A utility available on all operating systems that helps test network connectivity.

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Ping exit code and python

I am using os.system ("ping 192.168.178.5") command to ping a machine. Funny thing is, I get exit code 0 even if ping fails. How can I get something that tells me the ping failed/host is offline?
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33 views

Machines in my local network can ping my machine only if I ping that machine

I have Lenovo G580 laptop with Centos 5.9 installed in it. My machine is accessible by some machines in my network, but many machines(both windows and linux) are not able to access my machine. But ...
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1answer
44 views

Ping of 2 VMs does not work

I installed 2 VMs on a VirtualBox. I used Host Only NetWorking and NAT. VM 1: Windows XP with the following network settings: VM 2: Ubuntu Server 11.04. Network Settings: when I ping a given VM ...
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2answers
469 views

Can only ping on LAN, not internet

I have 2 computers running Ubuntu 12.04 connected to a router on the 192.168.3 subnet. This router is connected to another router via the first router's modem port, so the 192.168.3 router has access ...
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1answer
909 views

Can't ping printer on one computer, can on the other

I'm trying to ping a printer with a manual IP address of 192.168.1.5 on a 192.168.1.0/24 network. I have two computers and a printer with the following ip settings: Windows 8: IP: 192.168.1.100 ...
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83 views

Ubuntu: Gateway does not forward broadcast PING

I try to set up a test environment using Ubuntu VMs to generate IDS data for the Smurf attack. For that I need broadcast PING to work. The setup is pretty simple. There is a victim network and an ...
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283 views

Loopback address set for facebook and youtube

I have Windows 7 laptop. I can not access facebook and youtube. It is a office laptop and Symantec Antivirus is installed with centralize management. If I ping both the site like : ping ...
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1answer
2k views

Why does it take longer to ping by hostname than by IP address?

I've noticed that pinging by hostname is slower than using the IP address. For example, in the Linux command line: $ time ping google.com -c 1 PING google.com (150.101.213.160) 56(84) bytes of data. ...
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From where do I get a reply if I ping broadcast address 255.255.255.255 from a router

When I do a ping to the broadcast address, I get reply from self-loopback 127.0.0.1. Is this scenario correct or should I get reply from the longest-prefix IP? ping 255.255.255.255 PING ...
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455 views

Why can I only ping if my command prompt is running as Administrator?

I have a problem where, if I open a command prompt and try to ping a server, it gives me the following error: PING: transmit failed. General failure. However, if I run the command prompt as ...
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269 views

Is it possible to “ping” an embedded device connected through a JTAG interface (USB)?

I currently have an atmel at91sam7x256 embedded device that is connected to my Windows machine through a JTAG interface of USB type. I am having difficulties getting the ethernet port to work, and ...
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129 views

Difference between DNS and /etc/hosts in name resolving during an HTTPS request

My question is: what is the difference between DNS and the static resolution method based on /etc/hosts in name resolving during an HTTPS connection? In order to connect to a site using https the ...
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1answer
5k views

Batch File, PING, errorlevel and > null what do they do?

This seems like a really easy question (running Windows 7). But I have looked for the answer and couldn't find anything at Microsoft's sites (XP PING & Everything else PING) or from a bunch of ...
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1answer
777 views

Cannot ping from one physical machine's internal network to another physical machine's external network

I wanted to know why I am not able to ping from a physical machine's network interface (a private network) to another physical machine (this one has two network interfaces: a private interface that ...
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1answer
120 views

Ping works, other commands fail

I'm behind a proxy at work. When I try to ping google, it works. When I try to wget, I got stuck on the "Connecting to [proxy name]". I tried both via the "google.com" adress and via the IP adress I ...
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267 views

ping behind firewall, success for some hosts, fail for others?

I'm under firewall, I can ping to some hosts but not to other hosts my IP addresss 172.19.7.111 mask 255.255.240.0 I can ping to host 172.19.2.111 (that I discovered with Angry IP Scanner) but not ...
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1answer
2k views

Windows 8 - Cannot send outgoing pings

Recently I seem to have encountered an issue within my computer being that I cannot ping or be pinged. this has existed for quite some time, but i've ran out of troubleshooting ideas. (I have tried 3 ...
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Windows: ping's timestamp option

The Windows "Shell" (cmd) provides the following option for ping: -s Count : Specifies that the Internet Timestamp option in the IP header is used to record the time of arrival for the Echo ...
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Losing first hundred pings

My internet connection seemed slow, so I did: sudo ping -f www.google.com The strange thing is that I see I'm losing the first couple hundreds of pings, but after that it behaves as it should ...
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ping and traceroute not running despite I'm connecting to internet

I'm under firewall, I'm using linux, I try ping www.google.com and traceroute www.google.com. traceroute reach gateway and ping give nothing dispide I'm connecting to internet.
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1answer
67 views

Unable to connect Ubuntu remote machine

In Ubuntu I've installed Tomcat and deployed the web application. I started tomcat and trying to access from Windows like below http://54.85.125.1:8080/manager Error could not connect to ...
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247 views

ping doesn't run after a windows server update

I break my head with this new problem ... At beginning of April, my windows server sbs 2003 was updated (8 updates) automatically by Microsoft. The OS restarted after these updates during the ...
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1answer
133 views

I want to ping IP using LAN cable not wireless

I have one machine connect to network using two method : Wireless - got internet access - Class C ip : 192.168.2.xx - Connect with local network with few PCs. LAN do not have internet access ...
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109 views

Apparent IP doesn't take me to website

I noticed that sometimes, when ping requesting a website, I receive an IP Address that doesn't in fact take me to that domain name. It instead takes me to the default server page. For example, if I ...
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228 views

Wireshark Capture Filter

I am new to wireshark and I am trying to capture an ICMP packet over 802.11g, I am using windows and pingplotter. The issue is that on wireshark capture I am not getting any ICMP packets no matter how ...
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231 views

What does time delay in pinging signify?

