IPv6? Is there an easy way to configure the Windows 7 Teredo ...
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MTU is 1500, why the first fragment length is 1496 in IPv6?

ping6 ipv6Address -s 1500 This command will result a fragment. Observed by wireshark, the 1st fragment packet's length is 1496 (from layer 3). Since the MTU is 1500, I am confused by this 1496 ...
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Which Linux-based firewall supports IPv6?

Out of the box neither IPCop nor ipfire support IPv6, not even on the green interface (internal LAN). How do I add IPv6 support to one of them? If that's not possible, is there a linux-based embedded ...
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Do modems affect IPv6ness?

I have a 11year old modem. However from my knowledge it isn't giving me problems. I ran an ipv6 test I got "10/10" for for your IPv4 stability and readiness and 0/10 for IPv6. I then tried running it ...
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How do I properly access Google through IPV6?

I'm trying to access Google through IPv6. However, it seems to want to send me back to IPv4! I did a DNS lookup on IPv6.google.com at http://centralops.net/co/ and found their IP, then tried this... ...
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Configure IP v6 on Linux machine

I use this command to assign a site-scope IP address: $ sudo ifconfig eth0 inet6 add fee3::216:cbff:fe94:1a86/64 $ Check it with ifconfig: $ ifconfig ... eth0 Link encap:Ethernet HWaddr ...
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How to configure the IPv6 address on Mac OS X 10.6?

I have automatically configured IPv6 address on my Mac OS X 10.6: $ ifconfig ... en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether 00:16:cb:94:1a:79 inet6 ...
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Can we disable IPV4 and use purely IPV6 on Windows XP/2003?

Is there any way we can use purely IPV6 on Windows XP or Server 2003. I know an IPV4/IPV6 dual stack exists in Windows XP, I just wanted to test whether only IPV6 can be used on XP. It is possible in ...
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Is an RDNSS or DHCPv6 server allowed to distribute a link-local IP address as DNS server?

And if so, how is this supposed to work? Is the client supposed to attach the interface identifier himself, based on the interface the assignment came through?
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DD-WRT with native IPv6

My ISP provides native IPv6 support (ie. I can plug in my computer straight into the WAN and get an IPv6 address). However I can not get this working on DD-WRT. When I enable IPv6 and radvd in ...
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Unable to close SSHD on IPv6 TCP port

I'm running Ubuntu 10.4 and I've tried disabling IPv6 as I don't currently need it. I rand the following to disable IPv6 and then rebooted my server: echo "#disable ipv6" | sudo tee -a ...
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Can't ping another Teredo client behind the same NAT

I have 2 computers that are about as similiar as they can be Both run Fedora Linux 15 x64 Both are behind the same IPv4 only NAT (my house) Both run Miredo (Teredo Tunneling) and have unique ...
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1answer
431 views

Using router public IP to access another (located in WAN) router behind NAT

I have following setup: at home I have a router up and running with public ipv4 ip at my country house I have ipv4 cam and router which is behind NAT - no public ip (public ip is too expensive) both ...
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Without NAT on IPv6, and only one DNS name, how do i talk to my servers?

Right now we own one domain name (e.g. superfault.com). From the internet i can connect to a variety of networked devices using that single DNS name: superfault.com ...
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1answer
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Connect to a virtual machine via IPv6

On my Ubuntu 11.04 host I've installed VirtualBox with a OpenSuse 11.4 client. After installing Apache2 in the VM I was not able to connect via IPv6 (with Firefox) to the installed HTTP-server. In the ...
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1answer
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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 ...
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How to setup pfSense 2.0 for TunnelBroker.net?

What is the procedure to create an IPv6 tunnel in pfSense 2.0? pfSense 2.0 (RC3) supports creation of a GIF tunnels: The help is pretty generic, and pretty unhelpful: In pfSense 2.0, GIF ...
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What protocol is Window's v6v4tunnel implementing?

