2
votes
1answer
80 views

Can I use NAT64 to route public IPV6 traffic to internal IPV4?

I have a bunch of public IPv6 addresses and some services that run IPv4 only. Can I use NAT64 to connect these services? Is there another solution like a proxy or something?
0
votes
1answer
386 views

IPv6 configuration for my private network when prefix delegation is not supported by the provider?

I have a typical router with IPv4 and NAT setup. My provider sends an IPv6 address to the router, but it does not support the IPv6 prefix delegation. How can I get IPv6 addresses for my private ...
2
votes
0answers
1k views

NAT64 configuration with tayga on Debian 6

I'm trying to implement NAT64 with tayga on my server and came to a point where I'm not sure how to proceed. My server is connected via one IPv4 address and one /64 IPv6 address block to the ...
1
vote
2answers
459 views

Can a global IPv6 address be NAT'd to an internal IPv4 address at a firewall-level?

As an organisation we've just requested our first IPv6 allocation. At present we are a wholly IPv4 organisation with a global IPv4 address allocation configured on our edge router and used ...
5
votes
1answer
108 views

Running multiple services on different servers with IPv6 and a FQDN

One of the things NAT has permitted us to do in the past decade is split physical services onto different servers whilst hiding behind a single interface. For example, I have example.com behind a NAT ...
-2
votes
1answer
120 views

Route connections via an IPv6 IP address? [closed]

I have a dedicated server with a big block of IPv6 IPs. I'd like to be able to use a randomized IPv6 IP within that block and run all outgoing connections through that single selected IP. I've ...
0
votes
1answer
808 views

Teredo - how to connect to host behind NAT?

All I want to achieve is to establish connection to my simple server (written in C# using TcpListener class, if it makes any difference), on my computer which is behind NAT. It has some IPv6 address ...
6
votes
1answer
922 views

How to traverse carrier-grade NAT (large-scale NAT) to reach VPN Server? [closed]

I currently run an OpenVPN Server via a home network connection that has a single, public, dynamic IPv4 address. My provider (AT&T U-Verse) will apparently soon switch to a large-scale NAT and ...
1
vote
1answer
915 views

Managed Ethernet switch per-port MAC address translation?

Just a shot in the dark here, but I thought I'd ask in case anyone has some ideas: I've got a testing scenario where some (GUI-less/embedded) IPv6 devices are going to be temporarily plugged into the ...
3
votes
1answer
626 views

How do IPv4 only applications work on IPv6 only hosts?

Is there any way for IPv6-unaware applications to continue to work on a host with only IPv6 connectivity? The IPv4 implementation of the host could know about the problem and just encapsulate the ...
3
votes
1answer
127 views

What is the motivation for DNS64?

I'm wondering why NAT64 needs something like DNS64 at all. Couldn't an IPv6-only host, when trying to reach an IPv4-only host, just embed the IPv4 address of the target host in an IPv6 packet (by ...
7
votes
2answers
705 views

IPv6 without nat but what about an isp change?

I haven't worked with IPv6 outside of 4to6 tunneling on my home pc with stuff like GoGoNet. I've read about how it works in a general way. No NAT required (or suggested) and each client uses a public ...
32
votes
5answers
2k views

Will everyone having Globally Accessible IP's in IPv6 be kind of a security nightmare? [duplicate]

Possible Duplicate: Switch to IPv6 and get rid of NAT? Are you kidding? I'm thinking about the way that in IPv4 most of the time you have a single point to configure a firewall on, mainly ...
5
votes
1answer
352 views

IPv6 and NAT, routing to multiple ISPs

Currently I have a nice setup using private IPv4 address space and uplinks from two ISPs to the Internet. Thanks to NAT I can just take down one of the interfaces and the Internet access is still ...
1
vote
2answers
869 views

How do you set up IPv6 alongside an IPv4-based NAT configuration?

I'm looking to route all my traffic from my IPv4 NAT to an IPv6 address I have. I googled around on the Internet for a good tutorial on this, and could not find one. Right now I have my network setup ...
3
votes
1answer
1k views

Linux IPv6 Transparent Proxy (but Linux doesn't support NAT on IPv6!?)

On Linux I can make a transparent proxy simply by adding a iptables -j REDIRECT command. To my surprise, I am needing to support IPv6. Simple enough right? iptables6 -j REDIRECT command not ...
6
votes
0answers
2k views

IPv6: the end of NAT? [duplicate]

Possible Duplicate: Switch to IPv6 and get rid of NAT? Are you kidding? Is NAT going to disappear with IPv6? What about during the "transition" from IPv4-IPv6? How are we all going to ...
1
vote
3answers
799 views

Any hardware/software routers that support Full Cone NAT?

i'm trying to get Teredo to function on my machine. Most routers, it seems, refuse to forward packets from any host other than the one i specifically connected to first. Teredo requires full Cone NAT ...
3
votes
3answers
2k views

Connect to Teredo-enabled server behind NAT

I've got a Vista64 machine behind a NAT router connected to the IPv4 Internet. Teredo is enabled on my machine and I've got a IPv6 address with 2001:0: prefix. I can ping several servers in the IPv6 ...
5
votes
9answers
1k views

Do you think NAT is largely responsible for the delay in IPv6 adoption?

I'm wondering if this is really the case, or, if when IPv6 does get widespread adoption, we will still hide all the machines on a network behind a single (or few) IP address under the assumption that ...