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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1answer
364 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 ...
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0answers
221 views

What might be causing specific IPv6 HTTPS servers to send an excessive number of RST packets?

Client browsers on my IPv6-enabled home network hang and time out when attempting to load https:// URLs from specific IPv6 sites, such as ones operated by CloudFlare. In those situations, the live log ...
2
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1answer
235 views

IPSet with IP6Tables ERROR

Can someone please solve my headache and tell me how to fix this? [root@www ~]# ip6tables -I INPUT -m set --match-set blacklist6 src -J DROP ip6tables v1.4.7: Couldn't load match `set':/lib64/...
2
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1answer
1k views

Determine Default Gateway with Wired IPv6 address on Mac OSX

I am trying to create a dual network connection via Wireless and ethernet. The wifi connection runs my internet and the ethernet connection is connected to router which is connected to a NAS. I've had ...
2
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1answer
518 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 ...
2
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0answers
935 views

How to make FTP Server in Mavericks listen on IPv6 interfaces?

Althought native IPv6 connectivity is not yet possible with my ISP, I can access IPv6 websites via 6to4 tunnel. The Server App in Mac OS X Mavericks comes with FTP features. However it seems to accept ...
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0answers
912 views

Window Server 2012 throttling incoming IPv6 network file sharing operations

Short version IPv4 download from server: fast IPv4 upload to server: fast IPv6 download from server: fast IPv6 upload to server: slow Full version I am copying files from a GBe desktop to a GBe ...
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2answers
88 views

Ask for IPv6 address through IPv4

I am working on a project for discovering IPv6 host over the internet and I have a question. Is there any way that I can send a request to an IPv4 address and return me back their IPv6 address (if it ...
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0answers
311 views

Forward IPsec tunnel from IPv4 endpoint to IPv6 endpoint

I have a new ISP and only have a Dual Stack - lite connection now. That means I can't access my router via IPv4 anymore, since the external IPv4 address is private. I have native IPv6 connectivity. ...
2
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1answer
460 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 ...
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0answers
580 views

Can't ping Linux IPv6 bridge from host

I'm using a Linux box with two network interfaces as bridge (br0) and one system (X) behind the bridge with its own IPv6 address configured. Its other end is connected to a router. The bridge ...
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0answers
2k views

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 ...
2
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2answers
876 views

DNS only for IPv6 requests (AAAA)

since my ISP is not offering IPv6 for the moment, i decided to use a tunnel from HE, however i have a problem with my DNS's (infact even with public ones like OpenDNS/GoogleDNS) and the problem is ...
2
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0answers
615 views

Safari proxy bypass for IPv6

I'm a first-time n00b on Mac (but have been doing computers since before PC's). This Mac has 2 VLANs, vlan0 in IPv4, vlan1 in IPv6. Safari can surf via IPv4 squid proxy OK. Safari can surf via IPv6 ...
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0answers
494 views

disable IPV6 on specific interface with redhat on vmware

I tried to disable IPv6 on specific interface using IPV6INIT=no on the interface script. its working great on all server accept ones that run on Vmware. any idea? im using redhat 5.2, on vmware ESX
2
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1answer
899 views

Windows 7: how to setup a Homegroup - IPv6 error?

Every time I try to setup a Homegroup I get an error message that I need to have IPv6 enabled. When I check the system it says that IPv6 is enabled.
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3answers
293 views

Can't access 127.0.0.1 from Windows 8.1

I have a really strange problem with my Windows 8.1 Pro laptop: I can't access 127.0.0.1 from any web browser. But wait, it gets weirder! The setup My OS has installed (among others) the following ...
2
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1answer
67 views

IpV6 No network access

I'm Currently using Windows 8 on my laptop, and windows 7 on my computer. They used to be connected by the homegroup, which was brilliant, but now they can't find eachother anymore. I've tried to ...
2
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1answer
933 views

Not able IPv6-tunnel using miredo for Mac OS X

I have been trying to setup Miredo on OS X 10.7.5 using the Miredo Installer for OS X When Miredo starts after installation, the check box next to the "Teredo Tunnel" is still red and I am not able ...
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3answers
2k views

ipv6 find all hosts in a prefix

Using the ping6 command you can find the link-local address of ipv6 hosts out of an interface using: ping6 -I eth0 ff02::1 This will ping everything in the subnet and so you can see what is out ...
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4answers
172 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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5answers
3k views

Dynamic DNS for both IPv4 and IPv6 (using freedns.afraid.org or others)

[Edit: I have now found a solution; see below for my answer] I want to set up dynamic DNS on my Fritz!Box 7490, so that it is reachable both on IPv4 and IPv6. Note that I want to reach the Fritz!Box ...
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2answers
247 views

Can IPv6 traffic pass over an IPv4 network? [closed]

Consider the case where there are 2 computers using the IPV6 protocol that want to communicate with each other, and the packet(s) must pass through a network that uses the IPV4 protocol. Can the ...
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3answers
3k 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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2answers
401 views

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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3answers
6k views

Does IPv4 and IPv6 talk to each other?

