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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1answer
13 views

How to deal with Dual-Stack Lite and incoming connections

My ISP (german cable ISP Unitymedia) forced me to use DS-Lite / Dual Stack Lite because he ran out of IPv4 addresses. Common problems with that setup are: interrupted connections (i.e. in online ...
2
votes
1answer
39 views

IPv6 only LAN with NAT64 router for Internet

I want to disable IPv4 on my LAN and run only IPv6. I will use a NAT64 Juniper firewall to provide Internet access since I only have IPv4 Internet. Will this break applications? Will I be able to ...
10
votes
6answers
57k views

Why do I get “General Failure” when pinging host name on a Win 7 node on the network?

This is a very peculiar problem with a station on our network. The client pc is running Windows 7 Pro. What makes this problem interesting is that this client is the only node on the network that ...
0
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0answers
15 views

Win8.1 machines have trouble browsing each other occasionally

I've got two Win8.1 machines. One is a desktop connected to the (dd-wrt) router through an ethernet cable, the other is a laptop that connects over wifi. Both can ping each other just fine through ...
81
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1answer
5k views

Strange dotless decimal notation of IP address… How does it work?

Earlier today I thought I had a URL in my clipboard, but I actually had four 9 digit integers copied from a spreadsheet, which were identification numbers from a proprietary system. Completely ...
2
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2answers
79 views

Is it possible to change my IPv4 address?

At home, when I type in ipconfig in the command line, I would find that my IPv4 address is 192.168.8.x. However, at office, when I type in ipconfig in the command line, the IPv4 address is ...
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0answers
18 views

Failed Wireless

Sorry i'm not good with computers so my tech. talk is limited. I have a presario CQ62 Notebook PC. 64 bit: Yesterday I went to the local Library to use some free internet. When I returned I could no ...
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0answers
18 views

Use rtpproxy as a NAT on openIMSCore

I have some problems, I want to ask about rtpproxy and OpenIMSCore server. Actually I want to make IMS running like this: client IPv4 -- > OpenIMS <-- ipv6client. I want to use RTPProxy as NAT, so ...
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2answers
35 views

Is there any chance to reassign an IP address assigned to a city to another city/region

Is there any chance to assign an IP address that previously assigned to another system in another city. Or it's fixed for a specific region/city. Suppose my current ISP assigned 106.52.214.255. When ...
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2answers
61 views

Can IPv6 traffic pass over an IPv4 network? [closed]

Consider the case where there are 2 computers using the IPV6 protocol that want to communicate with each other, and the packet(s) must pass through a network that uses the IPV4 protocol. Can the ...
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votes
4answers
2k views

Does disabling IPv6 decrease my surface area of attack and increase performance?

I have colleague that is on this whole kick of disabling IPv6 while leaving IPv4 on each new machine that comes in before deploying in our environment. He takes his personal anecdotal evidence and ...
1
vote
1answer
45 views

What is the difference between IPv4 and IPv6 in terms of binary?

I know this question is for entry level users. That I am. New to this world and finding it very interesting. I have done some research on IPv4 and how to convert IP addresses to binary and vice versa. ...
1
vote
1answer
68 views

LAN and WLAN networks under same IP range

I'm a newbie in network stuff and haven't enough knowledge to do what I'm wanting for now, so I need your help, please. I've two networks, a wired and another wireless. The wired one is between two ...
1
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2answers
79 views

Doubt In default time to live (TTL) 255?

I know that,The Default Time to live value is 255, each time a ipv4 packet crosses a router that value is decremented by 1. But,When I ping my adsl router it shows TTL as 64 Pinging 192.168.0.1 ...
0
votes
1answer
152 views

Dynamic DNS for both IPv4 and IPv6 (using freedns.afraid.org or others)

I want to set up dynamic DNS on my Fritz!Box 7490, so that it is reachable both on IPv4 and IPv6. Note that I want to reach the Fritz!Box itself, and not a computer behind it. The scenario is that I ...
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0answers
13 views

Block IPv4 peers in deluged?

