Changed Ipv4 Address Computers Can't See Each Other?

Oct 4, 2012

I have a Windows 7 computer. My boss changed the IPv4 address of this computer. Nowalthough all computers can connect to the network, they can no longer see this computer. And this computer cannot connect to the other computers.

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Can't Assign An IPv4 Address To A Port

Aug 15, 2012

I understand you can't assign an IPv4 Address to a "port". But here's my issue. I have two network cables attached to a managed switch, the location of the two cables are very important. Two computers attached to the said cables.I would like to communicate with one of the computers on PORT 1 and PORT 2, regardless of what computer is plugged into them. They get there IP's via DHCP, and a static IP wont work - as the computer plugged into PORT 1 or 2 may be different.So. I have two ports on the switch that I always want to communicate with the computer on the other end. But I don't (will not) always know the IP address of the computer(s) connected.

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Auto-configuration IPv4 Address In 169 Range?

Mar 30, 2012

Last two weeks, I have had a problem connecting to public hotspots. My own WiFi network is fine, but while I am connected to any public hotspot I get the 'no internet access' message on the wifi symbol.While connected to my own network, ipconfig/all shows that I have an Autoconfiguration IPv4 address in the (correct) 192 range - but when connected to a hotspot, the address is in the 169 range, or occasionally (as in the instance below) in the 10 range. Clearly this is the problem, but I cannot figure out what has caused it. Is it hardware? Software? Malware? Or user error?I have run the Wireless Test and the log results are pasted below.

Windows IP Configuration

Host Name . . . . . . . . . . . . : XPS-CLIENT-TIM
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Broadcast
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

[code]....

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How Do I Make Ubuntu Server Get IPv4 Address

Jan 23, 2011

I'm running Ubuntu Server in VirtualBox. When I select the internal network option for the network adapter and start up the VM, I only get IPv6 address. I need an IPv4 address as well. My host (running Windows 7) gets has both an IPv4 and IPv6 address listed when I run ipconfig. When I run ifconfig on the guest (running Ubuntu Server), it only lists IPv6.

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Cisco WAN :: C3750ME / Add Or Remove IPv4 Address From Tunnel Interface Getting This Log?

Jan 3, 2007

I have a Catalyst 3750 Metro running 12.2(25)EY4.Every time I add or remove an ipv4 address from a tunnel interface I have the following log:
 
Jan  4 10:42:19.088: %PLATFORM_HCEF-3-ADJ:  Insane handle in add LT7
-Traceback= 25222C A81C70 A7B28C B08958 B28940 B2A2E0 B2A684 B9EFA4 B9F004 B9F684 B9F814 B9F99C B8E3BC BA1BD8 3DFA94 39BA3C

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Ip Address Changed From 192.168.1.1?

May 3, 2011

when I did ipconfig it gave me 174.61.85.170. What to do

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Linksys Wireless Router :: Port Forward With E1200 / IPv4 Address

Apr 22, 2013

I'm trying to set up a minecraft server i have the correct ipv4 adress and port but for some reason its still closed?

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IP Address Changed By Router

Nov 30, 2011

I was talking to a friend today and he told me that a router changes the IP address you're given to by the ISP? So I checked with whatismyip.org and let's say with the router, it showed, 29.28.29.450, Then I took the router out and just used the modem and it showed as 29.28.29.449 If I were to use a different router, would it end with 450 again? Or an entirely different number, because the router is of a different brand? I'm assuming having a router is good for protection from malware, trojans and what not?

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Linksys Wireless Router :: EA4500 - Translate Ipv4 Address And Port To Ipv6?

Nov 9, 2012

I have a virtual machine running in my desktop which connected on the gigabit lan port on EA4500 with firmware 2.0.37.What I want to be able to do forward a port that came from an external ipv4 address to the ipv6 address and a different port to my virtual machine (to remote desktop port 3389).The reason I want to convert the traffic to ipv6 is because virtual machine is running vpn and is not reacheable through ipv4 (unless bunch of routes are setup and things get complicated etc). I verified my phsical server and virtual server get both ipv6 ip addresses through ipv6 tunnel from comcast. Without tunneling I could not get ipv6 setup using automatic mode with comcast, it simply did not work for some reason.

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Belkin Wireless Changed Ip Address On Its Own?