Microsoft Windows allows the creation of an "IPv6-in-IPv4 point-to-point tunnel": >netsh interface ipv6 add v6v4tunnel "My Tunnel" 192.168.1.13 209.51.181.2 My question is: what protocol is ...
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Windows 7 64bit, great signal strength IPv4 & IPv6 can't connect

For some reason I can't connect to the internet with my wireless card (internal) on my PC, I am connected just fine on my laptop. It says my signal strength is good but both my IPv4 and IPv6 can't ...
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How to configure Windows to use an IPv6 connection?

"Looking towards IPv6": ...we're pleased to let you know that Google search is also available over IPv6 at ipv6.google.com (you'll need an IPv6 connection to view it). I tried visiting ...
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1answer
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IPv6 Tunnel via Own Linux (IPv6-connected) Server

Unfortunately, there's a lot of IPv6 tunnel brokers, and their documentation often clutters the search results for how to setup your own IPv6 tunnel. I have a Linux server with IPv6 connectivity. I ...
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When will the LIR's run out of the IPv4 addresses? [closed]

"The Asia Pacific Network Information Centre, the RIR responsible for assigning IP addresses to the region, announced the release of its last available batch of IPv4 addresses on 15 April." ...
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341 views

Issue about mapping MAC address to Ipv6 address

I know that the address in ipv6 with prefix range 001 to 111 should use a 64-bit interface identifier that follows the EUI-64 format, which translates the MAC to ipv6 as below. MAC:00-02-b3-1e-83-29 ...
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Ubuntu IPV6 support

I have a HSPA broadband modem that supports IPV6. Can I use Ubuntu Network Manager to connect using this modem with IPV6.
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What is Hurricane Electric's IPv6-enabled DNS server?

Hurricane Electric has IPv6-enabled DNS servers for use with their tunnelbroker. What are the addresses for these servers?
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1answer
159 views

IPv6: One address from MAC and one from Privacy Extensions?

how can I archieve the following: I have a linux system behind a gateway. I want to have two IPv6 addresses. For both, the first part should come from the router (as usual). The preferred address for ...
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How does IPv6 source address selection work in Linux?

How does Linux choose which of possibly many IPv6 source addresses to use when connecting to another site? I am opening connections to 6to4 and non-6to4 sites from a host configured with both a 6to4 ...
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2answers
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How to get dynamic dns entry for ipv6-only host?

The host is behind NAT and uses Teredo to get globally routable. How to make it easily-reachable? For IPv4 case we just use no-ip or dyndns, however for ipv6 I don't see AAAA replies from dyndns's ...
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How will IPv6 impact everyday users? (World IPv6 Day)

With the current (one hour in at the moment) trial by all the big boys (Google, Facebook, Bing, Yahoo, etc.) I wondered how IPv6 will effect home users and the Internet as a whole. Will the change ...
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mrtg errors after upgrading to Debian Squeeze

Since upgrading from Debian Lenny to Squeeze, I've had the following problem with mrtg: root@turtle:~# env LANG=C /usr/bin/mrtg Constant subroutine SNMP_Session::AF_INET6 redefined at ...
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No AAAA responses from Google DNS

I just set up a HE tunnel on my Windows 7 PC, and while i can browse to http://[2a01:3f0:0:a::186]/ i cannot browse to http://ipv6only.bredbandskollen.se which is their FQDN. Also, the speedtest flash ...
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How do I know if a router can handle multiple static IPs?

