Questions tagged [ipv6]

Use this tag for any discussion relating to the IPv6 addressing system. This can include 4to6 conversion, or devices that do or do not support IPv6 addressing.

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ssh: connect to host ::1 port 22: Connection refused

I can't figure out why I can't connect to my Raspberry Pi using ssh over IPv6. I've modprobed the ipv6 module and modified /etc/sysctl.cfg to include net.ipv6.conf.all.disable_ipv6 = 0 net.ipv6.conf....
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50 views

RasPi IPv6 Address Only Taking /128 Subnet

My Problem I'm just now enabling IPv6 on my network, and already my phone works with it as expected (confirmed with a "What's my IP" search showing an IPv6 address with the proper prefix. ...
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113 views

Pi Zero v1.3 running Raspberry Pi OS Lite only has a Link-local ipv6 address

I am trying to get an IPv6 IP that allows me to access my Pi Zero from other devices, specifically for Pi-Hole DNS. I would like to use this IP in the settings of my router to replace the default IPv6 ...
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ipv6 static ip assignment failing on router NIC

I'm working on configuring a Raspberry Pi 3B+ running the latest rasbian as a router since my current home router is degrading and it's a fun project. Never done much with networking before but I got ...
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1answer
250 views

IPv6 not reachable

I have this strange bug on my Raspberry PI that my public IPv6 is not working (sometimes!). When I restart my Pi the IPv6 gets assigned and I can reach my Pi from the internet. However and some point ...
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1answer
127 views

IPv6 setup issues, pls help

I'm trying to setup my ipv6 on my raspberry pi 4. Now when I reboot it with fritzbox set to 6to4 I can't access my raspberry any more from my network (ssh, webmin etc). Additionally I can't access ...
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51 views

Raspberry Pi 2B gets IP and then drops it - Buster

Having a weird issue, my RPi 2 B starts to get an ipv6 on my network and then for some reason proceeds to drop it. .... May 30 08:21:05 raspberrypi avahi-daemon[290]: Registering new address record ...
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1answer
184 views

rapsbery pi 3b+ now only giving ipv6 address

I have 3 rpis on my network and only one of them has decided it needs to use ipv6. I have been able to set it to ipv4 using the sudo dhclient -4 -v wlan0 command I tried setting the disable ipv6 on ...
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273 views

IPv6: Privacy Extensions sysctl Prefs not respected

Given the vast address space available for IoT devices using IPv6, I was doing some testing and ran into some funky, inconsistent behaviour regarding address configuration. In Raspbian Buster, I ...
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1k views

Setting up Raspberry Pi as an access point for IPv4 and IPv6

I setup my pi using this guide (NAT version): Setting up a Raspberry Pi as an access point - the easy way For IPv4 this worked like a charm. The problem is, that I cannot get IPv6 to work as well. My ...
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133 views

How to configure a wifi router and a Raspberry Pi for IOT devices

I'm building some IOT devices that I want to be able to access from my local network and possibly from outside my home as well. I want to connect my devices to a Raspberry Pi because my IOT devices ...
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266 views

Raspberry Pi Bluetooth/6lowpan to WiFi IPv6 Router. Ping6 Not working

I want to route data between BT/6lowpan interface and wifi interface on a Raspberry Pi platform. Done all the setup as described below. But the Ping6 from Bluetooth (bt0) to Wifi (wlan0) not working. ...
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537 views

Why are some services only listening on IP6

I have previously asked a question Cannot remotely connect to pigpiod (now deleted) but never resolved the issue. This is a more generic question. sudo ss -lntp State Recv-Q Send-Q Local ...
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2k views

Cannot connect to my Pi over SSH from IPv4 to IPv6

I am trying to set my Raspberry Pi as a server at home using IPv6. At home I have a dual stack. I need to know how can I connect from outside internet IPv4 (Client) to IPv6(Server at home) via SSH. ...
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1answer
122 views

Ping 'Realm local all Thread nodes' multicast

I'm using rpi3 with raspbian to set up an OpenThread Borderrouter. For my application, I need to ping the 'Realm local all thread nodes' multicast address. Unfortunately, I get an error when doing ...
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1answer
841 views

Connecting to Pi from Windows via Zeroconf - IPv4 pings fine, IPv6 does not

I've been struggling with getting into my Pi from Windows 10. I'm fairly sure the problem is on the Pi side but if so I can't for the life of me work it out. In short, on Windows I cannot ssh or ping ...
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80 views

How to setup 6rd?

