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
220 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 ...
1
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2answers
709 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. ...
0
votes
1answer
288 views

FTP: Unable to connect times out on directory listing

Been going round in circles for this for days now and i'm really stuck. My ftp had been working fine through filezilla, and through the ftp interface in PHP Storm Then all of a sudden the next day i ...
0
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0answers
31 views

windows 7 has ipv6 connectivity but not v4

My wife's windows 7 laptop had network connection problem out of the blue yesterday. It can access google sites like youtube, but nothing else. When I troubleshoot, I found that it has IPV6 ...
0
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1answer
251 views

ipv6 ping host got destination host unreachable until run tcpdump

At first (all computer booted) when I ping the gateway (linux computer, two network cards(one is usb)) from a windows computer, I got: "Destination host unreachable", but when I run "tcpdump -i ...
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0answers
95 views

IPv6 automatically gets disabled after every second reboot

I'm trying to set a static IPv6 address on Windows 7 and I connect just fine. But after 2 reboots (not one), it disappears. After much troubleshooting, I also see the DisabledComponents reg key ...
3
votes
1answer
143 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 ...
1
vote
1answer
74 views

Firefox and Chrome redirecting IPv6 to Google search

There are already answers how to teach those browsers to resolve the targets (enable ipv6 dns), but my problem is, when I enter an address (including http): http://2001:db8:0:1::10:1ff ...
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2answers
7k 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: ...
0
votes
1answer
265 views

IPV6 DHCP server configuration

I'm new to IPV6. I'm trying to configure IPV6 server on my Linux VM using isc dhcp. we have the following content dhcpd6.conf file default-lease-time 600; max-lease-time 7200; log-facility local7; ...
0
votes
1answer
351 views

Weird behaviour on MacBook using IPv6

I recently discovered that my ISP supports IPv6 so I decided to give it a spin, configured the router, tried pinging ipv6.google.com from the router, all fine. I configure RADVD for the internal ...
0
votes
1answer
180 views

How can you access your router via IPV6?

Okay, first I wanted to do this just for the lulz, now it is a matter of principle because I need to understand it. My Router supports simultaneous IPV4 and V6. For thus, I have 2 default gateways: ...
4
votes
2answers
9k views

Why has ping started to resolve hostnames to IPv6 addresses?

Why would my computer (Vista Business) begin to start pinging using IPv6? I have not to my knowledge made any change to enable this. When I ping a local computer with it's hostname, ping has started ...
0
votes
1answer
204 views

Setting up IPv6 internal network with WiFi access point

first of all I'm completely new to ipv6 so please forgive me if I'll say something stupid. I'm trying to setup an ipv6 internal network to test an application I wrote ( yeah I can code for ipv6 but I ...
0
votes
1answer
219 views

How do I configure a mikrotik router to run on IPv6?

I am experimenting with ipv6 and would like to connect to my Mikrotik router via ipv6 on a local level. This would include connecting to it by an ip6 address, and interacting via icmp6. I have ...
0
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0answers
34 views

Gogoc and OpenVPN - can't seem to make them work together

I have a problem with my setup and I was hoping you guys could help me figure out what I should do. I'm currently running a 6LowPAN using RaspberryPi and Arduino nodes. Since I don't have native IPv6 ...
0
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0answers
221 views

PPTP VPN only using IPv6 Connections?

I followed this tutorial to set up a PPTP VPN: https://www.digitalocean.com/community/tutorials/how-to-setup-your-own-vpn-with-pptp Once complete, I connected to it with my desktop and noticed I ...
0
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0answers
111 views

IPv6 configuration: ISP is blocking Neighbor Discovery

My ISP offers IPv6 to interested customers, but doesn't provide any support in this regard. I've been given a /64 prefix (let's call it 2345:6789:11:22::/64), a gateway address (2345:6789:11:22::1) ...
0
votes
3answers
350 views

PTR record and A record should match. What if there is no A record?

If I understand RFC1912 section 2.1 correctly, these rules apply for PTR records: 1) Every working IP should have a PTR record 2) PTR and A records should match (although this is not checked ...
22
votes
3answers
27k 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 ...
0
votes
0answers
50 views

How do i get pdnsd to cahce both ipv4 and ipv6 records and use what's available?

This is how i run pdnsd mostly: pdnsd -4 -c /etc/pdnsd.conf -d -muo Unfortunately for some websites it looks for an AAAA record vs an A record and because AAAA is not cached by pdnsd it takes time. I ...
2
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0answers
661 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 ...
2
votes
1answer
222 views

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 ...
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1answer
150 views

Configuring IPv6 on Debian - Global temporary address

My mac generates a daily temporary ipv6 for outbound connection usage, is there something similar that's available on Debian? Thank you! -Pablo
0
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1answer
95 views

IPv6 gateway configuration

I'm running a dedicated server at OVH with 16 virtual machines on vmare ESXI. The vms are running debian 7. Network 2001:xxx:2:9508::/64 Gateway 2001:xxx:2:95FF:FF:FF:FF:FF according to the OVH ...
0
votes
2answers
113 views

Running DHCP for ipv4 and ipv6 on different servers in the same network

I have a network where ipv4 addresses are assigned via DHCP on the router. The router, however, is capable of routing ipv6 but does not support ipv6 DHCP. Would running 2 DHCP servers (one for ipv4 ...
23
votes
4answers
2k views

What's the responsibility of an IPv6 owner?

