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

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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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28 views

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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29 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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23 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
43 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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33 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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11 views

can a successfully pinged IP address not be in the arp table

Basically the whole Q is in the subject... Is it possible or how would it make sense that I have pinged an IP address that is on the same local network that I am on, And still when I do arp -a this ...
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14 views

Why does Windows use the same identifier for different ping sessions?

I noticed while debugging some NATing issues at work that Windows (Windows 7 in this case) echo reply and echo responses are always setting the ICMP identifier field to the same value regardless of ...
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64 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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18 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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2answers
35 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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12 views

Quell ICMPv6 responses using Linux

On Linux, you can use: sysctl -w net.ipv4.icmp_echo_ignore_all = 1 to quell ICMP echo responses from the Linux networking stack. This is different from BLOCKING ICMP responses using ...
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27 views

Ping issues and configuration issues

My host machine has an IP 10.116.65.150 and my secondary machine is part of the same network. (( I did connect my laptop to the same ethernet and switch link as I had connected my secondary machine ...
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69 views

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
32 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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31 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
46 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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29 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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33 views

computer ping only one side

In my organization network each resource are shared with network such as printers faxes, etc some times to share printer between two computers 1st computer ping 2nd pc but 2nd pc cannot ping 1st ...
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1answer
16 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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41 views

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
57 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
31 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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2answers
83 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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1answer
133 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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20 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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34 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
34 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
78 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
84 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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48 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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39 views

OpenWRT ping request timed out

I've installed OpenWRT (OpenWrt Attitude Adjustment 12.09-rc1 / LuCI Trunk (svn-r268), kernel 3.3.8) on D-LINK DIR-320NRU. Internet connection uses PPPOE and works fine. The problem is that I can't ...
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1answer
33 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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33 views

Two devices cannot ping each other

I have a Wi-Fi router connected to the Internet through PPPoE. The router model is Tenda W150D, and the firmware version is V1.0.1.16_en (6569). I have no antivirus or firewall software running. The ...
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1answer
55 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
50 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
53 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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38 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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1answer
55 views

High jitter while pinging access point

I'm not sure if this is a network or an OS issue and hopefully you can help me find out. Sometimes, although I recently doubled my internet speed, I find that my internet speed isn't fast, it looks ...
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2answers
96 views

Ping increase internet speed [closed]

Can I use ping to increase internet speed? ping [IPv4 of wifi] -n 100000 Is this increasing my internet speed?
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2answers
57 views

Tracert behaviour explanation

Sorry if my question is trivial, I tried to tracert to an ip address, and after first 12 hops I got request timed out for the rest, until reach a maximum of 30 hops. I assume that the machine is ...
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77 views

Why I get a VMnet Network Adpater's IP even if my Wireless Network Adapter has priority?

On Windows 7, when I try to ping my computer name I get an IPv6 address, so I ping with -4 option, then I get an IP related to my VMnet (VMnet1) Network Adapter which results 192.168.220.1, and not ...
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78 views

Can't load certain websites, but everything else works

As of this morning, I suddenly can't reach certain sites at all, but all other sites load fine. The sites that don't load are major sites like CNN.com, ATT.com, etc., so they're certainly not ...
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1answer
69 views

What responds to a ping? The modem, or the router?

Just a very simple question I'm sure you all know. When I ping my public IP address what is responding to the ping? Is my modem responding to the ping and never reaching the router or is the modem ...
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50 views

Windows 7 can ping Switch, but Windows XP can't

Maybe this question has already been asked, but I can't seem to find it by using the search. I got a little network where I've got my default gateway on 10.0.0.1 with a switch built in. Then there is ...
0
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1answer
54 views

Local addresses unreachable, remote addresses work

I experienced strange behaviour on my employee's Windows7-Box. I was working via Putty in a local headless Virtualbox (running LXLE and connected via Virtualbox's host-only network adapter) and ...
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3answers
1k views

ping can't resolve hostname, but nslookup can

ping tells me that it can't resolve some hostname ("ping: unknown host domain.company.local") in a URL but when I use host or nslookup on the same computer on the command line, the resolutions works ...
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2answers
65 views

I can ping a Windows XP PC with the firewall off but I can't when the firewall is on. Why?

For the ping command, I have read (e.g. try this link), there's no port required. Yet I have a PC on my network which I cannot ping. Strangely, I can connect to using Remote Desktop. However, I am ...
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3answers
143 views

Why is my neighbor ping 20ms less in online games? [closed]

My friend/neighbor has the same ISP than me (cable provider). In fact, he has a lower speed package. But when we game online he always have 10-20ms less ping than me. I tried connecting my PC ...
1
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1answer
322 views

what does it mean if nslookup and ping fail to resolve a host name but tracert does not?

This problem concerns an internal DNS server that for some reason sometimes fails to resolve the host names of some machines on the network. When it fails to resolve a host name, and this can happen ...