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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97
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2answers
18k views

How to avoid exposing my MAC address when using IPv6?

On my Macs, each IPv6 address includes the MAC address of a specific computer (not of my router). Sites such as ipv6-test.com not only show it, but even tell me it belongs to an Apple computer. This ...
12
votes
6answers
70k views

Why do I get “General Failure” when pinging host name on a Win 7 node on the network?

This is a very peculiar problem with a station on our network. The client pc is running Windows 7 Pro. What makes this problem interesting is that this client is the only node on the network that ...
30
votes
7answers
31k views

Is there any benefit to using IPv6 on my home network?

I know that IPv6 is the future because there is only 4 billion IPv4 address, but on a home network, you are not going to have 4 billion users. So are there any other benefits that would make IPv6 on a ...
14
votes
2answers
22k 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 ...
39
votes
2answers
15k views

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 ...
20
votes
8answers
30k views

Is IPv6 'faster' than IPv4?

Are there any practical speed/latency gains from using IPv6, or is it just to make more room in the wild wild web?
14
votes
3answers
17k views

Is there a way to disable IPv6 in Google's Chrome?

I'm developing websites in a Windows 7 machine. When I've installed Firefox I've found some performance issue specially on connecting to the localhost, googling around I've discovered that it's ...
9
votes
2answers
2k views

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 ...
8
votes
2answers
2k views

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 ...
2
votes
1answer
292 views

Can't get an IPV6 ip address with any 802.11g adaptor

I've recently been going dual stack with IPV4 and IPV6 where possible since my isp supports ipv6rd, as does my router - an Asus RT-N56U on firmware 3.0.0.4.374_979 (which is the latest at the time I ...
1
vote
2answers
7k views

How to disable ipv6 in Linux Mint

Note: ip a | grep inet6 inet6 ::1/128 scope host inet6 fe80::21c:bfff:fe76:32ec/64 scope link lsb_release -a Distributor ID: LinuxMint Description: Linux Mint 7 Gloria - Main Edition Release: ...
0
votes
0answers
181 views

Ipv6 6in4 forwarding

I successfully setup 6in4 ipv6 tunnel to enable ipv6 connectivity at home using a remote linux box with a /64. The connectivity works well between the two host, but not with internet. Here is my ...
11
votes
3answers
17k views

IPv4 vs IPv6 priority in Windows 7

I have IPv6 connectivity through Hurricane Electric tunnel. Since IPv6 day this year, many services (google.com, facebook.com, etc.) enabled IPv6 on their main domains. On my Windows machine, IPv6 is ...
14
votes
7answers
11k views

What interesting uses for IPv6 are out there? [closed]

IPv6 is reasonably easy to setup these days via 6to4 tunneling, but once done, what does one do with it? What interesting services are out there already using IPv6 or providing exclusive features over ...
15
votes
3answers
13k views

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 ...
10
votes
2answers
27k views

how to ssh to a ipv6 ubuntu in a LAN?

I'm able to ping my Ubuntu box via command: (where c2h2ttt is listed in /etc/hosts) c2h2@c2h2crawler:~/ttt$ ping6 -I eth1 c2h2ttt PING c2h2ttt(c2h2ttt) from fe80::21b:21ff:fe22:e865 eth1: 56 data ...
14
votes
3answers
22k views

What is the relevance of “fe80::1%lo0 localhost” in /etc/hosts?

Following are the entries in my /etc/hosts. I was wondering what is the last entry (fe80::1%lo0 localhost) for. 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost ...
13
votes
2answers
3k 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 ...
2
votes
2answers
2k views

Routing IPv6 traffic through Debian pptpd into Hurricane Electric's IPv6 tunnel

I have set up a tunnel using Hurricane Electric's services on a Debian machine. It seems to work alright; I can ping6 ipv6.google.com and open it in links. I've also set up a PPTP daemon on the ...
5
votes
3answers
1k views

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 ...
1
vote
3answers
4k views

Dynamic DNS at freedns.afraid.org using a Fritz!Box

I am having some trouble setting up Dynamic DNS with my Fritz!Box 7360. I have set up the Dynamic DNS page with (this is translated from German, so might be worded a bit differently): [x] Use ...
9
votes
3answers
874 views

What do the numbers used in a IPV6 address mean?

I am trying to understand IPV6. I have a server with the following IPV6 address: 2607:f750:0:3f::f59. I don't understand what the numbers mean. It looks totally different from an IPV4 address. ...
6
votes
4answers
12k views

How do debug DNS name resolution? (nslookup works, but telnet doesn't)

I'm trying to connect to a website: http://superuser.com.sixxs.org i can ping the address: C:\Users\Ian>ping /6 superuser.com.sixxs.org Pinging ipv6.nginx.sixxs.net [2001:838:2:1::30:67] with ...
5
votes
3answers
830 views

What happens when all IP addresses run out?

