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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SSH tunnel in Ubuntu

How do I create a ssh tunnel in Ubuntu that is persistent? I have tried a lot of ways but I haven't gotten it to work.
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1answer
407 views

Windows IP conflict after setting Static IP

I am having troubles setting my static IP address. I double check all of my default settings and tried to make my IP static. Here is what I entered I have tried various different IP addres ...
2
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1answer
460 views

Using router public IP to access another (located in WAN) router behind NAT

I have following setup: at home I have a router up and running with public ipv4 ip at my country house I have ipv4 cam and router which is behind NAT - no public ip (public ip is too expensive) both ...
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1answer
2k views

Throttled download speeds on new router with Comcast (ipv6 vs ipv4)

Issue with Comcast cable on Linksys or Cisco routers (and others) involving throttled download speed on ipv4. I recently upgraded my internet service to 100+ Mbs and also upgraded my router to ...
2
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1answer
218 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 ...
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4answers
6k views

Ping myself, works with ipv6 not ipv4 in Windows 7

I've tried to solve the following problem with no luck and I need some proffesional help. The following is possible: Ping all computers (that I tried) in the domain without problem. Ping myself ...
2
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1answer
423 views

Prefer IPv6 over IPv4 in Windows Server 2003

I am running Windows server 2003 and my Firefox browser keeps using IPv4 instead of IPv6. Well at least http://ipv6-test.com/ says that my browser uses IPv4. How can I force it to prefer IPv6 over ...
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2answers
119 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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2answers
384 views

Should I get a gigabit router with or without ipv6 support? [closed]

I'm in the process of getting a gigabit router so i can transfer files faster to and from my Lacie Network Space. I found a gigabit Router. Its performance is really good, however it doesnt support ...
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5answers
13k views

How can I figure out what IPv6 to use if I want to set a static IP for my computer?

I recently installed Windows Server 2012 on my desktop. I changed my connection settings to hardcode my internal IP address as 192.168.0.99 (IPv4). Windows Server 2012 warned me that I should also set ...
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2answers
439 views

How to find the network address of a given subnet?

How do I find the x th subnet of X.X.X.X /XX (300 th subnet of 172.16.0.0 /29)?
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3answers
1k views

IPv4 forward on windows?

Is there anything that can forward/redirect all incoming traffic to another ip. Basically I'm looking the windows equivalent of ip forwarding in linux. echo "1" > /proc/sys/net/ipv4/ip_foward
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1answer
115 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 ...
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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 ...
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1answer
2k views

Optimal setting for advanced parameters for Realtek PCI-e GBE family network card

superusers. I am trying to get the best possible setting for my Realtek PCI-e GBE family controller network card so that when it will be literally minimal or zero lag when playing online game. ...
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2answers
38 views

Definition of 'send_redirect' in Linux IPv4 context

I've encountered these two lines in a script: echo "1" > /proc/sys/net/ipv4/ip_forward/ echo "0" > /proc/sys/net/ipv4/conf/eth0/send_redirects The first line switches on ip forwarding, which ...
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1answer
92 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. ...
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1answer
1k views

How do I access IPV6 from IPV4?

I have been searching for a long time ipv4 to ipv6 proxy program but i nothing found... Currently i have IPv4 address however i would like to try IPv6 address. Is there a simple solution for IPV6 ...
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1answer
416 views

What are the equivalent IPV6 versions of IPV4 special-use adresses?

I'm trying to make a private network with 5 computers bellow an external ADSL router with NAT, but internally I want to use IPV6. To do this I need to use private special-use IPV6 addresses, such as ...
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2answers
605 views

How often is IPsec used in IPV4 networks?

If I disable it on my computer will I lose anything?
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2answers
42 views

How to extend ipv4 addresses to 64 bit? [closed]

I know that ipv4 addresses are 32 bits. But is it possible to extend the ipv4 addresses to 64 bit from 32 bit?
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2answers
87 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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1answer
203 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 ...
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1answer
1k 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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1answer
178 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?
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1answer
768 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 ...
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1answer
132 views

IP Routes - Route Mapping

I've been reading up on static routes and such while studying for my next MS exam, and am wondering - in CMD, if you do a route print -4 you get a Active Route Output such like this: Destination ...
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2answers
10k views

How can I make localhost resolve to 127.0.0.1 instead of ::1?

