Version 6 of the internet protocol, which will replace version 4.

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Bridged VM guest does not get IPv6 ra prefix from host

I have a similar problem and setup as described in IPv6 does not work over bridge. My host get a IPv6 prefix but the guest VM only gets a local fe80-prefix. Using tcpdump I can see that solicit ...
0
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0answers
19 views

How to make IPv6 duplicate address detection (DAD) work on Ubuntu?

I have an Ubuntu host running inet6 dhcp. This is what I configured on the /etc/network/interfaces file: auto eth1 iface eth1 inet6 dhcp up sysctl net.ipv6.conf.eth1.accept_ra=1 pre-down ip ...
0
votes
1answer
75 views

Firefox becomes very slow, showing spinning circle “connecting” for ages, ipv6 is disabled, no proxy, and disabling addons doesn't work

So I am a brand new Ubuntu user, and just getting the feel of the OS. Tried it on a friends computer, and really liked the system. Have just done a full install of 14.04 on an Asus UX32A (originally ...
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0answers
15 views

Unable to get both RA and DHCP6 address on a particular nic

My host is connected to a network that is connected to Router and DHCP6 server. radvd.conf setting on the router is given below: interface eth1 { AdvSendAdvert on; AdvManagedFlag on; ...
0
votes
1answer
119 views

How to force IPv4 on Ubuntu Desktop 14.04

I've stripped the desktop from my installation as per my last question, but it is not assigning my server an IPv4 address, there is nothing wrong with my configuration, I just need it to give my ...
1
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0answers
48 views

IPv6 network is unreachable. until reboot

I've setup IPv6 on my Ubuntu 14.04 server. Everything is working.. until all of a sudden (haven't found the trigger) a ping6 2001:4860:4860::8888 (google nameserver 8.8.8.8) returns network ...
2
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0answers
70 views

ipv6 network unreachable

Some strange problem here, I have got an ipv6 address by DHCP, however, ping ipv6.google.com gets network unreachable. Other people in the same house using windows7 has ipv6 working fine. So, there ...
0
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1answer
57 views

Trusty IPV6 is disabled, but applications are still binding to IPV6 address ports

I have set sysctl to disable ipv6: vagrant@puppet:~$ cat /etc/sysctl.d/10-ipv6-disable.conf net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = ...
0
votes
1answer
31 views

IPV6 dynamic route from DHCP

IPV6 was configured locally in my network in Ubuntu 12.04, where one of my machine runs the DHCP server and other as client. But the client was not acquiring the route from DHCP. Do we have to give ...
0
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0answers
42 views

How to make rdnssd honor DNSSL from radvd?

My radvd.conf have the following lines: ... RDNSS 2001:4860:4860::8844 2001:4860:4860::8888 { }; DNSSL domain.com.br { }; ... All Mac OSX IPv6 clients recognizes that option and my domain appear at ...
0
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1answer
92 views

ipv6 forwarding kills ipv6 connection?

Hi i'm trying to spin up VMs on public ipv6 address's. When I enable net.ipv6.conf.all.forwarding = 1 on the host it seems to kill the ipv6 connectivity root@li166-218:~# ip -6 route show dev eth0 ...
0
votes
1answer
174 views

Assigning additional labeled aliases to a single physical network interface for IPv6 addresses

Currently I am stuck trying to label the interfaces for additional IP addresses I am adding to an interface. Let's say the interface is eth0 ($IFACE), then for $ADDRFAM="inet" I can add an IPv4 ...
0
votes
2answers
168 views

IPv6 does not work over bridge

I installed Ubuntu 14.04 server a week ago. I use it as a virtual machine host (tasksel installed). meaning am running it with kvm + libvirt. I have set up the same bridge I had in 13.10. auto p4p1 ...
1
vote
2answers
811 views

Slow DNS lookup after upgrading to 14.04

After upgrading my Kubuntu to 14.04 from 12.04, I got extremely slow DNS lookup in Firefox and Thunderbird. I have checked the communications with Wireshark. Launching e.g. http://vs.hu in Firefox ...
4
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0answers
1k views

How to use “docker.io” containers in Ubuntu 14.04 with IPv6? [closed]

I'm trying this: At the physical host with Ubuntu 14.04 (container's gateway for both IPv6 and IPv4), I tried: root@docker-srv-1:~# ip -6 a a 2804:XXX:4:acbd::1/64 dev docker0 Of course, host ...
1
vote
1answer
69 views

Does nmbd binds on a IPv6-Only network?

