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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NAT in local IPv4 to extern IPv6

I have a cable router with an outgoing IPv6 address. In my lan I have IPv4 addresses. I want to access to my local server from internet. I am not familiar with IPv6, is there something like NAT? ...
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0answers
605 views

Force Squid to connect to sites over IPv4 rather than IPv6

Is there any feasible way to force a select amount of domains to use IPv4 connectivity rather than IPv6 with Squid, whether its via acl other another method? I'm aware of the dns_v4_first config ...
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4answers
4k views

Why does the “Internet of Things” enforce the need for IPv6 addresses?

If you have multiple devices in one network, the amount of IPv4 addresses will not increase linearly to accomodate the number of devices. There is just one IPv4 address per Network/Router that is ...
4
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2answers
673 views

Accessing an IPv6 server with an IPv4 address?

I have a server (Mac OS X 10.11) machine at home which exposes various services via web interfaces. I would like to access these from outside my own network. My ISP does not provide IPv4 addresses and ...
8
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1answer
128 views

How do I specify an IPv6 address in the X Window DISPLAY variable?

I'm trying to export a DISPLAY variable containing a numeric IPv6 address. What format would the variable take, since IPv6 addresses contain :, which normally is used for the display number? Googling ...
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1answer
135 views

Router is inaccessible, inexplicably giving IPv6 gateway

So I've been using this Router/Modem from my cable company for about a year now. I accidentally unplugged it earlier today, and now while I can access the Internet through a wired connection, my Wi-Fi ...
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0answers
34 views

NAT64 using Tayga

I have successfully configured Tayga to facilitate NAT64. I gave a dynamic pool as 10.0.64.0/24. Currently, I have 2 IPV6 hosts configured and trying to ping an IPV4 host through the NAT64 server. Now,...
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0answers
133 views

Windows 7 not request/response multicast FF02::1

I have write a simple UDP client & server code to test multicast address via IPv6. But I found an interesting thing, that I can't send messages to FF02::1 (same when I ping it). I have used ...
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4answers
32k 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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0answers
42 views

IPV6 end-to-end data connection not working

I am configuring for IPV6 end-to-end connection. I can get proper IPV6 address on my wan interface and br-lan interface, but I cannot browse on the IPV6 only network. I can ping the DNS server, but ...
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0answers
26 views

IPv6: Router Advertisement only works for 8 seconds

(I already asked this in the IPFire forum but didn't get an answer) I have setup a native IPv6 connection using a bridge as documented in http://wiki.ipfire.org/en/add-ipv6/ipv6/extended. IP ...
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2answers
405 views

Why do some DNS addresses don't resolve if I set my network as IPv6 only?

I'm experimenting with moving my home network to IPv6 only. My first try was turning off the IPv4 WAN interface of my OpenWRT box. When I did that, Google continued to work and by that I concluded ...
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1answer
214 views

My ISP gives me an IPv6 Address Range over DHCP, pfSense won't hand it out to the rest of my network

My ISP gives me a DHCP IPv6 Address /56 range. I have a friend with the exact same setup as me, and his client PC's/devices all get automatically handed IPv6 addresses. How it's setup: pfSense WAN ...
53
votes
7answers
83k 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 ...
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1answer
273 views

How to set up NAT46 on Linux router?

I have a internet connection supporting IPv6 only. But some of my devices (like an AV-receiver) are only capable of IPv4. ______________ | Linux router | ...
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2answers
102 views

I'm trying to open query.yahooapis.com but curl is trying to use IPV6 even if I only have IPV4 enabled

When I try to call query.yahooapis.com with curl it's trying to use the ipv6 address but IPV6 is disabled on my computer $ curl -v 'http://query.yahooapis.com/' * Hostname was NOT found in DNS cache *...
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1answer
267 views

Access IPv6 home server remotely (also from IPv4 networks)

I have an ISP that uses IPv6 and I want to set up a home server running windows server 2012 essentials and access it remotely using the remote web access feature. is this feature capable of IPv6? and ...
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2answers
482 views

How can I purchase an IPV6 address? [closed]

Is is now possible to purchase either a single IPV6 address or blocks of them considering how many there are available? I've come across a few questions on here but most of them from what I can see ...
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1answer
7k views

How to configure OpenWRT to route IPv6 traffics?

