Refers to the 4th revision of the Internet Protocol, where addresses are usually displayed in the form: 192.0.2.235

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Setup IPv6 over IPv4 tunnel in VPN

Let me explain my szenario: I have a linux server A. A is reachable in a VPN. So if I am connected to the VPN over Internet I can successfully ping A. Server A is connected to a Router B. Router B ...
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1answer
52 views

Obtaining Iptables info using a script

I have an iptables rule and I have to write a script that gets the numbers of packets and bytes target for that rule. I know that that command iptables -L -v -x shows that info, but I don't know how ...
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1answer
120 views

IPv4 address to Netmask mapping and Multiple default routes feasibility?

We have, Class Range NetMask Bits Bits hosts# ---------------------------------------------------------- A 0-127 255.0.0.0 8 24 16777216 (i.e. ...
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364 views

Windows 7 64bit, great signal strength IPv4 & IPv6 can't connect

For some reason I can't connect to the internet with my wireless card (internal) on my PC, I am connected just fine on my laptop. It says my signal strength is good but both my IPv4 and IPv6 can't ...
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3answers
59 views

Static IP without a static IP

I need my network to have an external facing IP address that is static. My ISP will not provide me with one. I know I can use use DDNS to achieve this in a way. I want to setup an Exchange server ...
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2answers
2k views

IPv4 address changes automatically

I run a website on my computer using XAMP. It runs on port 8888, when I configure the port I need complete this ip: 10.0.0._ to my IPV4 which is 10.0.0.4 right now. I don't know why but my IPV4 is ...
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1answer
278 views

I can not see ipv4 and http, I can just see ipv6 and SSDP [closed]

I have a real huge problem, when I am connected through the wireless of my university, I can just see adresses like this : 1823731 14856.287768 fe80::74b6:2d79:4343:41e1 ff02::c SSDP ...
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2answers
136 views

How to Get the size of IPv6 header? [closed]

I know there is IHL field in IPV4 which is Internet Header Length.Since an IPv4 header may contain a variable number of options, this field specifies the size of the header. But there is no IHL or ...
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1answer
157 views

Why are we still stuck on IPv4 when we are IPv6 ready? [closed]

With IPv4 finally just about out, why is it so hard to switch over to IPv6? My entire home network is IPv6 and the switch over was easy. Is it a hardware problem that keeps IPv6 from taking off? From ...
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2answers
921 views

Comcast Speed test slower performance on the IPv4 test than on the IPv6 Test

I have two computers. On one I get the same performance result for both IPv4 and IPv6. On the other I get slower (about 50%) on IPv4 than on IPv6. Why? Is there a config to change it?
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1answer
58 views

Are IPv4 and IPv6 incompatible? [closed]

Are IPv4 and IPv6 incompatible? Can they be perceived as 2 different internet layer protocols? If yes, what are the significant differences which make them incompatible?