Is it possible to block all IPv4 peers and allow only IPv6 peers in deluged? Or can I modify torrent file to accept only IPv6 peers?
1
vote
1answer
66 views

How to get network ip address via windows command prompt?

How to get network ip address via windows command prompt? I know tat ipconfig /all shows ip configuration, but what about having just ipv4 adress?
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2answers
109 views

Unable to ping broadcast address

Host address: 192.168.0.13 Network: 192.168.0.0 255.255.255.0 Router: Cisco DPC3825 DOCSIS 3.0 Gateway (user manual) My home network uses the 192.168.0.0 /24 network for my (mostly wireless) ...
0
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1answer
35 views

Ways to differentiate between home and office private network

Let us consider there are two networks 1) home network and 2) office network. I have an application which will get the system IP and MAC Address of the installed machine while launching the ...
4
votes
1answer
176 views

Why does writing IP addresses this alternate way work, and is there a practical use case for it? [duplicate]

Recently I saw an incorrectly typed telnet command, and I saw that "regular" numbers were interpreted to IP addresses. I tried this myself in Windows and the same behavior is shown there, so obviously ...
3
votes
2answers
95 views

How does the separation between IP addresses on the internet and on the LAN work?

Complete newbie question: Say for example the address: 8.8.8.8 How does the computer know that this address is on the internet, not the local network? Could a device on the local network have the ...
1
vote
1answer
543 views

IP, Gateway and DNS changer [.bat Win7]

I have a batch file that I use on my WinXP SP3 (I found it on the net and it worked). SWiTCH TO CONNECTION 1 @ECHO OFF set varip=192.168.0.118 set varsm=255.255.255.0 set vargw=192.168.0.1 set ...
4
votes
1answer
50 views

VirtualBox not allowing me to modify IPv4 Network Mask?

I use Oracle VM VirtualBox to run a web server on my machine. I had it set up and working perfectly for a while. For the past few months it's been prompting me to update, and I finally gave in and ran ...
0
votes
1answer
33 views

Is there a command that allows me to set a prefered IP Address for an adapter? [duplicate]

I've got some customers who should use a specific IP in their network adapter, but manually setting it is a pain sometimes. So I would like to know if there's a shell command / batch that allows me to ...
0
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0answers
449 views

No DNS requests in Windows 7, nslookup works, ping and tracert can't resolve

I was trying to bring my old desktop computer back from the dead and faced a problem I couldn't deal with. The main issue is what I've written in the title - nslookup works, ping and tracert give a ...
0
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0answers
130 views

APIPA (169.254.*.*) being assigned even with DHCP off in Windows 7

I've one eth interface on my home Computer which has two IPv4 addresses assigned. I use static addressing not DHCP. I am not assigning the 169.254.. manually, it's being assigned by something in my ...
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votes
2answers
26 views

Old Public IP has past owners DNS name

I have a new IPv4 address and every DNS Resolver site tells me that my DNS name is toponscapital.com. What can I do to at least change this?
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votes
1answer
242 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?
4
votes
3answers
93 views

IPV4 address changes so it's hard to host a server. How do I change this?

I have a laptop and I am hosting a game server at the moment at home. Now, my problem is while port forwarding I have to add in my IPv4 address while port forwarding. My laptop is connected with WiFi ...
0
votes
1answer
147 views

How to route to public IP addresses from NAT where gateway is in subnet of target public ip addresses

I have the following scenario which is giving me fits. I have a block of IP addresses on a .248 subnet. The service is Comcast, and the modem uses IP addres ending in .246. On the router for my ...
24
votes
7answers
25k views

Is there any benefit to using IPv6 on my home network?

