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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Configuring a static IPv6 address that inherits delegated prefix

My ISP (comcast) delegates a prefix, my router is passing along the prefix delegation (pd) onto the LAN. My Debian machine is getting the prefix and appending using EUI-64 address. That's nice but not ...
3
votes
1answer
3k views

No IPv6 with Asus RT-N56U

Consider the following: My ISP have native IPv6. When I plug directly into ethernet port on my motherboard I have IPv6 connectivity, everything is configured automatically, and works fine. But when ...
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votes
1answer
1k views

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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3answers
3k views

Too many Tunnel Adapter Interfaces

If I open a command prompt on my machine and type ipconfig /all, I see lots of Tunnel adapter Local Area Connection* 9: Media state . . . . . . . . . . . . . : Media disconnected ...
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1answer
2k views

Trouble connecting a Ubuntu system to IPv6 tunnel over NAT

I'm trying to set up an IPv6 tunnel, via Hurricane Electric's tunnel-broker service. I've configured my system using their example commands: # $ipv4a = tunnel server's IPv4 IP # $ipv4b = user's IPv4 ...
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0answers
48 views

Forcing *BSD to accept both IPv4 and IPv6 traffic on a single socket

I have tried a ton of stuff and keep coming up entirely empty handed. Allow me to frame the situation: I have a *BSD Jail setup in FreeNAS that runs a Plex Media Server (Plexpass). It has IPv6 ...
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2answers
414 views

Packets not received when running IPv6 through a bridge

I have a setup with two network interface: eth0 and tap0, bridged by br0 bridge name bridge id STP enabled interfaces br0 8000.************ no ...
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1answer
304 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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1answer
657 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 ...
3
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2answers
680 views

How to prefer ipv6 over ipv4 only for specific websites?

I only have ipv6 connectivity via a HE tunnel on my router, so normally I want to prefer ipv4 over ipv6. For some websites however, I would like to prefer ipv6. Right now I have just set ...
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0answers
859 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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2answers
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Linux/bash: How to get interface's IPv6 address?

What command can I use to get IPv6 address of an interface in a script? Update: Output of sed from one of answers. $ ip -6 addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 inet6 ::1/128 scope ...
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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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3answers
856 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 ...
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3answers
462 views

MacBook Pro wants to connect to IPv6 addresses for some strange reason

A very weird behavior on a MBP. It seems that some websites are now advertising Ipv6 addresses (e.g., www.doodle.com, addons.mozilla.org, etc.). For some reason, even though I only have an Ipv4 ...
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2answers
17k 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. ...
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3answers
535 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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2answers
276 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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2answers
2k views

How do I deploy IPv6 within a LAN using a Debian based router and prefix delegation?

My ISP started using DHCPv6, which means with this /etc/network/interfaces... auto lo eth0 eth1 iface lo inet loopback allow-hotplug eth0 iface eth0 inet static address 192.168.0.1 netmask ...
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1answer
2k views

How do I access a file share in the windows explorer using an IPv6 address?

entering the \ IPv6 address with the colons does not work, neither the typical approach of enclosing the address in [] brackets
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3answers
6k 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 ...
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2answers
706 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 ...
2
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1answer
5k 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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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 ...
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1answer
1k views

How to transparently tunnel a port from IPv4 to a remote IPv6 device?

At home, I am connected with an IPv6 address and additionally, my provider provides a NAT-like setup through which I receive a public IPv4 address that I share with other customers (the reason being ...
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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

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
376 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 ...
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1answer
914 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
5k 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 ...
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1answer
44 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. ...
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1answer
4k 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 ...
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1answer
441 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
319 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 ...
2
votes
1answer
1k 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
472 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
163 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
169 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
votes
1answer
459 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
532 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
7k 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 ...
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1answer
812 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 ...
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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 ...
2
votes
1answer
52 views

Firefox sporadically loses ability to perform DNS lookups

I've scoured the web for several days now, essentially every single time I encounter this. I hope someone here knows a solution to this. Facts I'm using the latest stable release of Firefox at the ...
2
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1answer
48 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
votes
1answer
4k views

Throttled download speeds on new router with Comcast (ipv6 vs ipv4)

Issue with Comcast cable on Linksys or Cisco routers (and others) involving throttled download speed on ipv4. I recently upgraded my internet service to 100+ Mbs and also upgraded my router to ...