I recently read an article in which they wrote that that there will be a time when there will be no more IP addresses available. Is that right? Do I need to register a website now just in case?
3
votes
2answers
19k views

How to disable IPv6 on Debian Wheezy?

I know there's a wiki entry http://wiki.debian.org/DebianIPv6#How_to_turn_off_IPv6 that shows how to disable IPv6 in Debian Squeeze, but that's a 2.6.* kernel. What about 3.2.* kernels running ...
3
votes
1answer
359 views

Will the removal of NAT (with the use of IPv6) be bad for consumers? [duplicate]

Possible Duplicate: How will IPv6 impact everyday users? (World IPv6 Day) As I understand when we have finally made the switch to IPv6 not only will NAT be unnecessary but it is ...
2
votes
1answer
434 views

disable IPv6 autoconf (MAC-based) IPv6 address without disabling privacy addresses?

Is it possible to configure the Linux kernel to automatically get the RFC4941 temporary (privacy) IPv6 addresses without getting the RFC4862 public (MAC-based) IPv6 address? With the following sysctl ...
2
votes
2answers
241 views

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 ...
1
vote
0answers
133 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 ...
1
vote
1answer
2k views

6to4 vs ISATAP vs Teredo Adapters

I understand that all three adapters mentioned in the title are related to transitioning IPv4 to IPv6. ISATAP: Transmits IPv6 packets between dual-stack nodes on top of an IPv4 network. Teredo: IPv6 ...
0
votes
1answer
120 views

Resetting gone wrong

I have reset my linksys router, and now my internet is horribly slow. please check details from command prompt below and tell me what's wrong. Thanks. Microsoft Windows [Version 6.1.7601] ...
6
votes
2answers
5k views

How do client applications know to use IPv4 or IPv6?

How do servers/computers/users/applications know to request a resource over the Internet with an IPv6 address vs. and IPv4 address?
4
votes
1answer
521 views

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 ...
2
votes
1answer
714 views

NDP entries on linux

Just as we have /proc/net/arp holding ARP entries in Linux, what is the file that holds the Neighbor Discovery Protocol (NDP) entries? I searched for it on the Linux box running IPv6, but to no avail. ...
2
votes
1answer
460 views

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 ...
2
votes
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 ...
2
votes
3answers
518 views

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 ...
2
votes
4answers
6k views

Ping myself, works with ipv6 not ipv4 in Windows 7

I've tried to solve the following problem with no luck and I need some proffesional help. The following is possible: Ping all computers (that I tried) in the domain without problem. Ping myself ...
2
votes
1answer
477 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. ...
2
votes
1answer
712 views

Is it safe to use the miredo-client?

This is how I can surf websites behind IPv6 networks under Fedora 14 before: ping6 ipv6.google.com connect: Network is unreachable solution: with root just: yum install -y miredo-client sed -i ...
2
votes
1answer
4k views

Windows 7 RTM: Loopback SMB over TCP/IPv6 connection preventing sleep mode

I'm running Windows 7 RTM with homegroup, network discovery, file and printer sharing, public folder, media streaming and Windows Media Player Network Sharing Service all turned off, but the computer ...
1
vote
2answers
522 views

IPv6 tunnel from behind an ISP-level NAT

Previously, at a different location, I set up a Hurricane Electric IPv6 tunnel, which worked fine, allowed me to access IPv6 only sites and test the native IPv6 connections on my remote servers. ...
1
vote
2answers
9k views

Pinging own machine returns an IPv6 address instead of IPv4

When I ping my own machine I get an IPv6 address: Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms I used to get the IPv4 address (eg. ...
1
vote
2answers
913 views

How to port-forward IPv6 in m0n0wall?

How do i port-forward IPv6 packets in m0n0wall? For example i want to forward traffic arriving on port 443 of my router to another IPv6 address: Interface: WAN Protocol: TCP External port range: ...
1
vote
1answer
5k views

Accessing non-port80 web server using IPv6

In a normal IPv4 network, I can go into any browser such as Firefox and browse a server on a IPv4 address not hosted on port 80: http://192.168.42.6:8080/ This accesses the server on port 8080 on ...
-2
votes
2answers
48 views

My router has only IPv6 and I need to host websites

I have never dealt with IPv6. Today I got my internet installed from an internet company and they brought the router. When I accessed the router to see its public ip address, I found that there is ...