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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Is there a way to test alternate IPv4 routes?

i am using Hurricane Electric's Tunnel Broker service to get IPv6 connectivity. TunnelBroker lets you have access to the IPv6 Internet by using a standard IPv6 tunneling protocol. You send IPv6 ...
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1answer
198 views

Why do I need a managed switch and which one should I buy?

I bought a 2nd router and I want both routers to have direct WAN access to the modem. One of the 2 routers directs VOIP traffic to a telephone line port. This VOIP service is provided by the cable ...
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1answer
136 views

Connect to a ipv4 site with ipv6

Is there a way to connect to a ipv4 website using an ipv6 proxy? cause I have vps that only has ipv6 so I want to setup a proxy server using ipv6 only but want to connect to ipv4 websites
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3answers
719 views

IPv6 and IPSec - why do I need an external daemon?

I read that IPSec is mandatory for IPv6 implementations. Does this mean that it should be handled by the OS and that IPSec configuration should be mandatory for IPv6 to work? If so, why is this not ...
0
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2answers
94 views

Separate the multiple ipv6 addresses

I have a vps that comes with 16 ipv6. I used one of the addresses and I tried testing the proxy at http://ipv6-test.com/ but it detected that is using the first ipv6 adddress instead of the certain ...
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1answer
842 views

How do I access IPV6 from IPV4?

I have been searching for a long time ipv4 to ipv6 proxy program but i nothing found... Currently i have IPv4 address however i would like to try IPv6 address. Is there a simple solution for IPV6 ...
2
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1answer
365 views

Prefer IPv6 over IPv4 in Windows Server 2003

I am running Windows server 2003 and my Firefox browser keeps using IPv4 instead of IPv6. Well at least http://ipv6-test.com/ says that my browser uses IPv4. How can I force it to prefer IPv6 over ...
0
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1answer
893 views

Why do I have so many IPv6 (inet6) addresses?

If I run ifconfig on my Linux (Ubuntu) server, I get the following output: eth0 Link encap:Ethernet HWaddr d0:27:88:0f:80:74 inet addr:10.1.0.11 Bcast:10.255.255.255 Mask:255.0.0.0 ...
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0answers
404 views

Windows doesn't respond to IPv6 multicast ping

I'm trying to do a IPv6 multi-cast ping from Linux and I can't get a response from my windows host. ping6 -I eth1 ff02::1 Will find all my Linux and iOS devices but not my Windows hosts. I can find ...
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2answers
203 views

IPv6 LAN Clients IPV6 Address List

I am only using 'radvd'[Stateles Addres Configuration] server to advertise the prefix for LAN clients. LAN clients are formaing global ipv6 address based on advertised prefix. I need to display the ...
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1answer
70 views

IPv6 Address Formatting and Lookup

I'm seeing an IPv6 address that ends in :f68. Is shorthand for :0f68 or :f680? I'm trying to do a lookup on it and for some reason doesn't like the 3 digit segment. Thanks!
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1answer
255 views

Can I prioritize IPv6 traffic over IPv4 traffic on Linux?

Is there a way I can give traffic over IPv6 a higher priority than traffic over IPv4? Purpose is 2-fold: Promote IPv6, and be able to connect even when my server is swamped by IPv4 users.
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3answers
1k views

How to configure a large mtu (linux)

I have a gigabit ethernet connection from my laptop to my router, and a working ipv6 connection to the internet. I can receive very large packets from sites on the internet, with sizes up to at least ...
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0answers
325 views

How to check if protocol 41 (6to4) is filtered by ISP without changing the network configuration?

Obvious way (just setting up 6to4 tunnel and pinging) fails because ip command seems to be read-only on my VPS: can't change any networking-related settings. So I try using raw sockets: ...
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1answer
519 views

How to configure IPv6 routing from other computers to Teredo client in Linux

My computer (also router) uses Teredo to access and be visible on IPv6. How to assign neighbor IPv6 addresses to other computers for them to be able to be routed to Teredo using the router? What ...
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0answers
112 views

How to redirect local connection to my things in IPv6 on linux?

With IPv4 I can make some program connect to my service instead of where it wants using REDIRECT and DNAT targets in OUTPUT chain in iptables (sometimes combined with -m owner) In IPv6 hovewer I ...
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1answer
1k views

ifconfig ignores alias on IPv6

When I add an IPv4 address for the interface eth0:0 with ifconfig, it is created correctly: ifconfig eth0:0 add 192.168.10.10 This can be verified by ifconfig or "ip a". When I add an IPv6 address ...
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4answers
144 views

IPv6 and its various incarnations

Is there a way already in place to make use of IPv6 as a routable protocol? Is it possible to buy private IP addresses for IPv6 yet and if so who sells them? Would there be any performance advantage ...
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1answer
84 views

What protocols will/are ISPs use for IPv6 deployment?

Currently ISPs deal out addresses via DHCP for IPv4 dynamic (single) addresses. What protocol will/are ISPs going to use for IPv6 when they can hand a customer an entire /64 (or /48 if they are nice) ...
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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 ...
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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?
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3answers
3k views

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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1answer
89 views

Why can I not (re-)install IPv6 on Windows XP Home laptop?

Years ago for some unknown/mistaken reason I uninstalled IPv6 on one of my XP laptops. I have not been able to reinstall IPv6 - neither via the commandline nor the GUI. The error message is: ...
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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 ...
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1answer
3k views

How to add multiple IPv6 address for single host in /etc/hosts?

