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Questions tagged [ipv6-transition]

For questions about transitioning from Internet Protocol version 4 (IPv4) to Internet Protocol version 6 (IPv6); IPv6 is the successor Internet Protocol to IPv4.

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IPv4 only host on a dual stack environment

I am looking into migrating to IPv6 at my company. Our plan is to dual-stack everything for now, however, we have a couple of local servers that are IPv4 capable only. The rest of our network will be ...
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2answers
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Security implications of IPv6 tunneling over IPv4

I've read that IPv6 over IPv4 tunnels are a security risk because IPv6 traffic cannot be intercepted by Intrusion Detection Systems and Firewalls. This apparently deterred some networks to deploy IPv6....
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2answers
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Is it possible to see a Teredo IPv6 address in IPv6 neighbor cache?

Is it possible to see a Teredo address (from 2001::/32 block) in an IPv6 neighbor cache? For example, in the case of Junos, in the output of show ipv6 neighbors. As much as I tested, this is not ...
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1answer
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ISATAP configuration not working when adding hosts

I am trying to make an ISATAP configuration where two ipv6 hosts connected to dual stacked routers can communicate to each other. I have the following configuration: I have configured RIP across ...
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0answers
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How to break apart an IPv6 /56 6rd delegated prefix from ISP into multiple /64 VLANs for use with SLAAC EUI-64? [Cisco]

I have CenturyLink Internet service, and they have a 6RD IPv6 deployment where they hand out an IPv6 delegated prefix /56 block to me and allow me to use it as I wish. My Cisco ISR router receives the ...
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1answer
208 views

Translation from unique local to global unicast address

is there NAT in IPv6 for private-to-public translation like in IPv4. I know that there is a protocol translation between v4 and v6 but did not find anything about same protocol translation . Thank ...
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2answers
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What are the correct protocol versions (v4 vs v6) for packets inside DS-Lite tunnels?

I work for a company that develops Deep Packet Inspection tools. One of our customers, big ISP who has a large number of DS-Lite connected subscribers, was using our DPI engine to collect statistics ...
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5answers
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Is “IPv10” a joke or a serious RFC draft?

Internet Protocol version 10 (IPv10) Specification The name is funny (IPv4 + IPv6 == IPv10), but the actual proposal looks strange (one more packet format to battle incompatibility between packet ...
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1answer
310 views

IPv4 to IPv6 one-to-one mapping for a whole Class A range

Are there any IPv6 technologies that support translating one-to-one mapping from IPv4 to IPv6 for the whole Class A range, like 10.0.0.0/8 network to a particular IPv6/40 range? Preferably for A10 AX ...
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2answers
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How does computer in IPv4 network communicate with computer in IPv6 network

I have a Verizon cell modem that uses IPv6 addressing only. I can use it to access IPv4 addresses, like browsing the Internet. However, if I try to ping this IPv6 address on a cell modem from IPv4 ...
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1answer
47 views

IPv6 create many gateways

We want to implement ipv6 on our network as we begin to offer our customers dual stack. We offer dedicated servers and we wish to give a /64 with each server. In one vlan, we wish to have 255 x /64 ...
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1answer
248 views

Identifying teredo packets and teredo relay port

I'm trying to identify teredo packets on a network, and I'm getting conflicting information on whether or not the Teredo relay machine, which sends the actual ipv6 encapsulated traffic, listens on ...
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2answers
58 views

Transmission of Data [closed]

GOOD EVENING PEOPLE :D What is the differentiate between Basedband & Broadband transmission ?
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1answer
92 views

What does the Flow mean?

Above image explains how to communicate between IPv4 and IPv6 by tunneling.. I understand that concept by wrapping IPv6 datagram into iPv4 datagram.. But I do not understand what the 'Flow X' in the ...
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5answers
260 views

Since we ran out of IPv4 now, what does it mean for consumers?

I'm trying to understand what it means for users... Does it mean that some content will not load on websites, increasingly so in the upcoming year or so? Does it mean that certain CDNs or hostings ...
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3answers
2k views

How is NAT a hack?

Forgive me if this sounds a little amateurish, or if this is the wrong stackexchange, but...most of my entirely life I've had ipv4 behind a NAT router. I've been told that this was a hack; simply ...
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1answer
715 views

Will home networks migrate to ipv6? [closed]

So I have a rudimentary understanding of working with basic networking tools, things like using nmap to scan ports and find IP addresses on internal networks, and ssh for connecting to various devices....
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3answers
2k views

IPv4 & IPv6 IPSec differences

I am an undergraduate student where I decided to develop a firmware that would eliminate the security vulnerabilities that exist within the current technologies used. such as tunneling, translation ...
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4answers
1k views

Migration from IPv4 to IPv6 strategies

As everyone is aware we are out of IPv4 addresses and soon (if not already) we shall be moving on to IPv6. What are some good strategies and practices to migrate a complete IPv4 network onto IPv6?