My internet connection was not working fine. So I ran a ping test. In command prompt I entered ping 192.168.1.1 -t (that is my default gateway). Observing the response I noticed that the round trip ...
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131 views

Is a rare timeout from a ping on 5ghz normal?

I have a ASUS router with a 5ghz AP. No interference or traffic. My question is, what can cause even just one timeout out of a large number (say, 10,000) successful, low-roundtrip times (1-2ms)? ...
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PING: transmit failed. General failure windows 8.1

i have problem which i could not figure it out how to fix it , i run in windows 8.1 connected with wifi . when i open CMD and ping whatever address localhost, my router ip , 4.2.2.4 i get this ...
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1answer
110 views

Is traceroute output correct concerning the actual path to a target

The man page for traceroute says " traceroute tracks the route packets taken from an IP network on their way to a given host." , but while doing research on the topic I was not able to find any ...
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100 views

why the ping doesn't get a reply?

I have an embedded board that has the CFE, a minimal loader. I have a host machine - linux FC16, where I am running a dhcpd server. My interface is p3p1. Here are the details of the ifcfg-p3p1. ...
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1answer
146 views

Page load time of websites

I'm trying to find a solution to a "problem" which occurs when opening webpages. When I'm opening to open any website (no matter which browser), for example www.stackexchange.com, it takes always 5 ...
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335 views

Problems with wireless adapter ping latency/delay

I am using a D-Link DWA 123 150n USB wireless adapter to connect to the wireless network. Attached is a screenshot of my ping. The address i am pinging to doesn't really matter because no matter where ...
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1answer
215 views

Ping utility for Microsoft device emulator

Is there ping utility can running on Microsoft Device Emulator: both Pocket PC 2003 and Windows Mobile 5.0. Pocket PC?
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Can't ping a client PC from a Windows Server 2003 R2 Server SP2

I recently installed a Windows Server 2003 R2 SP2, for a Kronos Workforce Timekeeper Server. Now, the server is able to connect to the internet, and I can ping its IP Ad from other PCs. However, ...
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1answer
107 views

Unable to ping server

I have a Linux server that seems to have lost the ability to respond to a ping.. I recently installed Nagios on another system and need to have this Ubuntu server answer up to a ping.. I'm using ...
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1answer
70 views

What is what in the topmost of the OSI model

I am familiar with the OSI model and all but there is something that's been on my mind: Do tools like nslookup and ping reside in the application layer only? They use supporting layers below but ...
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876 views

Ping and nslookup work, browsing doesn't

I have a problem with my desktop computer. I can execute ping and nslookup commands but browsing doesn't work well. It takes a very long time to open webpages. I have tried different browsers, ...
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2answers
873 views

Why does my ping command (Windows) results alternate between “timeout” and “network is not reachable”?

My Windows is in Spanish, so I will have to paste console outputs in that language (I think that translating without knowing the exact terms used in english versions could give worse results than ...
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40 views

Ping IP/Hostname works laptop A to B, Can Ping Hostname but IP timed out laptop B to A

I have 2 laptops on home wireless network (Linksys Router). From Laptop A, I can ping Laptop B by hostname as well as by IP just fine. From Laptop B, I can ping Laptop A by hostname but when I ping ...
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84 views

Vista PC will not respond to pings on home network

I need some help with file & printer sharing with Windows Vista. Home Network called is named WORKGROUP Router: Belkin N150 Wireless Router 3 PCs: Win Vista Home Premium Desktop 64bit - ...
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2answers
143 views

ping frequency for LAN

Suppose I have a LAN with 20 devices attached (eg switches, router, access points, XBOX, DirecTV, IP Cameras, etc). I want to ping each devices periodically to see if all devices are alive. My ping ...
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2answers
398 views

I can't connect to school server from within school network

At our school we have a server where we can access documents and similar. Accessing it is no problem if I connect to the network via VPN connection. But if I connect to the network via the WLAN of the ...
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2answers
3k 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 ...
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129 views

Pinging local machine with external IP

On a Gentoo server, I am trying to wget or curl a page from its url: wget http://example.com/test.html (I can get result for this url from my browser) All I receive is Timeout. With cUrl I get ...
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1answer
39 views

No DNS But Internet Access

Today while using a Wifi Analyzer I noted that I had 100% loss of ping packets to the DNS Server. To try to isolate the problem I hard wired my computer to my cable modem bypassing my wireless ...
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1answer
770 views

Own hostname not resolved, but DNS works

Following problem on my Mac Mini: hostname brings: macmini ping macmini brings: cannot resolve macmini: Unknown host Same on other computers in the network: ping with this name does not work, ping ...
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1answer
129 views

Why do the response time differ dramatically between two different ways of taking arguments to httping command?

I've installed httping command on my OS X Mavericks through homebrew, and tried to use it to connect to apple's web site in two different ways, but got dramatically different performances. When I ...
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1answer
358 views

Ubuntu in virtual machine behind proxy can't ping

I installed Ubuntu 12.04.desktop on VMware. I'm connecting to the Internet through a proxy. I can browse with Firefox, but when I try to ping any domain, I get this message: 12 packets transmitted, ...
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228 views

Cmd error Ping command cannot find the host

When I type in the following on my command prompt: ping www.google.com It displays as Ping command cannot find the host, but my internet is fully functional and I can access the page. Please help. ...
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3answers
644 views

High jitter while pinging access point

I need some help diagnosing temporary pauses and Internet Jitter. I'm not sure if it is a network problem, an OS issue, or something else. My internet speed is fast, but its fluctuating, sometimes ...