After moving my Samba to a IPv6-Only environment, nmbd doesn't start up anymore... I tried this: interfaces = 2001:db8:1:1::/64 and with this: bind interfaces only = yes... But, nmbd doesn't ...
0
votes
0answers
90 views

Have wget fall back to IPv4 if IPv6 fails

I have a ubuntu 12.04 server that has some script that do a wget to others servers; some of those scripts starting to fail, I found the reason: the wget make a request to a remote server who only ...
0
votes
1answer
38 views

How is information passed between ipconfig and the init process at boot time

I'm trying to assign an IPv6 address to my machine at early boot time (in order to boot a diskless system over IPv6) with ip -6 addr add $ipv6/108 dev eth0 at nfs-premount. This works fine, but as ...
3
votes
1answer
2k views

How to disable ipv6 in ubuntu 14.04

To disable ipv6 I have open /etc/sysctl.conf using gedit and paste the following lines at the end of sysctl.conf. net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 ...
2
votes
1answer
2k views

How to disable IPv6 when connecting to an OpenVPN server using Network Manager on a dual-stack system?

I'm using the OpenVPN client through the OpenVPN Network Manager plugin on a dual stack (meaning configured both for IPv4 and IPv6 connectivity) Ubuntu 13.10 to redirect all traffic through the VPN ...
1
vote
1answer
97 views

Set primary IPv6 address

I've got a /64 of IPv6 addresses available to one of my servers (Ubuntu 12.04). I'm binding them like this: auto eth0 iface eth0 inet static address xxx.xxx.xxx.82 netmask 255.255.255.248 ...
12
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0answers
291 views

Diskless Boot with IPv6

at our work we are using around 80 diskless machines running Ubuntu. We want to make the transition to IPv6, so now I'm trying to get our diskless system to work with IPV6. The transmission of the ...
1
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0answers
70 views

There is a problem about ipv6 on Ubuntu13.10 wireless

I’m a novice of Ubuntu. There is a problem about ipv6 on Ubuntu. My wireless supports ipv6, at the first time, I can’t connect to the ipv6 either win7 or Ubuntu 13.10.! When I use Norton to trust this ...
8
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3answers
982 views

How to make Ubuntu honor “ignore-hosts” proxy settings for IPv6?

I just typed under "dconf-editor", System → Proxy → ignore-hosts, the following content: ['localhost', '127.0.0.0/8', '::1', '192.168.0.1', '2000::/3', 'fc00::/8'] But, Google Chrome (and apt-get ...
0
votes
1answer
201 views

sudo apt-get update/ failed to update [duplicate]

I just installed Ubuntu 13.10 saucy salamander. When I try sudo apt-get update and I get the response Err http://extras.ubuntu.com saucy InRelease Err http://archive.canonical.com saucy ...
1
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3answers
937 views

How to add two IPv6 dns-nameservers into /etc/network/interfaces?

With IPv4, I can add two DNS Name Servers without any problem, like this: "dns-nameservers 8.8.4.4 8.8.8.8" Then on my resolv.conf I got: nameserver 8.8.4.4 nameserver 8.8.8.8 BUT, it does ...
-1
votes
1answer
441 views

How to enable ipv6 support in linux system [duplicate]

I am trying to enable ipv6 support to my linux system. Im trying to modify /proc/sys/net/ipv6/conf/all/disable_ipv6 this file but system is not allowing to do so.
0
votes
1answer
173 views

whois with IPV6 support

I just tried a whois on an incoming IPV6 address. the whois program recommends upgrade. but to what? I already have the latest version int he repo. is there a different program for IPV4/6 client ...
7
votes
1answer
290 views

How to disable NAT for IPv6 (NAT66)?

The current Ubuntu LTS does not support NAT tables for IPv6 (i.e. there is no ip6tables -t nat), and I'm fine with that, in fact, a NAT-less environment is the "core" of my networks. But, the next ...
0
votes
1answer
695 views

native IPv6 setup

I got following information from my provider: Range: 2a00:1630:2:801::/64 Gateway: 2a00:1630:2:800::1 Netmask: /56 My config file: iface eth0 inet6 static address netmask 56 gateway ...
-3
votes
1answer
313 views

Errors with VPS.ME Free

I need your help. I'm a total noob about Linux, thats why I need you to help me by telling me what to do, step by step. My problem is that I have only IPv6 from vps.me hosting and I want to ...
0
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2answers
35 views

How can I decide whether I care about a kernel vulnerability related to IPv6?

