0
votes
1answer
50 views

Can't access router's web interface

I had this problem for a while, however it only became really annoying recently as I needed to forward a few ports. My problem: I can't access the web interface of my router when typing 192.168.1.1 ...
0
votes
0answers
25 views

How can I disable the network troubleshooting in Windows 7?

We have a very specific network setup with static IP addresses setup on some Windows 7 machines in a localised network. We need to keep these IP addresses as is, but the windows network ...
0
votes
0answers
154 views

“No route to host” from my laptop while connected at home, while using SOCKS proxy or another computer work fine

This has been baffling me for some time. A single domain (haxe.org) is inaccessible from my laptop (OSX 10.7.5) while connected via my home network. Attempting to ping it results in "No route to host" ...
0
votes
2answers
66 views

How can I diagnose suspected NIC issues?

Over the past few days my ethernet-wired internet connection has started acting up. Here are some of the issues I've encountered: Websites are intermittently slow to load. Large downloads routinely ...
0
votes
1answer
134 views

Troubleshooting acute latency of Akamai CDN

Since yesterday I cannot load a number of web-sites which all seem to depend on Akamai CDNs. Not affected web-sites work fine, no problems with speed or anything. The web-sites I cannot load are: ...
0
votes
1answer
52 views

Three different time values when using traceroute [duplicate]

I'm learning networking troubleshooting and noticed how there are three different time values outputted for every hop when using traceroute, what do they mean? (The left CLI in the image is a router ...
0
votes
3answers
472 views

How does a router detect a connected device ? (ENC28J60 module)

BACKGROUND: I am actually an Arduino beginner and learning to connect one to the internet via Ethernet. I'm not using the more commonly used (much easier) Ethernet shield (based on the Wiznet ...
0
votes
0answers
116 views

Connection fails after one packet, server is unreachable by some clients while reachable by others

I am clueless about this issue. I have a machnine with Windows 2003 Server R2. From time to time the following issue arises: The server is accessible from certain clients From other clients (on the ...
0
votes
1answer
148 views

Pinging default gateway and DNS over ADSL connection failed

My ADSL modem lights are on. When I run diagnostics from my router's IP address it cannot ping the default gateway and DNS. I contacted my ISP ,they say that there is no problem on their end. What ...
0
votes
1answer
50 views

Linksys Ethernet switch holds five computers or not?

I have a Linksys Ethernet switch conected to the Internet. The switch works fine with two computers. My problem is when I try to connect another two computers, then nothing works. The switch has five ...
0
votes
1answer
30 views

Obtaining IP Address Cycles - Wireless Connection Failing Troubleshooting

We are trying to connect wirelessly to our business' network through our router (BT Business Hub). It was working a week or two ago and as far as I am aware nothing has changed. Anything trying to ...
0
votes
1answer
219 views

Window Remote Desktop Connection

I have PCs X1,X2,X3 in a network X (Ethernet Lan) all of them in workgroup XW and running windows XP pro 32 bits version. The same PC X1 is also in network Z (wifi Lan) with another PC Z1 via a ...
0
votes
2answers
571 views

Manually connecting to a wired network with linux

I currently only have wired internet via a cable modem connected to an Airlink 101 ASW105 switch. It works fine for my wife's mac. However, my laptop does not connect; I've tried connecting via eth0 ...
1
vote
1answer
533 views

Is Comcast blocking my SSH on a high port?

I am having trouble getting SSH to work. I am using a non-standard port (9876). I verified my server's IP address both by using an external whatismyip type site, and by using curl ifconfig.me, both ...
1
vote
3answers
113 views

Do I need to replace my NIC or how is there a software based solution?

My connection intermittently fails and it is not because of my home phone or a microwave oven. I have a Realtek RTL8190 802.11n Wireless LAN (Mini-)PCI NIC. My signal strength is excellent. My ...
0
votes
2answers
506 views

Two routers on network

I just had an incident where a router died and I went to replace it and entered what I thought were the same settings as the original, but I just can't seem to get this to work. Let me start by ...
0
votes
0answers
1k views

Old Look@LAN software gives “No packet to read” log error; then won't ping

Yes, before anyone asks the question, I'm still using Look@LAN. It's the best free network discovery and resources program I've seen (but please, if you have suggestions for newer ones, let me know). ...
2
votes
1answer
1k views

How do programs “decide” which network adapter to use?

