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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7k 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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3answers
541 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 ...
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3answers
2k views

Can I use IPv6 in Windows 7 if my ISP support it but not my router?

I would like to use IPv6 on my desktop computer, it has Windows 7. My ISP has support for IPv6, since if I connects directly to the adsl-modem IPv6 works fine. But my home router doesn't support IPv6 (...
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2answers
548 views

What is the IPv6 equivalent of 192.168.xxx.xxx? [duplicate]

I have a server which responds differently to requests from the general internet as opposed to the intranet. For IPv4 I can simply check if the address begins with 192.168. This works for my needs. ...
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2answers
379 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 ...
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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 ...
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3answers
3k views

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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2answers
994 views

What is the performance of a connection using a tunnel broker versus native?

I am wanting to mess with IPv6 for teaching purposes. The problem is my ISP is not currently IPv6 ready. So I was going to use a tunnel broker from Hurricane Electric to solve the problem. The one ...
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1answer
1k 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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2answers
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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 ...
2
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1answer
146 views

Using Windows as IPv6 router for the network

self-answer from the crazy ideas dept. My ISP does not support IPv6; I could use a tunnel, but the only an always-on computer I have is a generic desktop PC that runs Windows XP/Vista/7/8. (I&...
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2answers
4k 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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1answer
928 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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2answers
3k views

IPv6 Address not setting

I am having a problem setting up IPv6 Address on ubuntu 10.04.I have disabled my network-manager. My /etc/network/interface file looks like this: iface eth0 inet6 static pre-up modeprobe ipv6 address ...
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2answers
389 views

Privacy, VPN and routers

Ever since this ACTA push-up the things are starting to heat up around torrents and privacy. I am using Tribler now, but this is not secure enough for me. Not enough privacy. I've been using in the ...
2
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1answer
787 views

What are the equivalent IPV6 versions of IPV4 special-use adresses?

I'm trying to make a private network with 5 computers bellow an external ADSL router with NAT, but internally I want to use IPV6. To do this I need to use private special-use IPV6 addresses, such as ...
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1answer
974 views

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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2answers
1k views

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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2answers
83 views

Wireless Internet is “Unidentified”?

My laptop wireless refuses to connect with my wireless adapter. It says signals all good and ip address is cool, but my ipv4 ad ipv6 connectivity is "no netwok access". What do i do with that?
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2answers
6k views

Native IPv6 on openwrt

I just flushed my linksys wrt54gl router with openwrt and was hoping to enable IPv6 connectivity, but I can't figure out how. Every tutorial I reed tells how to do it using e.g. tunnelbroker but I don'...
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4answers
2k views

How to whitelist an IPv6 address in VPC security groups on AWS?

I cannot enter an IPv6 address in the inbound rules in AWS VPC security group settings. It says The source must be a valid CIDR (e.g. 0.0.0.0/0) or the ID of another security group and It wont let ...
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1answer
1k views

IPv6 multicast address for all nodes on network

I've got a basic network with 3 nodes (VM's). One node publishes an event, the other nodes listen for it and print something when received. It used to work one-on-one (so node gives event to each ...
2
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1answer
600 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 ...
2
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1answer
329 views

Could not open IPV6 addr on web browser

I have ipv6 address fe80::21f:a4ff:fe91:2e44%4. This is the address of modem/router. I am unable to open this address in browser to view the web configuration. I am able to telnet to fe80::21f:a4ff:...
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1answer
537 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 ...
2
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1answer
168 views

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.
2
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1answer
175 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 ...
2
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1answer
481 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?
2
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1answer
591 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
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1answer
898 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 "s/...
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2answers
2k views

IPv6 routing problem

I'm in the process of setting an ipv6 on my home network, and I've encountered a strange problem. My "router" (a Debian Linux box) is connected to a HE.net 6in4 and can ping and access ipv6 sites(...
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1answer
297 views

Linux netstat shows ipv4 mapped ipv6 address

Even after disabling ipv6 on my linux machine and restarting network services, and not having an ipv6 address assigned to an interface, one of my daemon (cassandra to be specific)is using an ipv4 ...
2
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1answer
249 views

How can I add some static IP address at IPv6 for Windows 2012 DHCP server?