I know that IPv6 is the future because there is only 4 billion IPv4 address, but on a home network, you are not going to have 4 billion users. So are there any other benefits that would make IPv6 on a ...
0
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2answers
88 views

Two routers for two subnets

I have the following configuration: my laptop connected to router #1 (ASUS RT-N66U, let call him R1) using wireless connection. Laptop's IPv4 address is 192.168.1.143 (DHCP allocated) (LAN options on ...
0
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1answer
53 views

Enable IP(v4) forwarding on Linux Mint

How do I enable IP forwarding on Linux Mint? When typing the following commands in the terminal as superuser I got the following output: DALEK zermacr0yd # sysctl net.ipv4.ip_forward ...
0
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2answers
197 views

IPv6 connection through IPv4 network without internet-connection

I'm working at a project at my university and now the following problem shows up: We got a Server [Server] with a private IPv6 network. Some sensors (temperature, humidity...) are connected through a ...
0
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1answer
55 views

Addressing computers via ipv6 on local network [duplicate]

I'm very confused about how to address a computer on my local network via ipv6. I am writing a server which is meant to support both ipv4 and ipv6. Now I have don an ifconfig and gotten my ipv4 local ...
1
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1answer
71 views

How do I configure NAT to forward external requests?

I have three Raspberry Pi's connected to Linux machines and one computer connected to a router which is connected to the Internet. My goal is to configure each Raspberry Pi so that they can ...
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0answers
38 views

How do I configure NAT to forward external requests?

I have three Raspberry Pi's connected to Linux machines and one computer (also a Linux machine) connected to a router which is connected to the Internet. My goal is to configure each Raspberry Pi and ...
1
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1answer
60 views

Disable IPV4 on one interface using CMD

How can i make the same ad unchecking box IPV4 on internet connection properties, but using CMD, netsh, or sth. what i can put in .bat file?
0
votes
1answer
110 views

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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votes
2answers
114 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 ...
0
votes
1answer
81 views

Accessing Apache sites on Macintosh (Snow Leopard) using internal IP address of machine

I am trying to access web sites on my Mac. If I use http://10.0.1.3/index.html then I get a web page with the following error on it: Forbidden You don't have permission to access /index.html on ...
0
votes
2answers
82 views

Network Redirect off subnet for Synergy in hosts file

Perhaps I'm off the right track here, but I'll describe what I'm trying to do first generalized and then why I want to do it. General Case I'm looking to redirect a specific IP address on a single ...
0
votes
1answer
436 views

OpenVPN 4in6 or 4over6 tunnel

My ISP sucks. It gives me an IPv6 Address and an IPv4 one, but IPv4 is down 50% of the time (I can't access any IPv4 Services every 10 minutes)... As I already have an OpenVPN Server set up, I asked ...
0
votes
1answer
378 views

How to set up a IPv6 to IPv4 gateway for VPS [closed]

Condition IPv6 and IPv4 enabled VPS IPv6 and IPv4 enabled Client(Could be PC or Mac) Problem Client get restricted IPv4 connection whereas IPv6 connection is unlimited. Solution Client connects ...
1
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1answer
604 views

Can't access my shared folder by ipv4, only ipv6 and name

How to make possible to access to shared folder on win7 machine by ipv4? as my linux machine needs it. The problem is in fact that i can't access by ipv4 to this folder even from this win7 computer, ...
5
votes
1answer
14k views

How to force Java to use IPv4 instead IPv6?

My Java browser plug-in is no longer working. When I open a page that has a Java element, Java cannot connect to the server. After investigation, I found that Java was trying to use IPv6, while my ...
0
votes
1answer
180 views

One public IP for dedicated server - a few VPS with the same IP?

I bought a dedicated server. To him I got a single public IPv4 address. On this dedicated server I installed the latest version of VMware ESXi hypervisor. With the help of the hypervisor, I plan to ...
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3answers
1k views

Should I use a static IP address? If so what kind?

Last night I managed to get my local PC running as a server using port 80 and my IP address. After restarting my machine it stopped working. I was told I need to make a static IP address. My ...
0
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1answer
166 views

Is it possible to configure a static IP alternative for all adapters using the registry?

I was reading the alternative configuration documentation, and thought I'd try to setup a fallback static IP to simplify my setup: ...
1
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1answer
81 views

In tspc ipv6 tunnelling, does tunnel broker required for ipv4 to ipv4 communication?

I am new in embedded systems and trying to add support the ipv6 network availability in my new product but I have understood that, First of all, My system is connected to IPv4 ISP and I want to ...