Dec 7, 2011

my belkin wireless changed ip address on its own and now i cant get to my router homepage are connect xbox wirelessly. my computer seems to connect without a problem, what do i need to to?

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ISP Changed IP Address Now Router Will Not Connect?

Jul 21, 2012

I have a D-Link DIR-632 router flashed to DD-WRT.My original setup to my cable modem worked fine, i set up my wireless parameters via the DD-WRT software and everything was peachy until last week when my access (on the ISP end) was interrupted. Time Warner sent out a serviceman while I was at work and apparently he "Changed the IP Address".Now when I try to connect via my router, I get constant DNS errors (Windows 7 64 Pro).

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Cisco VPN :: 3845 Public IP Address Is Changed / VPN Is Disconnecting

Aug 29, 2012

I've configured a easy VPN between cisco 3845 and cisco 871 router, 3845 is VPN Server.I am facing problem at client router ie.whenever The public IP address is changed the VPN is disconnecting.

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ASUS RT-N66R / Changed MAC Address And Now Internet Isn't Working

Mar 25, 2013

Everything was working fine and I was poking around in the router settings and clicked the Clone Mac Address button to see what it did and hit Apply.

Now the internet isn't working (on the neighbor's internet) and I can't even get back on the router (192.168.1.1) I reset the router but it still isn't working.

I have an ASUS Wireless Router RT-N66R.

Edit: I got back on the router but now my wireless MAC address is the same as the LAN MAC address. I think this is what the cloning did. Is there any way to find my old MAC address?

The section is titled Special Requirement from ISP so I think I may need to use a certain MAC address but I don't remember what the old one was.

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Cisco VPN :: 5510 - Changed Public IP Address / No Access On Native LAN

Jul 11, 2012

i'm running a 5510 asa and the vpn has been working great for a while.   We recently change our network provider so i had to change the public ip, and dns on the firewall... now i can still connect via the vpn and browse accross my mpls to other sites, but cant really access anything on the native lan that the firewall resides on?

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Changed IP Address Of Canon IRC 2880 Printer / Duplicate Name Exists In Network

Jul 24, 2011

The company I work for has a small network and it has a windows 2000 server. When the Canon iRC 2880 printer is connected the server gives a error saying that a duplicate name exits in the network. I tried changing the IP address as well. When I changed the IP address of the printer the duplicate IP address moved the new IP address.

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Need IP Address For Computers On Router?

Mar 21, 2011

I want to set up a Home network between a Win XP PRO/LINUX UBUNTU 10.10(Dual boot) and a Win XP PRO.I need to find out:

A) The IP address of:

1) Each machine on the router

2) The router's IP address

B) How to configure the router using this information Several years ago I saw a tech set up a network using this information but I don't remember how to do it

C) What software I can use on Ubuntu to set up the network

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How Is A Computers Hostname Translated Into An IP-address

May 15, 2011

How is a computers hostname translated into an IP-address?Eg. when i enter "\server1" into the "run"-menu i get access to my server at IP-adress 192.168.1.2, but how does my computer know what IP-address is it?

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IP Address Conflict Message On One Of Our Computers

Jun 1, 2011

here where I work we are having an issue with IP Address conflicts. We are not sure exactly why, though. We have only had it happen 2-3 times so far, but this has been over the past week or so, and we would like to get it resolved. Here is what is happening: Last week we were getting an "IP Address conflict" message on one of our computers. It had received 192.168.3.112 from our DCHP server, so we switched it to a static IP address up beyond our DHCP range. We then tried pinging the address with the conflict, but got nothing. We figured it was some device that had a static address, so on the DHCP server we reserved it to a non-existent mac address so it wouldn't hand that one out again. This wasn't a problem, since it was an isolated incident.

Since then we have tried periodically pinging 192.168.3.112 to see if there is actually a device using that address, but have gotten no replies. Since then we have had another one or two times where this has happened, but with different IP addresses. We went around and checked a couple of different wireless routers that we had deployed, but the DHCP had been disabled on all of them (but then again, the issue came up just recently, while the routers have been out there for months).

