Cannot Discover Computers In Network But Internet Works
Apr 30, 2012
I have a Belkin G wireless router. I have connected a Windows 7 PC using wired connection through Ethernet port.I've also connected my Windows XP PC through wireless connection. And plugged in my internet cable to the Router.Now I am able to access internet on both the PCs but I couldn't setup a network between the two computers for file sharing.
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Feb 26, 2013
we hadn't have the WEP key on our Linksys wireless router, so we decided, about a month ago, that it was a good idea to lock our wireless connection. So we did. For a couple of weeks, everything worked just fine.But then we bought a new printer, which happened to be a wireless network printer, and in the process of installing it, we mistook the reset button (I think) on the router for some other button and ended up resetting the router. When we did that, we undid WEP key, thereby unlocking the router. Then, we locked the router again, at which point one of our computers--which happens to be mine--ended up not working. All other computers and phones and iPads work just fine, but this one laptop of mine just doesn't work (with respect to wireless internet connections, of course).
- pressing the reset button on the router again. It kind of works. The internet works for about five or ten minutes (which is unbearably annoying because I have to reconnect it every five minutes), but my computer somehow disconnects itself from the internet connection. Also, although the internet technically "works," the wireless network icon thing on the bottom right of the screen has an "X" on it, which I thought meant the internet is not working, but it apparently doesn't, because my internet is working now. And, if I click the icon, it says that I'm not connected, but, again, the internet works. (for about 5~10 minutes, if I unlock the router)
- changing the internet protocol information (I don't think it does anything, but.)
- changing the wireless internet connection property to WPA, WPA-PSK... everything.
*All computers in the house have wireless internet connections but mine.
*When I reset the router, the internet works, although the computer says it isn't connected, and it disconnects itself every 5 or 10 minutes.
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Jan 2, 2013
Region : Poland
Model : TL-WR941ND
Hardware Version : V3
Firmware Version :
ISP :
I have a problem with files sharing via wi-fi. I can not share files over the network using wi-fi connections. While the network is the cable connection sharing is available. The network also acts as one computer is connected by a cable to the router and the other via wifi. But if the two computers are working through wifi network does not work. Are there any settings in the router, which can cause blocking calls via wifi?
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Feb 18, 2013
I have a 80ft cat5 ethernet cable I got cut at compusa about 3years ago to go across the house to my room. I used to have an a really old computer but about 6months ago I bought a brand new top of the line computer and got really excited and set it up on my desk in my room to discover my ethernet cable wasnt being detected on my computer. The weird part is that it works with other computers.. I had my gf's laptop(3yo) using it, my dads(3yo), my older computer that I dont use anymore but whenever I connect mines it doesnt work.I test hooking up a few different cables to my computer and they work but that one specificly wont.
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Jul 4, 2011
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May 22, 2011
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Mar 1, 2011
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May 13, 2011
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Sep 27, 2011
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My goal is to use the host name to identify the device, and ultimately the person with the device. Any thoughts on how I can go about this? Is there a setting in Nmap I'm missing or perhaps a better program to use?
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Nov 23, 2012
How to block internet access some of the computers in a network
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Jul 17, 2012
I have computers A-E in my house connected to the Bright house supplied neatgear cable modem. Computers C,D and E will connect via DHCP. computers A and B have dual NIC's. (10/100 nic A, 1000 nic B). Heres what i would like to do: connect all computers (A-E) to the internet. (this part i am currently doing) on computer A and B i want to create an ad hoc net work to souly use the 1000M nics (for data sharing). I want to separate computer A and B so they wont use the 100 Mbit connection.
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Feb 12, 2011
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Apr 9, 2013
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Apr 2, 2012
the site has a private wireless network for which I pay a yearly access fee. This gives me a code I can use to gain access each time I connect. We used to be able to have all our family's laptops, etc., connected at the same time using this code, but the site has recently changed the configuration so that we can't do this. Is there any way we can share the connection made by one computer so that we can all access the Internet at the same time? The site is in a remote location that gets poor mobile data coverage and landlines are not an option. The yearly fee is already high, so I can't afford to pay for multiple subscriptions.