I've got some Ubuntu 10.04 and 12.04 systems that have an inet6 (IPv6) address. However, our firewall is configured to deny all and some pass rules are added for inet (IPv4) addresses. Do I need to ...
2
votes
1answer
2k views

Can't upgrade procps on 12.04

If I'm performing apt-get upgrade I get the following error: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: ...
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0answers
245 views

Why does the Ubuntu IPv6 Torrent tracker not track any releases newer than Ubuntu 12.10? [closed]

The Ubuntu IPv6 BitTorrent tracker (http://ipv6.torrent.ubuntu.com:6969/announce) does not track any releases newer than Ubuntu 12.10. When trying to announce e.g. ubuntu-13.10-desktop-amd64.iso, the ...
0
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0answers
89 views

correct /etc/network/interfaces config for a tun6to4

I am trying to get the following in /etc/network/interfaces: ip tunnel add tun6to4 mode sit ttl 254 remote 77.111.111.200 ip link set dev tun6to4 up ip addr add 2001:aaa:bbb:1::1/64 dev tun6to4 ip ...
0
votes
1answer
224 views

OpenVPN - Cannot browse ipv4 websites

I have set up an openVPN tunnel on my VPS (OpenVZ - Ubuntu 12.04). The problem is when I'm connected to the vpn, I can only browse websites which support ipv6 like google. Ipv4 sites aren't loading ...
0
votes
0answers
107 views

SLIP interface doesn't send datagrams to upper layers

I'm testing an IPv6 stack implementation for embedded systems. My embedded plaform is connected to an Ubuntu 13.04 machine through RS232 over USB. To test the stack, I'm trying to ping the platform ...
1
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0answers
564 views

How to set ubuntu to reach DNS server through IPv6

I have the following setup: Ubuntu 13.04 with wired connection to router and Debian server running in VirtualBox under Ubuntu (with bridged network adapter). I installed and configured Bind9 on ...
13
votes
3answers
37k views

How to disable IPv6 on Ubuntu?

I disabled IPv6 on an Ubuntu box which has ssh and rsync running. But both of these are still listening on an IPv6 address. How should I fix this? root@box.com:~# sysctl ...
0
votes
1answer
3k views

Curl with ipv6 not working by default [closed]

I am trying to curl ipv6 adresses, but without success. If i try lets say: curl https://google.com I wait for a timeout and get network unreachable If i force ipv4, everything is fine. ...
1
vote
0answers
261 views

Boot problem 13.04 IPv6 [closed]

If i boot my ubuntu 13.04 this happens. It just stops booting. If i go in recovery mode and boot out of that it just behaves normal. Do you guys have any suggestion how to fix this? I got a dualboot ...
4
votes
1answer
809 views

Problems with updating Ubuntu

when i call sudo apt-get update the process stops at 98% [Connecting to security.ubuntu.com (2001:67c:1562::15)] and nothing else happens. i've already done this because of the IPv6 problems reported, ...
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votes
1answer
2k views

mount.nfs: Failed to resolve server,Address family for hostname not supported error message while mounting ipv6 address [closed]

mount.nfs: Failed to resolve server fd50:973:3783:49d:c8de:a90a:901f:9c12: Address family for hostname not supported
2
votes
3answers
3k views

Trying to enable IPv6 results in a “No route to host” error

I'm configuring a dual stack network on a KVM server using static IPv4 and IPv6 addresses furnished by my provider. I input all addresses, nameservers and gateways as required when installing Ubuntu. ...
3
votes
3answers
2k views

Disabling IPv6 on a single interface

I'm slightly weirded out by the fact that Ubuntu won't process ipv4 DHCP unless you explicitly tell it to, but will happily take ipv6 RAs unless you tell it not to. Is there any way to change the ...
12
votes
3answers
27k views

How to disable IPv6 permanently?

How can we disable IPv6 system wide via terminal commands? I've read editing /etc/modprobe.d/aliases and replacing: alias net-pf-10 ipv6 with: alias net-pf-10 off alias ipv6 off Is this safe ...
1
vote
1answer
514 views

How to delete inet6 Link address automatically?

There is an inet6 addr on the eth0 interface: eth0 Link encap:Ethernet HWaddr 00:0c:29:d9:46:f5 inet6 addr: fe80::20c:29ff:fed9:46f5/64 Scope:Link UP BROADCAST RUNNING ...
3
votes
1answer
357 views

IPv6 autoconfig isn't working on 13.04

I have several computers with various operating systems on my LAN, and one of them with Ubuntu 13.04 64 bit, is the only box that can't autoconfigure itself an IPv6 address. rdisc6 times out on it, ...
3
votes
1answer
388 views

How to enforce IPv6 source address selection with addrlabel at startup?

I have a system with a primary IP address of 2001:DB8:1::1/64. This IP is achieved via stateless auto config and is static for our purposes. This system has a routed IP block of 2001:DB8:2::/64. I ...
1
vote
1answer
1k views

No answer section using dig

I've got an assignment from school to setup a DNS server with 2 name servers in ubuntu server using IPv6, but I'm not very good at it. When I use the dig command, It doesn't show an answer section. ...