How do I know if a router can handle multiple static IPs? Is there a protocol or something I should look out for? Also - how important is it that my router can support IPv6?
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SSH over IPv6 got “Permission denied” error

I have a server that I can connect via SSH over IPv4 address. Now I want to SSH over IPv6. I'm sure that my server is assigned with a valid IPv6 address, and I've configured sshd to listen on v6 ...
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1answer
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Enabling IPv6 support on a Linksys WRT400N router

I chatted with a Linksys support person and they said that the WRT400N doesn't have any facility for enabling IPv6. If I were to use an alternate firmware on the router, would IPv6 become available ...
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1answer
313 views

Multiple fixed IPv6 in MacOS

How to configure several IPv6 addresses from the MacOS System Preferences application? The network is auto-configured, but I would like to also have some fixed address without using DHCPv6. Actually ...
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Configuring IPv6 automatically and IPv4 statically

I've got a Ubuntu Linux box that has two IPv4 addresses and an IPv6 address. This is my current /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 eth0:0 iface eth0 inet static ...
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How can I use my server's IPv6 connection from my computer's IPv4?

I have a server that has IPv6 and IPv4 support. I would like to use this to allow my desktop, which has an IPv4-only connection, to connect to other servers via IPv6. What type of software is ...
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1answer
409 views

Browsing googlev6.com using IPv4-only ISP

If I run IPv6 with tunnelling on my PC, and I connect to the Net through an IPv4-only ISP, can I browse an IPv6-only site like googlev6.com? And how?
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What's a good IPv6 tutorial? [closed]

How do I get started on IPv6? There are many urban myths about IPv6 (today, I heard that enterprises don't like IPv6 because they can't control their BLOCKS like they do today with IPv4). Is there a ...
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Should I get a gigabit router with or without ipv6 support? [closed]

I'm in the process of getting a gigabit router so i can transfer files faster to and from my Lacie Network Space. I found a gigabit Router. Its performance is really good, however it doesnt support ...
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Should I get a router with ipv6 support?

I'm in the process of getting a new gigabit router so I can transfer files faster to and from my Lacie Network Space. I found Asus RT-N56U Wireless N Dual Band Gigabit Router. Its performance is ...
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3answers
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How can I get Firefox/Chrome to reach IPv6 websites?

I have been experimenting with IPv6 using a Windows7 client with the default Teredo IPv6 tunnel enabled. I can reach IPv6 hosts (ipv6.google.com & www.v6.facebook.com) successfully using PING ...
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How to reach a Global Scope IPv6 host?

I have setup DNS64+NAT64 on a machine with 2 interfaces: eth0: public IPv4 address (connected to outside world) eth1: global scope IPv6 address: 2001::/64 I can successfully use ping6 google.com on ...
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Dual Stack Routers for home use? [closed]

I'm in the market for a new network appliance router that either has the following features, or can be modded to have the following features: Dual Stack (ipv4, ipv6) On-Board Configurable DNS Server ...
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Set up tunnel to HE.net and now only ipv6.google.com works, but other sites ping fine

I'm setting up IPv6 using my router which is running OpenWRT, version Backfire 10.03.1-rc4. I made a tunnel using Hurricane Electric's tunnel broker and set it up on the router and I'm using RADVD to ...
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1answer
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How to know if your browser is connected to the Ipv4 or Ipv6 address of a website?

Is it possible to know if a browser (Internet Explorer/Google Chrome in Windows 7 SP1) is using the IPv4 or IPv6 address of a website? What I'm looking for is for some kind of visual feedback without ...
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Does IPV6 matter when choosing a new switch for home network?

Looking to upgrade my Fast Ethernet home network switch to a Gigabit Ethernet switch. Figured I should make sure that the new device supports IPV6, but in looking at the specs of a few switches, I ...
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IPv6 - Public IPs, private IPs, IPs derived from the MAC address? Confused!

I'm pretty much excited for IPv6 because of the large address room and (potential?) owning of more than one IP, or even tens of IPs (/122 subnet?) Though one magazine has now confused me. In a ...
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Can't get IPv6 address using radvd on wireless interface on windows, wired works fine

I set up my router to use OpenWRT and set it up to use IPv6 using a tunnel form SixXs. I'm having problems with stateless autoconfiguration using radvd. On my computer, wired connection can get its ...