Living behind a consumer-grade router for the memorable past, I guess I took the side-effect of NAT for granted, in that I had the burden of forwarding ports when I needed to, instead of have to ...
-1
votes
1answer
69 views

IPv6 subnetting - coverting decimal to hexadecimal

I came across a question on IPv6 subnetting, You work as a branch network administrator of a large company with offices in many cities around the world. The corporate network is currently in ...
0
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0answers
2k views

No DNS requests in Windows 7, nslookup works, ping and tracert can't resolve

I was trying to bring my old desktop computer back from the dead and faced a problem I couldn't deal with. The main issue is what I've written in the title - nslookup works, ping and tracert give a ...
0
votes
1answer
94 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 ...
2
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0answers
102 views

Why does Google Chrome listen on port 8000?

Occasionally when starting up a development server (again), it will die with the message that the port 8000 is already in use. Running $ lsof -n -i4TCP:8000 | grep LISTEN then reveals Google ...
0
votes
1answer
97 views

Is it possible to get two IPv6 networks to communicate over IPv4 Internet in this case?

I have a setup of a laptop connected to a cellular IPv4 network (3G usb dongle) and PC connected to another IPv4/IPv6 network. Both have been configured to run as IPv6 routers and each has its IPv6 ...
3
votes
2answers
2k views

Routing IPv6 traffic through Debian pptpd into Hurricane Electric's IPv6 tunnel

I have set up a tunnel using Hurricane Electric's services on a Debian machine. It seems to work alright; I can ping6 ipv6.google.com and open it in links. I've also set up a PPTP daemon on the ...
1
vote
1answer
73 views

IPV6 and MAC discovery

Is there a way to get the MAC and IPV6 Global link address for the network, just as ARP does with IPV4 in Ubuntu. I tried to retrieve IPV6(Link Local Address) using THC-IPV6 tool. But retrieving MAC ...
1
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1answer
142 views

Getting LAN clients to use IPv6 tunnel of Debian router

I have a Debian Jessie powered server which acts as router for our home network. I have succesfully managed to set up an IPv6 tunnel using TunnelBroker and traceroute commands return succesfully. ...
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votes
1answer
103 views

Enabling IPv6 causes certain websites to go dark?

I'm trying to enable IPv6 since my new ISP (CenturyLink) supports. When I do, however, I am unable to connect to half the websites I visit, even if they're well known and well developed. (Yahoo.com ...
0
votes
1answer
103 views

Unknown IP address is kept loggin into my email account

My Google account showed me that this IP address (2601:2:1080:6bf:596c:862:733b:9ccb) has logged into my email account multiple times. Is there anyway to track this IP address? This is not what a ...
0
votes
1answer
252 views

Is IPV6 blocking my DHCP on Fedora?

I’m running Fedora 20 with KDE on a laptop I use for work. When I’m at home I use DHCP and when at work I have to statically assign an IP. When I came home the other day for some reason it doesn’t ...
1
vote
1answer
27 views

Choose different host part during IPv6 auto configuration

My Internet provider assigns dynamic IPv6 prefixes, which changes every few days. Is it possible to change the host part during auto configuration, e.g. using the prefix from the router ...
1
vote
1answer
38 views

Behavior of IPv6 Privacy Extensions

IPv6 privacy extensions are defined in RFC 4941. From that I understand that the temporary interface identifier is not only chosen anew when the temporary lifetimes expire, but also when the link ...
0
votes
2answers
57 views

Virtualbox running Ubuntu and ipv6

I'm just playing around with ipv6 and I was trying to use netcat over ipv6. I tried the following and it works. $ # terminal one $ nc -6 -l 7171 $ # terminal two $ nc -vvv -6 ::1 7171 ...
0
votes
0answers
823 views

Default Gateway IPv6 but IP set on IPv4

I have a client who has a network setup. I have a couple of devices which work on the network using socket communication which I want integrated onto their network. There is a PC which is to be made ...
0
votes
1answer
246 views

Google Chrome freezes using IPv6

I've got a bit of a problem with Google Chrome. A few weeks ago I switched to another ISP that offered IPv6. Since then Chrome is randomly freezing when accessing certain websites (freezing as in "not ...
3
votes
1answer
649 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
265 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 ...
1
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4answers
160 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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0answers
14 views

Revoking a dhcpv6 address lease

Is it possible to revoke a dhcpv6 address lease before it expires? For instance, if the prefix changes, is it possible to distribute new IPv6 addresses?
2
votes
1answer
110 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 ...
0
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0answers
55 views

Issues configuring IPv6 on Red Hat 5.8

I'm new at linux and i'm trying to configure IPv6 on a Red Hat 5.8 due a specific application I'm working on. This Linux is installed in a VMWare 8 and the IPv4 is working fine! I can ping the host ...
2
votes
0answers
104 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 ...