When I ping localhost the address resolves to the ipv6 loopback of ::1 My MySQL and Apache installations expects the ipv4 address of 127.0.0.1 How can I configure my WindowsXP to resolve localhost ...
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1answer
41 views

Different servers on the same port ipv4 / ipv6

Say I have two TCP servers A and B. A is an ipv4-only server listening on 127.0.0.1:10000. B is an ipv6-only server listening on ::1:10000. Can I start these on the same machine? That is, how are IP ...
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0answers
55 views

Why doesn't my DNS change propagate within the TTL?

Why isn't my DNS propagating correctly? It has a TTL of 3600 seconds, 1 hour, yet it is still resolving to an old IP. It's been at least 10 hours! http://www.onlinedig.com/go-dig/ C:\>nslookup ...
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1answer
116 views

NAT in local IPv4 to extern IPv6

I have a cable router with an outgoing IPv6 address. In my lan I have IPv4 addresses. I want to access to my local server from internet. I am not familiar with IPv6, is there something like NAT? ...
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0answers
43 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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1answer
103 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
64 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 ...
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0answers
509 views

Why is my computer suddenly using NBNS instead of DNS?

I have a Windows 7 laptop which I regularly use to access wireless internet when traveling. Normally, everything connects and functions as expected, but as of 4 days ago, I have noticed that I am ...
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1answer
966 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 ...
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1answer
7k views

Windows 7 ipv4 autoconfiguration - cannot connect to internet

I get my internet connection from a guy (lets call him my service provider henceforth). He gives internet connections to many students here in my hostel. My PC gets a private IP through his DHCP ...
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0answers
37 views

IPv4 Considerations for a Cloud-based future [closed]

I'm re-doing a small company's IP scheme / netdesign for their LAN. They are growing fast, with many branch offices opening soon. It's a mostly flat 192.168.1.x/24-ish out-of-the-box network. There ...
1
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1answer
599 views

strange characters in DNS Suffix

I have some strange characters in my DNS Suffix. I have removed these strings from registry and attempted to fix this in many other ways. Does anyone here have an idea of what I could do to fix this. ...
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0answers
723 views

IPv4 not enabled in Windows 7

I have a Netbook with Win 7 Starter edition. I am not able to get IPv4 enabled/installed in the Netbook and hence not able to network/connect to Internet. It says "Limited access" when I check ...
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2answers
1k views

Can't ping Linux IPv6 address from Windows XP

I gave an IPv6 address to my SUSE Linux machine on a VirtualBox VM with ifconfig eth0 inet6 add ... I can't ping that address from Windows XP (vice versa) The address of the Linux machine is efbb::26 ...
1
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1answer
151 views

Unexpected IPv4 address when pinging machine on home network

Set-up I have three computers on a home network. No domain, just using Windows "workgroup" functionality. I'm using Input Director from a desktop Win7 PC to control two laptops (one Win7, one WinXP) ...
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0answers
368 views

When and why does Gateway Metric become equal to Interface Metric ? (Windows network Adapters)

netsh interface ip show address .... command reveals some information about the gateway and interface metrics of each type of adapter . However the gateway metric seems to alwyas change and sometimes ...
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1answer
227 views

Automatic ipv4 interface metrics algorithm?

Here is the link in reference http://support.microsoft.com/kb/299540 .Is there anything similar for windows 7 ?
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2answers
31 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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3answers
3k views

Does IPv4 and IPv6 talk to each other?

If a country switches entirely to IPv6, does this changes anything for the other countries? (question inspired by this news article)
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1answer
34 views

Identify the TCP/IP classes respectively by beginning octets

I am busy studying for a network exam and I am stuck with this zinger: By studying the following beginning octets, identify the TCP/IP classes respectively 1-126 224-239 240-254 ...
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2answers
1k views

Local DNS server is required to use names instead of full IP?

My computers have local IP addresses such as 192.168.0.X. And many of the computers have names such as "MyPC" or "YourPC" etc. It seems on Windows, in most cases, just using "MyPC" instead of the ...
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1answer
2k views

How to configure Gateway as Proxy Server

In my office environment, my machine is configured with an IP address, Subnet Mask and a Default Gateway. The Default Gateway does not allow internet connectivity but is configured to provide us with ...
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3answers
472 views

Since IPv6 has larger addresses than IPv4, how will that affect performance?

IPv4 are 32 bit addresses, while IPv6 are 128 bit. It's 4 times larger, sure on a small scale maybe not a big difference, but on a world wide scale will it make a difference? Are their any messures ...