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11
votes
3answers
3k views

How to prevent delays associated with IPv6 AAAA records?

Our Windows servers are registering IPv6 AAAA records with our Windows DNS servers. However, we don't have IPv6 routing enabled on our network, so this frequently causes stall behaviours. Microsoft ...
0
votes
1answer
522 views

IPv6 6to4 on Windows Server

I'm looking for a relatively simple guide to setting up an IPv6 tunnel properly. This network currently has a server (Windows Server 2008R2) running RRAS that establishes connectivity to the internet ...
0
votes
3answers
2k views

6to4 behind NAT

I've got problem with 6to4 tunnel on Ubuntu. My PC's public address is 178.42.231.125, my pivate address is 192.168.100.10 Configuration of tunnel: ip tunnel add 6to4 mode sit ttl remote any local ...
1
vote
1answer
800 views

MikroTik ipv6 Tunnel

I've got a MikroTik router set up with the latest stable OS on it, and I just set up an ipv6 tunnel with Hurricane Electric, but I'm having an odd issue with it. I can't ping anything until I first ...
2
votes
1answer
3k views

How to allow 6to4 through iptables firewall?

Im trying to allow 6to4 though my ipv4 firewall on Debian 6 (Squeeze) but without much luck, it seems most of the syntax used by other OS's isn't quite supported in Debian's iptables. I'v tried: (I ...
3
votes
2answers
2k views

6to4 tunnel: cannot ping6 to ipv6.google.com?

Follow the Setup of 6to4 tunnel guide, I want to test ipv6 connectivity, but I cannot ping6 to ipv6.google.com. Details below: # traceroute 192.88.99.1 traceroute to 192.88.99.1 (192.88.99.1), 30 ...
0
votes
1answer
513 views

Connectivity between IPv6 Teredo host and IPv6 6to4 Host

I have two computers. Host 1 is a Debian machine running Miredo (Terido client) inside of a VirtualBox VPN. The VM host is running under a private IP address space (192.168.0.0). Host 2 is an ...
0
votes
2answers
155 views

Only 6to4 addresses are accessible via 6to4 interface

I have a configured 6to4 interface. I can communicate with any other 6to4 host (2002::/4), but not with other hosts, packets just seem dropped. I've tried several configurations and OSes so I think ...
5
votes
2answers
1k views

6TO4 Windows 2003 DNS

This is puzzling me a bit. We are running server 2003 DNS/DHCP and normally we disable IPV6 on the client end. But I have just noticed with windows 7 and server 2008 R2 if I disable IPv6 then it ...
3
votes
1answer
979 views

How do I configure reverse DNS for a 6to4 site?

I'm using 6to4. How do I configure reverse DNS for my site? It's a Linux server, I'm using freedns.afraid.org and am not running bind.
1
vote
1answer
165 views

How do I secure a 6to4 link?

What firewall settings should I add to my (Linux) 6to4 tunnel to prevent harmful IP address spoofing?
0
votes
3answers
3k views

Forwarding protocol 41 (6to4) to a Linux box?

I have a Linux router without an ipv6 stack and a Linux host inside the NAT. How do I use iptables to forward 6to4 traffic back and forth between the NAT router and the host and then configure the ...