In Windows, how do programs "decide" which network adapter/connection to use? I have dual ethernet ports on my motherboard. I usually only have one enabled, but recently, I've wanted to enable the ...
0
votes
1answer
4k views

CentOS 6.4 server no internet connection

I just installed CentOS 6.4 on my server. I've tried running sudo yum update and got the output Could not retrieve mirrorlist...snip...error was 14: PYCURL ERROR 6 - "Couldn't resolve host ...
0
votes
1answer
45 views

Cisco 500 switch

I want to remotely access Cisco 500 switches via TELNET and WEB BASED from a server. I dont know the ip addresses for Cisco 500 switches which are configured as backbone which the ip address assigned ...
11
votes
1answer
905 views

All invalid hostnames resolve to localhost in my browser. What is going on?

Update: jump to the end of this question for the happy conclusion to this epic tale. Note: I have IIS7 installed locally for web development. This is what happens in my browser for random sites: ...
0
votes
0answers
37 views

LAN not working

I have a HP Desktop computer, its like the LAN is not working but if i try to connect another desktop on the same LAN cable its working. All the drivers are installed and its picking up the LAN cable ...
0
votes
1answer
145 views

test isp for bandwidth throttling

As of late youtube has been slow to load like 30-45 seconds in it will pause and buffer for 2-3 min. this happens on my wifes mac , my desktop and my work laptop so im pretty sure its not a hardware ...
3
votes
3answers
4k views

Minecraft (Java) frequently loosing connection on Windows 7

Minecraft, a Java client application, is frequently losing connection with the message "Internal exception: java.net.SocketException: Software caused connection abort: socket write error" or the ...
0
votes
0answers
65 views

uverse internet works on everything but my desktop

We have uverse wireless internet in our house. We have four phones connected to it two android two iPhone's, an ipad, a windows laptop, my Xbox 360 and my windows 7 desktop. All devices work fine ...
0
votes
2answers
565 views

What can cause Internet connection to randomly fail?

From time to time, web pages don't open or open slowly, downloading big files stop after a few KB or MB (no errors are thrown, just no data is received). Sometimes it works, sometimes it doesn't ...
0
votes
2answers
4k views

D-Link SharePort USB Network Utilty on Windows 8

I'm just installed D-link's SharePort software on my fresh Windows 8. Installation went well, but won't start even after rebooting the os. I have tried to run in compatibility mode, alse. Does ...
0
votes
1answer
154 views

Troubleshoot networking and DNS, browsers fail to load sites first time

Every time I want to visit a website, I first get Unable to resolve the server's DNS address. Doesn't matter what browser. When I refresh a couple of times, the page opens. I tried flushing ...
0
votes
1answer
172 views

Log files for Windows 7 ethernet debugging

My computer often takes an unreasonable amount of time to connect to the wired gigabit etherenet network after booting the PC or after coming back from standby, usually if some time has passed since ...
1
vote
0answers
72 views

Shared drive/Folder issue

I have over 6 computers that are not listed on a domain, just normal local logins. There is one computer which is called User-PC which has a RAID Array. We also have another computer called TV-PC ...
2
votes
1answer
543 views

Bizarre and very specific Internet connection loss

Yesterday (Friday, September 21, 2012), my Internet connection started acting up. After some testing, I confirmed a very specific and baffling set of symptoms: Internet connection goes away every ...
4
votes
2answers
6k views

Something is using port 80 and I can't figure out what [duplicate]

Possible Duplicate: How to find exe listening on port? What is using port 80? I need to setup a local webserver that I made and bind it to 127.0.0.1:80. However, I can't seem to figure ...
2
votes
2answers
160 views

Troubleshooting odd Windows 7 network issue

I have a Dell Studio XPS 9100 running 64 bit Windows 7. Yesterday, after a reboot, networking completely stopped working. The computer in question was connected by ethernet to a Linksys ...
1
vote
4answers
835 views