If a country switches entirely to IPv6, does this changes anything for the other countries? (question inspired by this news article)
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3answers
446 views

Slow wlan0 compared to eth0?

Note: DNS: using OpenDNS Wireless NIC: Intel Corporation PRO/Wireless 3945ABG Kernel module: iwl3945 uname -r 2.6.28-11-generic Release: Distributor ID: LinuxMint Description: Linux ...
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2answers
8k 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: ...
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2answers
324 views

What is a typical and simple to remember example IPv6 subnet?

In IPv4 people often use subnets like 10.0.0.0 (10.0.0.1 - 10.0.0.254) or 192.168.0.0 Both of these are rather easy to remember. What is their alternative in IPv6? I know I can probably invent any ...
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2answers
442 views

How to get the ipv6 address marked with a specific scope?

If I run /sbin/ifconfig eth0 I get the following output: Link encap:Ethernet HWaddr <address hidden for privacy> inet addr:<...
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2answers
1k views

Debugging IPv6 routing issues

I have been given a native (no tunneling etc) IPv6 /64 block by my ISP. My pfSense router has successfully got an address, and from its WAN interface I can for instance ping ipv6.google.com and get a ...
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2answers
1k 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 ...
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1answer
42 views

ip6tables causing slowness

When running commands like ntpq -p or apt-get update it takes a very long time to display the results. If I remove all the ipv6 rules, everything works fine. I checked syslog, and there's no iptables ...
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1answer
77 views

How can my program make IPv6 connections?

I see in Resource Monitor that my torrent client uTorrent makes many connections to addresses in IPv6 range. How can it be? My router is D-Link DIR-615 and has no any setting about IPv6. How can any ...
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3answers
2k views

Why does IPv6 use 128 bit addressing? [closed]

When I first heard about IPv6, I just assumed that it doubled the number of addressing bits in IPv4, from 32 bits to 64 bits. This would have been enough for at least 2.6 billion addresses for each ...
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2answers
3k views

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 /etc/sysctl....
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1answer
93 views

Using IPv6 link-local addresses to ping between VMs in internal VirtualBox network

I'd like to test this network configuration in fully virtualized enviroment, while I don't have access to physical lab. I am using 2 VM Guest machines (Guest OS is Archlinux), each configured with ...
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3answers
138 views

How to test if DNS is working over IPv6

My two VPS servers host my DNS. I have it setup to work with both IPv4 and IPv6. I'm able to test IPv4 without a problem. How can I test IPv6? I tried entering the IPv6 address in digwebinterface....
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1answer
108 views

How do I discover the valid lifetime and preferred lifetime of IPv6 addresses on OS X?

On Linux, I can do ip -6 addr list and every address comes with a valid_lft and preferred_lft. What is the OS X equivalent? ifconfig doesn't include this information in its output.
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2answers
3k views

Get IPv6 correctly through another router

My ISP is Unitymedia NRW, Germany. It it a cable (like TV) ISP which has given me a Technicolor TC7200 modem/router. The ISP uses DS-Lite, so I only have a public IPv6 address, and no IPv4 address. ...
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2answers
1k views

radvd won't accept non-/64 subnets

I'm trying to set up radvd on a 6RD configuration (on Linux), where I have a /64 subnet, and I'm trying to use it on two distinct physical networks, so I'm trying to give each of them a /80 subnet. ...
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1answer
142 views

In tspc ipv6 tunnelling, does tunnel broker required for ipv4 to ipv4 communication?

I am new in embedded systems and trying to add support the ipv6 network availability in my new product but I have understood that, First of all, My system is connected to IPv4 ISP and I want to ...
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1answer
2k views

How can I completely disable IPv6 on Debian (squeeze)?

I'm running Debian Squeeze (with a stock 2.6.32 kernel). I'd like to completely disable any kind of IPv6 traffic. Can I do this? There doesn't seem to be any relevant module loaded. Perhaps some ...
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1answer
2k views

Debian - IPv6 disable 'Stateless Address Autoconfiguration'

I've installed Debian 6.0.6 running on kernel 2.6.32-5-amd64 and after the installation I assigned a static IPv6 address to the eth0 interface. This is how my /etc/network/interfaces file looks like: ...
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3answers
901 views

IPv6 Geolocation

I keep regular tabs on where my accounts are accessed from, and sometimes search the locations of IPv4 addresses. I'm now seeing accounts / machines I keep track of being accessed from IPv6 addresses....
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1answer
4k 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 ...
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1answer
87 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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2answers
106 views

IPv6 SSM multicast: is it built in or do you have to use another protocol like PIM-SM with it?

I'm trying to understand how integrated SSM multicast is to IPv6. Is it built in and sent solely by ICMPv6 messages or do you have to run something extra like PIM-SM? The reason I as is I've seen ...
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3answers
1k views

Should I use a static IP address? If so what kind?

Last night I managed to get my local PC running as a server using port 80 and my IP address. After restarting my machine it stopped working. I was told I need to make a static IP address. My ...
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3answers
11k 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 ...