I would like to add some static IP address to my Windows 2012 DHCP server. I have tried to pair the IP address with its MAC address. At IPv4 it works, but how can do it at IPv6? Could anybody link a ...
2
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1answer
358 views

IPv6 only LAN with NAT64 router for Internet

I want to disable IPv4 on my LAN and run only IPv6. I will use a NAT64 Juniper firewall to provide Internet access since I only have IPv4 Internet. Will this break applications? Will I be able to ...
2
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1answer
134 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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2answers
46 views

ipv6 compatibility, are there any pitfalls? [closed]

i don't know if this question fits perfect on superuser but i'll ask anyways feel free to move. are there any pitfalls with ipv6? we are planning to move our webservers to an ipv6 only machine, is ...
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2answers
7k views

Teredo won't enable on domain-joined Windows 7 system

I'm trying to enable Teredo on a Win7 SP1 x64 system, in order to provide Remote Assistance for a system outside the local network. The local system is joined to a 2008-level domain which I have full ...
2
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2answers
894 views

IE9 on Windows 7, ipv6.google.com does not work, but in chrome it does?

I have an ipv6 connection, I get addresses, DNS is working and I can ping (with ping -6) ipv6.google.com. I can get to and use google in Chrome, but it does not work at all in IE9. It just says that ...
2
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1answer
74 views

Determining the way the IPv6 interface identifier was created

In IPv6 the 64bit interface identifier of an IPv6 address can be determined in one of 3 ways: Stateless Address Autoconfiguration: put in the MAC address of the NIC (+ FF:FE and flip a bit). ...
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3answers
14k views

How can I make localhost resolve to 127.0.0.1 instead of ::1?

When I ping localhost the address resolves to the ipv6 loopback of ::1 My MySQL and Apache installations expects the ipv4 address of 127.0.0.1 How can I configure my WindowsXP to resolve localhost ...
2
votes
1answer
965 views

How to prevent IPv6 privacy extensions from breaking my long-lived SSH sessions?

When using SSH from my Windows 7 desktop to Linux servers, via IPv6, I'm having the following two problems, because of IPv6 Privacy Extensions: I'm used to keep ssh sessions open for days or weeks. ...
2
votes
1answer
1k views

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 ...
2
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1answer
825 views

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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4answers
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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 ...
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2answers
3k views

Why can't I ping local ipv6 windows machines from Ubuntu?

If I ping6 external ipv6 hostnames or addresses (e.g. ipv6.google.com) it works, but if I try to ping6 an ipv6 hostname or address it doesn't work. If I ping the same address from a windows machine on ...
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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 ...
2
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1answer
361 views

Android dhcp assigning bogus dns server

I've been having problems with Android devices and DNS lookups on my WiFi network, so I've done some digging and found that android is assigning what appears to be a random link-local ipv6 address in ...
2
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0answers
422 views

DD-WRT and native IPv6

There have been a couple of questions on this topic but as things have evolved somewhat since then, so I'm opening a new thread. My ISP has started offering native IPv6 and I'm trying to get DD-WRT ...
2
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1answer
652 views

IPv6 Web Site, But Fails IPv6 Readiness Tests

This is driving me bonkers. I have a Windows Server 2012 R2 machine running IIS 8.5. IPv6 is working fine on this machine. All the IPv6 test sites I browse indicate this machine is indeed running ...
2
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1answer
363 views

ip6tables: how to handle periodically changing prefix?

My ISP provides me with native IPv6 (unfortunately DS-Lite for v4) and I'm using SLAAC for the clients in my local network behind a broadband router. As I don't trust the router (which is configured ...