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Sep 4, 2011
I'm Using D-Link DIR 600 wireless router with my desktop CPU (Windows XP Professional SP1) using wired connection and Dell laptop (Windows 7 Ultimate) connected wirelessly. My problem is that I am able to access internet on bothsystems but they cannot see each other in network places. I am unable to sharefiles between the them. I have tried all the procedures mentioned in many forumsbut still not able to find a solution
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Apr 6, 2011
this computer was working on this router no problem. computer crashed and noiw computer is fine i connected it to my cable from ny desk top comutyer and works fine. It just cannot hook up to the wireless connection?
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Aug 9, 2011
I an doing device discovery and get the result as devices are unreachable and only 1 device among them getting discovered.Any inputs?
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Oct 27, 2011
We are a small business that just bought a Cisco 1921 ISR. I am trying to set it up right now but I cannot get CCP to discover it. I am new to Cisco products and IOS.The router is currently set up in a test environment with a USB connection to a Win7 PC for console management. I also have the PC connected to gigabit ethernet port 0/1. I am using putty to access the console which I did with no problem for the initial configuration. After that I thought I would be okay to discover the router with CCP using the IP address I specified but then it prompted me for a username/password which I didn't see in the initial configuration. After this I did some research and found out I needed to set up a few more things so I ran the following commands: [code]
After this the video I was watching said to go in to CCP and specify the IP address or hostname of the router and use the login info that was just created admin/pw. When I ran the discovery I got the failure message: Connection to the device could not be established. Either the device is not eachable or the HTTP service is not enabled.When I run 'show ip interface' I notice 'Router Discovery disabled" is this why it is not working? How can I enable this or what else am I missing here? Am I not connecting to the router correctly? Oh and just for reference our plan is to have this router set up as a VPN gateway and firewall with 2 WANs for redundancy and connecting to our switch via an HWIC SFP for fiber.
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Mar 12, 2012
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Sep 4, 2011
I have a RV120W Firewall and I've created 3 Vlans. One for Internet Access Computers, One for non-Internet access, one for printers. How can I implement security to keep Internet and non-internet vlan computers from communicating with one anothers? Both computer vlans will need to communicate with printer
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Jun 28, 2012
i'm connected to the internet through a shared internet connection through a switch,and also have 3 computers connected to the same switch,what i want to setup a local network between the 3 computers but separated from the internet network?
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Mar 21, 2011
Has anybody read The Illustrated Network: How TCP/IP Works in a Modern Network by Walter Goralski? url...I was thinking about picking it up. Does it offer anything new to a student studying for his CCNP?
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Feb 10, 2011
My pc will not pick up the internet, my iPad does through my wifi. I called my provider and they said my connection is fine, they mentioned not using a USB cable but when I take it out my wifi won't work on my iPad. My pc keeps saying not connected to the internet. I have a modem and a router, do I only need 1 maybe?
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Jul 23, 2012
My computer is connected via ethernet cable. the internet works fine. But it says that I am Not Connected and that there are no connections available.I'm not sure what specs you guys would need to look at tobut just post telling me what
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Oct 10, 2011
I have Windows 7 64 Bit Pro PC connected directly to the router via Ethernet.This is I will call Ethernet Connection 1.I also have a Windows XP Pro SP3 computer connected to the same router but via a wireless connection.I have both PC's connected together via an Ethernet cable. This I will call Ethernet Connection 2.It all works fine, but I only want my PC's to communicate via Ethernet connection 2.Currently, if I disconnect the Ethernet cable between the computers I can still access the files on the Windows 7 computer via the wireless connection on the Windows XP computer.I've tried to see if this is discoverable by other people using the router by installing Ubuntu on the Windows XP machine and looking at the available networks. Lo and behold, my Windows 7 machine is discoverable and accessible - albeit by a password. This is with the Ethernet cable between the computers unplugged.I have both networks on the Windows 7 machine set to public and all sharing options switched to off. Both computers have the same workgroup name. Worryingly I can still connect to the Windows 7 machine via Ubuntu wirelessly without even using the same workgroup name!All I want to do is connect the two computers via Ethernet Connection 2. I don't want any sharing information going to the router too and hence other poeple being able to see it. Ethernet Connection 1 on the Windows 7 machine is for the internet only (same as for the wireless connection on the XP machine).