Network connection troubleshooting, unreliable ping

I am trying to troubleshoot a network connection. The connection is wireless, and for the most part works well. (Physical connection from computer to router, physical connection from router to ...
1
vote
0answers
1k views

My computer loses network connectivity every 30 minutes

My LAN connected PC loses network connectivity every 30 minutes. It has a static IP address and I've checked to make sure there aren't any IP conflicts on my network. If I'm streaming from that PC to ...
1
vote
2answers
151 views

Windows XP System Has Limited Connectivity With Multiple Routers

My folks have a Windows XP system (fully patched) that recently stopped communicating with the local router. Wired connectivity is as follows: Computer >> Router (Netgear WGR614v6) >> DSL Modem >> ...
0
votes
1answer
97 views

Modem not detected after unplug in Ubuntu

I use a modem d-link DWM 152,, at first be detected, was able to browse. connect the modem still keep fit (I forget if it still connect.), I just unplug it. when i plug it in again, the modem is not ...
3
votes
1answer
2k views

Configure NAT on router PC

I have a problem with NAT configuration. I made my laptop to be a router, using Ubuntu 12.04. In the terminal, I typed: iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE but the client still has ...
1
vote
1answer
176 views

Problems with routers, MAC randomising, and DHCP

I normally wouldn't ask this kind of question but it's been a long term, ongoing thing. I use Arch Linux, and I use netcfg for wireless connections but I used dhcpcd for my wired ethernet ...
0
votes
1answer
282 views

Why am I unable to connect to the home hotspot?

I use WPA-PSK with password and my router and having trouble connecting to it with my laptop I fixed yesterday by resetting RTC (CMOS?) battery. Although my laptop additionally has errors with my ...
1
vote
0answers
162 views

Troubleshooting Desktop That Can't Connect to Internet through Any Adapater, Even on Different OSes

I have a Windows 7 machine that also has Ubuntu on it. Yesterday the NIC spontaneously crapped out. I went and got a Dynex PCI NIC and set it up, my computer now finds networks but lists them as ...
0
votes
1answer
401 views

TCP connection long delay at Windows 7

I have strange problem at my Windows 7 laptop. All TCP connections have some delay between TCP handshake and actually sending data. This makes all browsers (tried Aurora, Chrome, Opera and IE 9) hang ...
3
votes
2answers
21k views

How do I configure my Linksys WRT160N to be a wireless access point?

I'm trying to set up a Linksys WRT160N wireless router as an access point in order to extend the effective range of a working Belkin wireless router that has internet access. I don't know the model ...
6
votes
4answers
1k views

Why are Microsoft based programs unable to resolve host names?

When I go to Google by IP I get: When I go to Google by domain name I get: This is confirmed by Windows Live Messenger: However, Firefox just works fine: When I do a DNS lookup I get this ...
2
votes
1answer
4k views

Windows requires reboot to change TCP/IP settings

I have a Windows XP computer that has recently been having some network related issues (intermittent problems saving to a network share). While trying to troubleshoot the original problems I noticed ...
1
vote
1answer
198 views

Record WiFi performance and errors over time

I'm having intermittent performance and connection problems occuring in my wireless home network. Sometimes it slows to a crawl on all wirelessly connected devices or loses the connection entirely. ...
3
votes
7answers
3k views

Why can't I traceroute or access certain websites in my browser even though I can ping them from terminal?

On just one computer in my household, I cannot complete a successful traceroute nor browse in any browser to a seemingly random-selected, small set of websites. This includes sites like twitter.com ...
0
votes
1answer
6k views

can't connect to the internet after setting up the router N300 netgear wireless

I set-up my router which I got from the provider of my internet. So far my internet was working was fine. I got N300 netgear wireless router. I followed the instructions in the manual in connecting ...
3
votes
2answers
8k views

Best way to troubleshoot intermittent network outages?

We have a Comcast 50/10 line into our office. We keep seeing very short but sometimes frequent drops in our internet service. It's enough to kick you off of skype and stop any websites from loading, ...
0
votes
1answer
182 views

Possible causes for network dropout

When transferring files between computers on my home network, after about 200-300MB, the desktop completely loses connectivity. The only thing that solves the problem is to disable then re-enable the ...