I recently bought a router and flashed OpenWRT, with kmod-ipv6 and radvd installed. I was trying to set up IPv6 connections, but I can only ping ipv6.google.com from the router, not the computers ...
0
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1answer
761 views

Streaming multicast on VLC over ipv6

We are trying to send a multicast video stream using VLC 2.2.1 on ipv6 protocol between two computers - server and receiver. Both computers are connected via Ethernet cable from one network card to ...
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0answers
62 views

Windows 8.1 How to make IPv6 take precedence?

Two machines: comp1 with Windows 8.1, comp2 with Windows 7. The network in the building routes IPv6. How can I make my comp1 default to IPv6 routing the same way comp2 does? On comp2 when I run ping ...
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4answers
269 views

Is there a way to always use the same Teredo IPv6 address?

One of my computers is on an IPv4-only ISP so I am using miredo in order to have an IPv6 address. Now I need to access this computer remotely with IPv6. (I can't use IPv4 here because it is behind a ...
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1answer
85 views

Limited Connection in Windows 10

I get limited connection most times when my WiFi is connected. I have good signal reception but the connection goes as limited every now and then. Even when the connection is not limited, the internet ...
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1answer
156 views

What is the difference between IPv4 and IPv6 in terms of binary?

I have done some research on IPv4 and how to convert IP addresses to binary and vice versa. I also understand that IPv6 contains 4 x the amount of IPv4 binary per section. I just need to thoroughly ...
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1answer
131 views

Teredo not working - why?

I'm experimenting with network protocols a little bit and want to connect an IPv6 host from my IPv4-only internet connection using Teredo. The computer is behind a NAT. I tried different Teredo ...
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1answer
119 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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1answer
63 views

Can't reach webserver from own ipv6 subnet but from outside

I am really confused with my actual ipv6 setup in my home LAN. From my ISP I get an ipv6 /54 prefix. That prefix is assigned to the WAN interface of my router via DHCPv6 provided by the ISP. Then the ...
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1answer
730 views

Access IPv6 server via IPv4 tunnel?

I am an installer for an ISP here in Alberta Canada. They recently launched LTE but are doing double NAT on IPv4 so accessing a server from the outside world isn't possible via IPv4. They do however ...
34
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2answers
5k views

Why is ARP replaced by NDP in IPv6?

ARP was replaced by the NDP (Neighbour Discovery Protocol). But I don't know the exact reason for this. Are there any security issues in ARP? Why ARP is replaced by NDP? What are the advantages of ...
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0answers
556 views

Just upgraded to HughesNet Gen4. Have IPv6 access but not IPv4 access on my wired network.

We just upgraded to HughesNet Gen 4. Now our wired network only works partially. We can access wireless (which runs through our wired switch). The Wired network says IPv4: No Internet Access. IPv6: ...
0
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1answer
144 views

Migrate home network to (firewalled) IPv6

Home scenario: DOCSIS EPC3208G in true Dual Stack mode going to a RouterBoard, which then goes to a switch. The switch, and therefore the intranet, lives in another subnet as the EPC3208G. The ...
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1answer
106 views

IPv6 global address lost after delay

I have a (gentoo linux) computer behind a home router (Fritz!Box 7360). When I initially connect it via a wired connection, it is assigned a link-local address (fe80:...), a unique local address (fd00:...
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1answer
142 views

How can I add an IPv6 address with a scope ID to the ssh config file?

On Linux, an IPv6 address can have a scope ID at the end with a percent sign before it. For example: fe80::1%usb0. See Why is there a percent sign '%' in the IPv6 address? I want to add such an entry ...
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0answers
28 views

Enforce EUI-64 configuration

I'd like to ask if there is any possibility to enforce EUI-64 address in my network. I'm not able to use port ACL and IPv6 Source Guard because of old IOS system on my switches and the upgrade ...
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0answers
268 views

IPv6 for homegroup

In Windows 10, the ethernet properties show IPv6 is installed. Homegroup creation fails because IPv6 must be installed. The error message tells me to run the homegroup troubleshooter to install IPv6 ...
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1answer
2k views

Not able to ping to IPV6 address from Windows 7 [duplicate]

Mine is Windows 7 both on laptop(home) and PC(office). I've also tested checked this from a school on Win8 PC . Why I can't ping any IPV6 address? I've disabled Eset nod32 completely but still: >...
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0answers
117 views

Both Xbox One and PlayStation 4 wants to listen on ports 80 and 443?