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Jan 21, 2012
Using a command prompt, how do I discover the internal IP of an unused router, which I set to a custom value and forgot? The router is not currently in use for internet access. I would like to access the control panel of the router without resetting it.I attached my netbook to the router with an RJ45 cable and disabled the netbook's wireless adapter to avoid conflicts with my current network. Using an elevated command prompt, I did an "ipconfig /release", rebooted and ran "ipconfig /all", but the gateway entry is blank. An "arp -a" returns 169.254.190.120 as the only interface. A "netstat -a" returns 169.254.190.120:xx...'s, 127.0.0.1:xx...'s, and 0.0.0.0:xx...'s, but no router internal IP address.Is there a way discover the attached device without resetting?
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Mar 5, 2011
I have a laptop but not the internet.But my neighbor has an internet router. I need to connect to that connection without the consent of him.
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Feb 8, 2013
i have 2504 controller with 7.0.116.0 software and some 3502 APs. I also using 5 APs now and few days ago I bought some additional 3502 APs and I can't get them connected to the controller. My company admins decided to using DNS controller discovery instead of using DHCP option 43. I'm connecting APs to access ports of Linksys switches and APs not in the same subnet as ap-manager interface of controller. AP succesfully get IP and DNS from DHCP and could ping cisco-capwap-controller. However, I have such messages.
*Mar 1 00:12:32.014: %CAPWAP-3-DHCP_RENEW: Could not discover WLC using DHCP IP. Renewing DHCP IP.Not in Bound state.
*Mar 1 00:12:40.533: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 2 combination.
I can succesfully ping controller from AP AP30f7.0d2e.9a58#ping cisco-capwap-controller Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 10.23.16.30, timeout is 2 seconds:
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Nov 8, 2011
I have a 5508 controller that has 14 APs connected to it. I installed them without an issue. The 2 new APs are on a different subnet. I can ping them from the 5508 controller ping command, but they do not self discover from the web interface. The 2 new APs are at a differnet physical location.
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Apr 18, 2011
How Stuff Works "How Network Address Translation Works"."This is where NAT (RFC 1631) comes to the rescue. Network Address Translation allows a single device, such as a router, to act as an agent between the Internet (or "public network") and a local (or "private") network. This means that only a single, unique IP address is required to represent an entire group of computers." so let's say 6-7 pc's can have access to the internet using the same IP. doesn't this causes any problems? what if one of those pc's was used fore doing something illegal? how can they spot it later on? or what if 2 or more pc's access (from that subnetwork) access the same website with the same IP?
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Mar 29, 2012
I have Windows 7 PRO and since I bought it I have wierd disconnects. The network works for like 2-3 minutes and then disconnects for 5+ mintues.
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Aug 17, 2011
i am pretty good with computers but this problems got me stumped, my old desktop dell deminsions 4400 will not connect to my home network. So I first reinstalled the driver and plugged the wire in and like magic i had internet. so i took it up stairs, no internet connection. so i whipped out my handy dandy laptop and plug the wire into the cat5 port and i had internet. so this is telling me the wires in my walls are working, my router and modem are working, and my pc is doing something crazy when it changes elevation. I'm about to take it downstairs to see if itll work again
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Feb 5, 2011
I have a HP G60-530US and i use Mozilla Firefox. My computer had froze up and i had to restart it. My wifi is working but it keeps sending me firefox cant find the server at... message. It said that the firewall or proxy could be doing it but i cant find a problem with it. My computer had just updated so i dont know if that could be the issue. My other computer is working just fine so i know its not the router. My computer has done with before but i cant remember how i fix it and if im not mistaken my computer had updated when it happen the last time, but im not 100% sure.
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