How to setup 6rd on a Raspberry Pi? The ISP router doesn't have the option of it enabled and the other router I have doesn't really work behind NAT (just using it as an access point right now). I've ...
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467 views

IPv4 not working after losing connection to router

When I restart my router I can't connect to my Pi(3) anymore via IPv4 (IPv6 works!) until I restart the Pi (I've tried connection with SSH, SFTP, DHCP, HTTP(S) and the ping command). It is connected ...
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1k views

Raspberry can only reach IPv6 sites

I have a Raspberry Pi 3 Model B (with Raspbian Stretch Lite installed) connected to my laptop by Ethernet using a static IP address (network: 192.168.128.0). I can access it through ssh without any ...
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280 views

Setup Windows 10 IoT with Hurricane Electric's IPv6 Tunnel

I just bought a Raspberry Pi 3 and I'd like to install Windows 10 IoT on it as I'm a Microsoft fan. I've been using a Pi B as an IPv6 tunnel machine with Tunnelbroker.net but have been using Raspian. ...
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3answers
2k views

SSH over ipv4 to ipv6

At home I have a ipv6 modem, my ISP provides only ipv6. My RPi is connected to modem/router over ethernet and gets ipv6 address. I can reach it (ssh) locally from my windows laptop using ipv6 global ...
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1answer
291 views

IPv6 DAD Failures on RPi3

I tried configuring IPv6 over the included WiFi interface on a Raspberry PI v3 using the latest Raspbian/Jessie. Unfortunately, this fails because I get DAD (duplicate address detection) failures. ...
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325 views

Access camera via IP6 router on rpi3

I have set up a motion camera in rpi3 running jessie. When I tried to access it from local network it works fine i.e. http://localIP:8081 The issue now is that I'm trying to access it from outside. ...
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488 views

ipv6 stopped working, how can I fix it?

I have tried: modprobe ipv6 Which returns modprobe: ERROR: ../libkmod/libkmod.c:557 kmod_search_moddep() could not open moddep file '/lib/modules/4.4.21-v7+/modules.dep.bin' It has worked until ...
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4k views

Does appending ipv6 to /etc/modules enable IPv6 at boot?

Apparently, I can enable IPv6 in two ways. To test, I first confirm it's not enabled currently. $ ping6 -c 1 ::1 socket: Address family not supported by protocol I then enable it immediately $ sudo ...
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142 views

PuTTY can't launch X programs when IPv6 is disabled

I'm accessing my Raspberry Pi 3 with PuTTY, and using X11 programs like GParted through ssh connection. It was perfectly working until I turned off IPv6 by adding the following line to /etc/sysctl....
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1answer
1k views

Why doesn't IPv6 over SLIP work?

The goal I'm attempting to connect two Raspberry Pi's together using IPv6 over SLIP but it's not quite working. Here's what I've done: The attempt Both Pis are Model B running Jessie and the same ...
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4answers
15k views

How to find out my Raspberry Pi IPv6 address in local area network?

My Raspberry Pi runs ArchLinux and since I enabled IPv6 in our local router config, the pi only fires up an IPv6 connection in LAN. But I have trouble to find out the address. Once I connected a ...
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1answer
470 views

dchpcd[PID]: eth0: {IPV6} is unreachable, expiring it

I have a small python script that uses Requests and simply does a GET request from an api to pull data. This script works fine on my computer and fine on a pi A, but not on the actual Pi B that I'm ...
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1answer
5k views

How to check ipv6?

So, I'm building hadoop cluster with raspberry right now, I need to disable ipv6 connectivity, and need to know whether ipv6 has been disabled or not. In some guide cat /proc/sys/net/ipv6/conf/all/...
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5answers
9k views

IPv6 connectivity

Is IPv6 connectivity supported on the Raspberry Pi? If yes, is it enabled by default/how do I turn it on?