I want that a name should be resolved with multiple IPv6 addresses. I don't have access to a DNS server and I don't want to run a demon for that purpose. I want to add the entry in /etc/hosts and it ...
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0answers
392 views

How do I get Tomato to use IPv6

My ISP provides native IPv6 and it works great when I connect directly with my macbook to the ethernet port. I get a ipv6 assigned and all IPv6-only sites works great. But when connecting through my ...
2
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1answer
300 views

Relation of IPSec and IPv6 to SSL/TLS

My understanding is that IPSec is a security layer added inside the IP protocol to make IP itself a secure transport. My understanding of IPv6 is that it is the newest version of IP that will (for ...
0
votes
1answer
731 views

Deny ping response in ipv6

I would like to know how to deny ping replies on my ipv6 address. We have been messing around with ping flooding on ipv6 at work, and the usual way to block icmp requests does not work. I have tried ...
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1answer
2k views

Why is IPv6 ping failing to access google.com?

I have found that ping google.com from my Windows 7 box has stopped working. Below is the output - note that the IPv4 ping works, and Yahoo works. Is my local router at fault here? ...
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1answer
331 views

linux route command not working

I use route command to add new route in my routing table. But it my new root is not added. Also it doesn't show any error for my command. Here is the console #route add ::/0 via fe::2 route: ...
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2answers
194 views

Dynamic allocation of IPv6 site local addresses

I am interested in hosting multiple services on a single host. Each service (which will all be HTTP for the sake of example) currently uses a private IPv4 address and different ports (e.g. there ...
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547 views

Is there a way to enable/disable IPv6 without restarting Chrome?

chrome://net-internals/dns#dns has a button which allows us to enable IPv6 for Host resolver: This is how it looks like after clicking Enable IPv6: How do I revert to the previous state without ...
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1answer
630 views

Do all IPv4-compatible IPv6 devices have two IPv6 addresses?

Is it possible for an IPv4-compatible IPv6 device to have only one IPv6 address? For example, when device-A talks to an IPv4 device, device-A communicates using its IPv4 address 2.2.2.4. Later, when ...
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3answers
9k views

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 ...
5
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1answer
1k views

IPv4, IPv6 and IPTables

I have just recently learned that even if I block all traffic to my webserver using iptables it is still vulnerable to external attacks via IPv6. In my understanding, this renders iptables-only ...
2
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1answer
836 views

Getting an IPv6 repsonse when IPv6 interface is disabled. Why?

Is it normal it get an IPv6 address when a hostname is resolved and the IPv6 interface has been disabled (unchecked from network adapter settings)? How do I know for sure IPv6 has been disabled?
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0answers
2k views

How can I get windows to release an IPv6 address

I have a windows system with an IPv4 address and an IPv6 address and I'm trying to figure out how to release my IPv6 address. I've tried ipconfig /release6 and I get this error An error occurred ...
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2answers
4k views

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 ...
0
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1answer
271 views

IPv6 Connectivity Issue - Cannot connect to IPv6 sites intermittently

I've configured an ISATAP router to enable me to connect to IPv6 sites. The interesting thing is that it sometimes works and sometimes does not and I do not know where the problem lies. Can anybody ...
3
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2answers
1k views

Why is Windows 7 announcing itself as an IPv6 router?

I have a 6in4 ipv6 connection from a linux box to a broker. I use gogoc to establish the connection to the broker, and radvd to advertise the route to clients on the network. All this appears to ...
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1answer
1k views

IPv6 local address in hosts file

I have set up a local domain on my Apache server. Then I added the following line in my /etc/hosts file ::1 exampledomain.local After I trying to navigate to it, (I tried ...
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0answers
597 views

How to install IPv6 on Windows 2003

How do you install IPv6 on Windows 2003 ... and get it working ? I'm trying to add IPv6 to one of my development machines which is Windows 2003. I've followed the knowledge base article on MSDN, and ...
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2answers
565 views

Can't browse websites using IPv6

I have configured my Windows 7 to use IPv6 (auto IP & OpenDNS IPv6 DNS) / IPv4 disable. Now the problem is that only ipv6.google.com is working but no other website is opening. How do I access ...
14
votes
3answers
21k 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 ...
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1answer
327 views

How to determine a PC's IP v6 address

How can you determine a PC's IP v6 address ? I have 2 machines, and if I do an ipconfig on one, I get ... Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : lan ...
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3answers
423 views

How to find the next IPv6 address in a sequence

I have a /96 block of IPV6 addresses and i'm wondering how i could some how find the next address (Since ipv6 addresses can contain numbers and letters). I know the first address could be in numbers ...
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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 ...
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1answer
1k views

Failed to fetch security.debian.org on Windows host

I am using 64-bit Debian 6.0 (squeeze) from a Windows 7 64-bit VirtualBox host, but I'm unable to successfully ping security.debian.org from both the guest or the Windows host. E.g., from the ...
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3answers
2k views

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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1answer
290 views

Why does it take so long for Eclipse to connect to a JUnitRunner process when IPv6 is enabled?

When IPv6 is enabled on my computer, half a minute passed between starting a new JUnit process and the test tree appearing in the JUnit view. When I disable IPv6, the tests appear immediately. What ...