This is really a question about poor documentation more than anything. It seems both the Xbox One and PlayStation 4 wants to listen 80 and 443. As I’m in a household with a webserver listening ...
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0answers
188 views

windows 7 prefer ipv4 over ipv6

I have ATT Uverse for my internet. A few months ago we had problems and they installed a new router. All of a sudden google and facebook are using ipv6 and are getting horrible performance, they ...
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0answers
81 views

Unable to Use IPv6 Tools from Command Line (OS X Yosemite)

ssh, ping6, traceroute6, etc. all hang when I'm trying to access a host via IPv6. My machine is configured for IPv6 as far as I can tell (via sites like http://ipv6-test.com, etc.) I'm not sure ...
1
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1answer
251 views

How to setup an OpenVpn tunnel to IPV4 from a dualstack lite (ipv6 address only) cable modem

As of today, I am on a nice and fast new cable modem connection. Unfortunately, that connection is natted to an external shared IPV4 by my ISP. It is only possible to reach my modem via a unique IPV6 ...
0
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2answers
56 views

IPv6 CPU utilization in Ubuntu

How can I find out how much CPU is used on my Ubuntu to deal with abrupt IPv6 traffic? I use top command but I can not find out which process ID is dealing with the 11MBps IPv6 inbound into my NIC. ...
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1answer
477 views

Setting up ipv6/dhcp with duid

I've got an online.net dedicated server which runs fedora 22, KVM and a few other things, so I currently have it setup with a bridged network connection. My provider has given me a duid, and I'm ...
3
votes
1answer
5k views

Cannot get an IPv6 address on Debian

I am using Debian 7 with the newest updates. I have a block of IPv6 adresses from my provider and, according to the provider the DHCP server is setup so that I should get an ip automatically (I even ...
1
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1answer
422 views

ssh from IPv4 to IPv6

I have been trying to reach, using ssh, an IPv6 server from a IPv4 (only) client, but am having no success. Both systems run ubuntu 12.04. I am aware that ipv4 and ipv6 are different protocols and ...
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2answers
14k views

Why does Win7 SP7 64-bit try to resolve DNS agsint IPv6 DNS Servers?

Pretty vanilla, just installed Win 7, SP1, 64-bit. NO IPv6 ACCESS. The network status says IPv4: Internet. IPv6: No network access. Pick a domain that has DNS servers that have both IPv4 and IPv6 ...
4
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1answer
1k views

Will I be able to register my own IPv6 address as an individual?

I know that at this moment, for all practical terms it is almost impossible to register a small portion of IPv4 addresses as an individual or even a small scale corporation. My question is if the ...
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0answers
72 views

Configure a fixed IPv6 gateway which has a changing IPv6 address?

Short version, possibility of XY problem: I have to configure a static IPv6 gateway on my computer. The gateway's IPv6 prefix changes once a day. How do I do that? Long version with all details: I ...
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0answers
75 views

Computer constantly losing internet connection Norton Scan says IP address disappears

One of my computers is constantly losing it's ip address and going offline and showing the yellow triangle over the little computer network icon. I am using a router for three computers and two I ...
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0answers
653 views

Correct way to set up Windows Server 2012 R2 ESSENTIALS? [closed]

Here's my basic setup: Windows Server 2012 R2 ESSENTIALS. Lenovo TS440 Server. Comcast Router/WIFI/Modem Cisco DCP3939B (Business) NO COMCAST STATIC EXTERNAL IP. TrendNet TEG S80g 8 port switch. A ...
0
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1answer
79 views

Can I allocate IPv6 addresses to directories of my web server?

I am running an apache server on a Debian machine and I have 1 IPv4 addresses and 20 IPv6 addresses. I want to run two websites of this server, can I allocate a directory an IPv6 address so that I can ...