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4
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1answer
548 views

What protocol is Window's v6v4tunnel implementing?

Microsoft Windows allows the creation of an "IPv6-in-IPv4 point-to-point tunnel": >netsh interface ipv6 add v6v4tunnel "My Tunnel" 192.168.1.13 209.51.181.2 My question is: what protocol is ...
3
votes
3answers
3k views

IPv6 - Public IPs, private IPs, IPs derived from the MAC address? Confused!

I'm pretty much excited for IPv6 because of the large address room and (potential?) owning of more than one IP, or even tens of IPs (/122 subnet?) Though one magazine has now confused me. In a ...
3
votes
1answer
185 views

Understanding the black magic of IPv6 addresses

my router (AVM Fritz Box) is supporting 6to4. So far it works but I want to understand what's going on. The last few hours I spent on a IPv6 book. There are many things I understand now but there is ...
2
votes
1answer
2k views

How to configure monowall to use TunnelBroker?

How do i configure monowall for IPv6 connectivity with Hurricane Electric's TunnelBroker.net IPv6 tunneling service? Note: i'll be answering the question myself; since this site is a wiki IPv6 ...
1
vote
0answers
134 views

How to access internet from HYPER-V guest machine which uses IPv6 Only?

I have Windows Server 2012 installed in my laptop with Hyper-V activated. I have a wireless network interface with which I can connect to the Internet from the physical machine as well has the ...
1
vote
1answer
159 views

How to troubleshoot lost 6to4 packets?

On my VDS, both 6to4 and Teredo seem to work poorly (packet loss is about 40%). just-ping.com shows packet loss 10%-80% both for 6to4 and for Teredo address, but 0% for IPv4 address. When running ...
1
vote
0answers
356 views

How to check if protocol 41 (6to4) is filtered by ISP without changing the network configuration?

Obvious way (just setting up 6to4 tunnel and pinging) fails because ip command seems to be read-only on my VPS: can't change any networking-related settings. So I try using raw sockets: ...
0
votes
1answer
41 views

Conntrack gets incorrect forwarding rules for outgoing protocol 41

I'm trying to forward protocol 41 (ipv6-in-ipv4) for an HE tunnel through a WRT54G running Tomato 1.28. Tomato 1.28 is running a 2.4 kernel that knows absolutely nothing about protocol 41, except that ...
0
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0answers
194 views

Ipv6 6in4 forwarding

I successfully setup 6in4 ipv6 tunnel to enable ipv6 connectivity at home using a remote linux box with a /64. The connectivity works well between the two host, but not with internet. Here is my ...