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D-Link DIR-655 :: Need To Block Certain IP Address To Be Accessed By All Computers

Dec 3, 2011

Bought DIR-655 from Amazon. Rev. B. Come with 2.00NA firmware. Updated to latest one, and there are a lot of problems, to most of them, I was not able find any solution. Here they start:

1. WIFI SPEED PROBLEMS.No matter what speed, parameters, channel, mode, etc I select, router keeps working on 20mhz channel width. So I never get speeds above 65 mbit. In absolutely same conditions, my DIR-300 B1 (with DD-WRT firmware) gives me stable 150mbit. SO I KINDLY ASK, MAYBE THERE IS A WAY TO FORCE "40 MHZ ONLY" OPTION?

2. PASSWORD PROBLEMS.Router came with no admin password, I enter new password, hit "update" it says - wait 20 sec, after that, login page is displayed, but, new pasword does not works! since it asks again for empty password!

3. FILTERING PROBLEMS.I need to block certain IP address to be accesed by all my computers. Say this is 111.111.111.111 . So I added inbound filter rule, to block access to that IP. It does not works - IP is still accesible.

4. MORE FILTERING PROBLEMS.Since above mentioned method does not works, I have to use "ACCESS CONTROL" feature. It does works, but it causes another problem, with access control enabled, all webpages with form submit stop to work. For example, if I'll have that feature enabled, when I press "post" on this webpage, it instantly will go to "this page cannot be displayed".

I bought this router solely for one purpose - I was happy with speed of my DIR-300, but I needed gigabit for my computers. So I thought, instead of buying separate switch, I'd better buy a router with gigabit. I was suggested to get TP-LINK 1043, since it's quite popular, alternate firmwares available and so on, but I refused to buy it, since I thought that some chinese company does not worth my attention. So I bought this D-Link (for almost 2x price of TP-Link) and having huge problems as you can see.

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D-Link DIR-655 :: Access Control - Block All Computers Instead Of Specified MAC Address

Aug 8, 2012

I want to do what I thought would have been a simple enough task - block my kids phone/computer after certain hours. Instead of blocking the specified MAC address(es), all my computers does not have internet access. As soon as I disable the policy, internet access is on again. Here's what I did:

[code]...

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D-Link DIR-825 :: Pinging Local Computers On Network Brings Back A Foreign Ip Address

May 23, 2012

when I ping another workstation on my local network I should get back it's local IP but instead I am getting an ip address that resolves to somewhere in Germany!  In fact if I ping any bogus name, I mean anything, it returns this same address 62.116.181.25.  If I shut down my cable modem then everything resolves correctly.  And yes I have DNS relay enabled because it seems to be the only way to get the workstations to resolve external sites correctly. 

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Linksys Wireless Router :: Cisco E2500 - Using Gateway Address As Browsing IP For Connected Computers

Jan 31, 2013

Everything in our small network worked until today when I had to manually reset the router. We run a application through a provider which requires that we view it from the same IP address for access.  We have a statis IP assigned by our ISP solely for this purpose.  For simplicity, lets us 23.11.23.176 as the statis assigned by our ISP and 23.11.23.175 as the gateway also assigned by our ISP. The application we need to browse requires that we use the 23.11.23.175 address else it is blocked from viewing.  When we hard line into the modem, we are able to browse it fine.  When I connect the CISCO router and do it wirelessly, it shows our address as 23.11.23.176 what are the required steps in order to set the CISCO router to use the Gateway address as the browsing IP for computers connected to it.  We had set it up about a year ago, and i completely forgot how. 

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Cisco Switching/Routing :: Catalyst 2960S - Dynamically Assign IP Address To Computers Via DHCP

Aug 30, 2012

I am administering a Catalyst 2960S switch and I would like to connect several computers to it.  Some of those each have a static IP address.  For a few of them, I would like the switch to dynamically assign an IP address to them via DHCP.  Is the switch capable of doing this?  If so, how can I do it? I tried looking through Cisco Network Assistant and I couldn't find it.  Some web pages have suggested I telnet into the switch and issue commands like "ip dhcp ?" to see what commands are possible.  I can telnet in and if I type  but I get an "Unrecognized command" for both "ip ?" and "ip dhcp ?".  This makes me think I'm reading the wrong web pages. I did come across the term "DHCP snooping".  It seems relevant, but very difficult for me to grasp. 

