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.
42
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Unable to connect to Raspberry pi 4 using ipv4, ipv6 or hostname [closed]
I have klipper running on a raspberry pi 4 with raspberry pi os lite 64-bit headless. Up until yesterday, I was able to access the pi using ssh with ipv4 or the hostname but for some reason today I am ...
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1
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449
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How to disable IPv6 in bookworm using `nmcli`?
I have an RPi 3A+; it has the 64-bit bookworm installed.
I've noticed some odd behavior recently. For example: when I logout of the RPi3A+, and after some time passes, I cannot log in again! When I go ...
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50
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How do I block access to my Raspberry Pi outside of Pivpn Wireguard VPN?
I am running a PiVPN Wireguard installation on my Pi. I have multiple docker services running on the Pi as well. My setup works. I can connect to my VPN and access all the services.
The problem is ...
- 51
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34
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Raspi not using IPv6-Interface-ID defined in router settings
I'm trying to make my raspi available via dyndns over IPv6. I have the whole dyndns thing setup in my router and it works.
When trying to make the raspi itself available I can open up ports in my ...
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2
answers
135
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Dhcpcd not assigning IPV6 address to LAN Interface
I am trying to use Raspberry Pi Zero 2 W as an IPV6 router . I have a usb wifi adapter (Interface Wlan1 ) facing wan . The inbuilt wifi (Wlan0) is facing LAN with hostapd running on this interface .
I ...
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0
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283
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How can I change from IPv6 to IPv4 when connecting to VNC server?
I am taking a mechatronics class in college and am using a Raspberry Pi 4. It was working fine till last week but this week it wont connect to the vnc server.
I am able to enter the ping raspberrypi....
1
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0
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97
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Can't ping/wget hostnames resolving IPv6 adresses
This happened after a router restart.
I noticed the issue when I ssh'ed to my homelab server.
The custom welcome script hangs on:
`hostname -I | /usr/bin/cut -d " " -f 1` and `wget -q -O - ...
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1
answer
335
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Python requests is too slow with certain WI-FI connection
I'm working on a TTS app using AWS Polly in Raspberry PI 3 B+ and when I post a text using Python requests it take a long time receive the response, around 16-17 seconds. This happens only with a ...
- 111
1
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1
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340
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Why isn't my IPv6 address changing with privacy extension enabled?
My /etc/issue says that I'm working with Debian GNU/Linux 11 on my RPi.
I have enabled IPv6 and I received a Link-local address that was a derivative of the MAC address. After that, I put slaac ...
- 119
1
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1
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848
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ICMPv6: NA: <MAC address> advertised our address <IPv6 address> on <iface>!
I have a Pi Zero W running Raspbian 11. It is connected via WiFi. I am using dhcpcd to configure my interfaces (the official method IIUC) with the default config file. I have a DHCPv4 and v6 server ...
- 121
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141
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Raspberry only response to IPv4 ping
I have a Raspberry 4. It is setup with the Raspberry OS. Everything works fine. No errors. But there is still one issue and i am not sure by what it is caused.
I found out the IP-adress of my ...
- 101
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2
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2k
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IPv6: disabled Privacy Extensions in dhcpcd.conf not respected [closed]
I just fired up my Raspi 3B+ again for a little server reachable from the internet via IPv6. I installed the latest Raspberry Pi Os Lite Version using the Raspberry Pi Imager: It installed Raspbian ...
- 19
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747
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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....
- 1
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1
answer
324
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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. ...
- 119
2
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1
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466
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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 ...
- 41
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255
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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 ...
- 101
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1
answer
2k
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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 ...
- 68
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1
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67
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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 ...
- 121
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1
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2k
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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 ...
- 11
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1
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721
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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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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 ...
- 31
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253
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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 ...
- 109
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407
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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.
...
- 11
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2
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1k
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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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3
votes
2
answers
2k
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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.
...
- 137
1
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1
answer
171
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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 ...
- 131
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1
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1k
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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 ...
1
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0
answers
103
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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 ...
0
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0
answers
584
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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 ...
- 221
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1
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2k
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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 ...
- 171
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0
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353
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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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3
answers
3k
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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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1
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418
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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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2
answers
440
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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. ...
- 21
2
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1
answer
583
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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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1
answer
5k
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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 ...
- 683
-1
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1
answer
209
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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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1
answer
1k
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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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5
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24k
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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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2
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1
answer
537
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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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1
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6k
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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/...
38
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6
answers
11k
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IPv6 connectivity
Is IPv6 connectivity supported on the Raspberry Pi? If yes, is it enabled by default/how do I turn it on?
user13