0
votes
0answers
27 views

if ipv6 fails, use ipv4

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
29 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 ...
6
votes
1answer
195 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 ...
8
votes
3answers
16k 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
689 views

How do I configure IPv4 connection to use a DNS accessible only over IPv6?

I'm trying to make my system resolve IPv4 addresses over an IPv6 connection because my IPv6 connection is more secure (yes, it really is. Long story). The IPv6 nameserver resolves IPv4 addresses; it ...
1
vote
0answers
210 views

12.04, 12.10: NetworkManager fails to autoconfigure IPv6

Yep, precisely as the subject line says. In LAN in question we've tried Mac OS X, Windows 7, Ubuntu and ArchLinux. Everything except Ubuntu (what a shame!) works flawlessly, i. e. gets an IP(v6). ...
2
votes
0answers
541 views

Stateless auto configuration IPv6 in ubuntu 12.04

I have installed ubuntu 12.04. i heard that ethernet interface automatically get a link local address but in my ubuntu box it's not getting link local address. Command ifconfig -a output Link ...
1
vote
1answer
2k views

cannot delete IPv6 default gateway

The commands below should be pretty self-explanatory. Please note that the route for which i get failure is obtained by RA and has very less expiry ( e Flag in UDAe). @vm:~$ ip -6 route ...
0
votes
1answer
702 views

How to configure DNSv6 on a LAN without internet access?

I have a LAN of IPv6 enabled hosts. I would like to setup a ubuntu as DNSv6 server for the local LAN addresses (there is no internet/tunneling stuff). I could manually edit the etc/hosts file for ...
1
vote
2answers
3k views

resolv.conf containing 127.0.0.1

I have just installed Ubuntu 12.04 on a dual-stack network (with managed IPv6 configuration). I would like to verify if the DNS resolver options received from DHCP and DHCPv6 servers are correct. ...
0
votes
2answers
214 views

Is the BCM4306 wireless card ipv6 capable?

I've been trying to connect with ipv6 enabled networks with my Broadcom Wireless card under Ubuntu 12.04. The wireless card model is BCM4306. $lspci $Network controller: Broadcom Corporation BCM4306 ...
0
votes
1answer
796 views

Internet goes on and off after updating to 12.04

For some reason I have yet to understand, when I upgraded from 11.10 (working flawlessly) to 12.04, internet seems not to work after a while and the only solutions are either to reboot or to disable ...
2
votes
1answer
356 views

IPv6 Privacy Extension does not Work in 12.04?

I have a little problem. My new Ubuntu installation become no privacy IPv6 throuth ipv6 privacy extension, whats wrong? I have read that privacy extension ist enabled per default. But why doesen't ...