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Netmask For IPV4

Apr 15, 2012

I have a question about a netmask.How many netmask are there for IPV4?

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IPV4 Connectivity But No Internet Access

Mar 11, 2011

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:UsersAlex>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Alex-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No

[code]....

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DNS Not Working IPV4 IPV6 Not Connected?

Jan 11, 2013

has quite frankly gotten me absolutely annoyed . I've tried just about everything, from using the netsh commands to changing the dns to 8.8.8.8 or that other one or the other. Nothing is working, I unplugged the router, problem persists, I disabled IPV6 problem persists, I restore, problem persists. The only clue I have is my router, and mysteriously, there are TWO of my computer on it. It might be nothing but most certainly has caught my attention. Also, it gives me this info about my media being disconnected

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Strong Signal But IPv4 / 6 Can't Connect

Jul 10, 2011

So I have been trouble shooting this for just over a day and still nothing, but anyways. My computer says that I am connected to the wireless router and that I have great signal strength but I have no internet access from either my IPv4 or IPv6. I have been using the cmd commands such as netsh reset, and the like. I have restarted both modem and router a few times as well as my computer. Also just did a recent avg scan and firewalls are all off. This is all coming from my mac laptop which is connected just fine which leaves me even more confused.

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Auto-Configuration IPv4 Does Not Match Up

Feb 29, 2012

I live in a shared house, and I am the only one who has been experiencing issues connecting to the internet. I have to ask a housemate to reset the server, as this is the only thing that works.

When I am unable to connect, and I use command ipconfig, the following appears: Autoconfiguration IPv4 169.254.23.29 On the occasions when I am connected, the following appears in its place: IPv4 IP Address: 192.168.0.2

One tip that I came across was to check the box (Wireless Network properties, Connection tab) for "Connect even if the network is not broadcasting". I had hoped this simple solution would assist, but to no avail.

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Broadband :: IPv4 / IPv6 - No Internet Access

May 17, 2011

I am using window 7 on my laptop. I am using broadband internet (not wireless etc) via my external lan card but IPv4: IPv6: No Internet access shows.

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Lenovo G550 IPv4 / 6 Connectivity Not Working

Jan 28, 2012

Lenovo G550 with windows 7 shows that the Internet is connected but the IPv4 and IPv6 connectivity says no network access. I updated and reinstalled drivers, typed in some cmd command and restarted computer with no success. I also called tech support and they had me go into safe mode, the Internet didn't work there so he said it was a driver problem but wouldn't fix it.

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Windows 7 Pro 32 Cannot See Network And Won't Honor Static IPv4?

Mar 16, 2012

We set up three new terminals this week at the office; they're all running Win 7 Pro 32-bit. I set them all up simultaneously (literally sat at a desk and entered the same keystrokes at each of them), so I don't see any obvious reason that one is behaving differently from the other two. The essential problem is that the terminal doesn't see the Internet.

Here are all the particulars that I think might be interesting, listed in no particular order:

- The terminal ran fine for several hours. Email access, Internet access, from 9 a.m. to 2 p.m. At that point, the user called me to show me a dialog box. I used System Restore to go back in time to 9 a.m. in case the user had somehow managed to do anything (though she's not an admin).

- IPv6 is disabled.

- The workplace uses Static IPs. The IP address is entered correctly in the IPv4 properties (x.x.x.213), but at cmd / ipconfig, I get this result: "Autoconfiguration IPv4 address: 169.254.95.187"

- In Network and Sharing Center, the network (which is only known as Unidentified Network) is set to type Public. When I reset it to type Work and reboot, it resets to type Public.

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No Internet - Limited IPv4 And IPv6 Connection?

Aug 10, 2011

I have a dell inspiron 15 and I've been having trouble fully connecting to my wireless internet. It says I have signal but gets stuck on identifying the network and I have limited IPv4 and IPv6 connectivity.

Here's the ipconfig if you can identify the issue with it:

Windows IP Configuration
Host Name . . . . . . . . . . . . : M-PC
Primary Dns Suffix . . . . . . . :

[Code].....

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Ipv4 And Ivp6 Showing Limited Connectivity

Feb 15, 2011

my ipv4 show limited and my ipv6 also show limited when connect internet through wireless..yesteday can wep but show limited connectivity...

Windows IP Configuration

code...

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