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

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110 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
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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0answers
93 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
563 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
95 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
316 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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0answers
159 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. ...
2
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3answers
367 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 ...
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2answers
575 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
93 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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0answers
136 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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380 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
132 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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0answers
114 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
114 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
19k 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
878 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
378 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 ...
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1answer
2k 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 ...
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1answer
145 views

Ping packet loss 100

I'm using a laptop in a dormitory and I was trying to go to a website, but it only shows texts and white background. When I check another website about the same thing happens, no pics just texts and ...
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0answers
50 views

2 PC's One Switch

I have a router with a switch (a) and a pc (1) then a run of ethernet from switch (a) to another switch (b) with 2 pc's (2 & 3) I can ping from PC 2 to PC 1 But can't ping from PC 3 to PC 1. ...
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222 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 ...
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2answers
537 views

Doing uploads from my windows 7 machine causes high ping time

Without a program doing uploads, my 64-bit Windows 7 laptop does great - 40 ms ping time, 5 MB download rate. If anything starts uploading (Dropbox, for instance), ping times suddenly increase over ...
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0answers
9k views

How to fix my internet connection/bad ping

First of all thanks for any help! To start with, my internet speeds are bad (3 down and 3/4 up) I can normally play Minecraft with very little lag (me and my 2 bros that play). Recently my Internet ...
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2answers
4k views

Repeatedly high ping - caused by WiFi or provider?

I have an ISP with a 10gbit broadband connection. I can usually download with about 1.8mbytes/sec, so that's not a problem. However, I sometimes have a very high ping in online games (> 200ms). It ...
2
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1answer
5k views

Ping IP returned “destination net unreachable”, even with different network

I couldn't log in to facebook, so I ping the domain and got this: ping www.facebook.com Pinging www.facebook.com [69.171.228.14] with 32 bytes of data: Request timed out. Reply from ...
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0answers
32 views

Why do I experience latency to certain IP's

This one has me stumped. I read a lot and ask very few questions. I usually have 2 or 3 SSH sessions at any given time. Monitoring applications, working on server configs that type of daily grind. ...
2
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2answers
3k views

How to increase ping time/network connection latency on Windows?

I need to permanently increase network latency in approximately 100ms, without losing packets. Reason: On a certain server and internet game my ping is too much lower than the other people playing ...
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1answer
9k views

NSLOOKUP Default Server: UnKnown How to fix it [closed]

I execute NSLOOKUP and see C:>NSLOOKUP Default Server: UnKnown Address: 192.168.1.1 I am guessing that it should be something like C:> nslookup Default Server: ...
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0answers
24 views

Wierd connectivity problems

I'm having some quite confusing problems with the network. First of all, all of the computers can access the internet and mapped drives and so on, the server can ping any LAN computers IP, the ...
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0answers
91 views

Mavericks: ping resolves differently from dig

I have BIND9 running on my MBP with a zone for the TLD dev. I then have /etc/resolver/dev setup with the line nameserver 127.0.0.1 so that resolution for that TLD only is performed using my local BIND ...
2
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1answer
150 views

Windows 8 requiring trailing dot in DNS name in order to resolve

I'm in the process of setting up a home network but I'm having issues on my Windows 8 machine. If I ping another host on my network, the name won't resolve. If I use nslookup, it will resolve no ...
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2answers
177 views

Slow ping on one machine

We have 13 computers connected to Windows 2008 Server R2 Domain. There is Windows 7 64-bit Professional on all of them. The computers have same configurations and are quite fast (Intel Core i3, fast ...
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2answers
119 views

Can access wamp through browser, but cannot access computer

Ok. First off, I am not able to access the physical computer until tomorrow, when I get back to work. With that being said, I wont mark any solution, until tomorrow (at least). With that out of the ...
2
votes
1answer
1k views

Can ping/ssh through LAN but not with Wi-Fi

I have bought a new D-link Wi-Fi modem recently, and I have connected one Linux system through LAN and another system through Wi-Fi. I can't ping the host which is connected to the LAN from the Wi-Fi ...
0
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2answers
88 views

troubleshoot ping failure due to denied MAC address

Does anyone know of a tool (Windows or Linux) that will identify packets that get dropped on a network due to MAC filtering? In question 682774 (ping-printer-times-out-when-wireless-ok-when-wired) I ...
0
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1answer
300 views

ping printer times out when wireless, ok when wired

I have been managing our home network now for many years, and this is the weirdest problem I have ever seen: I have a router (Dlink DIR-655) to which a printer is connected directly via cat5e. The ...
2
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0answers
244 views

'ping git-scm.com' returns 'ping: unknown host git-scm.com'

Since a couple of days ago I'm not able to access git-scm.com and when trying to ping to the domain: ping git-scm.com I get a: ping: unknown host git-scm.com How can I check for errors in my ...
2
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1answer
163 views

Can a software cause a huge ping response

I need someone to explain something to me since I'm really not good with networking. How can it be that when I open minecraft and I mouse over the ping I see 1300+ms and I lag extremely. But when I ...
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3answers
545 views

Ping returns statistics with duplicates

If I go into terminal and type ping -c2 -i30 (MY IP ADDRESS) I get a list of 80 entries with my ping statistics stating I've got +78 duplicates. Does that mean there are two devices connected to ...
1
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1answer
86 views

How much will frequent pinging affect smartphones battery life [closed]

I've got a small home network with a DiskStation NAS and a Raspberry Pi server, both of which can do various chores such as controlling power plugs among other things. I want these two machines to be ...
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0answers
17 views

Handle ping outputs

I using 'shell_exec' function in php to ping an address and I wanted to know what are the possible results so I could handle them. What I did is to try to get with regular expression the loss ...
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1answer
345 views

Ping, nslookup and tracert works, but I can't access server via browser - any ideas?

My office has a SBS 2011 running remote.domain.com/owa as a webmail service. I suddenly can't access this site in my browser anymore. Strange thing is that I can ping the domain with no losses. I can ...
2
votes
1answer
1k views

Why does ping to google.com or 8.8.8.8 fails

I am using Cent OS 6.4 and it is in a official lab. ping google.com gives the below output and hangs: [root@LAB1 ~]# ping google.com PING google.com (74.125.236.195) 56(84) bytes of data. ping ...
0
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1answer
272 views

Sending ping packets Stealthily

I have a task to send data "stealthily" in a ping packet between 2 kali machines. Does this have to do with "stealth mode". Is there a config file I need to edit to run in stealth mode.
0
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1answer
916 views

Speeding up ping

We have pretty slow internet which makes working online quite tedious some times the internet is just generally slow, 600ms ping, 0.90mb download. (we are in Londnon, can you beleive). But other ...
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2answers
7k views

what is type of ICMP packets? TCP or UDP

ping packets is a type of ICMP packets.Is there any relation between ICMP with TCP.In other can we guaranty their arrival in the network I want to know ICMP packets in the network is tcp or udp or ...
12
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2answers
2k views

If I ping 192.168.1.4, why is 192.168.1.2 responding?

When I run the command ping 192.168.1.4 I get the following results: Pinging 192.168.1.4 with 32 bytes of data: Reply from 192.168.1.2: Destination host unreachable. Reply from 192.168.1.2: ...
38
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2answers
12k views

Why is my “localhost” not 127.0.0.1? [duplicate]

When I use the Ping command to ping my localhost, it doesn't show up as 127.0.0.1. C:\Windows\system32>ping localhost Pinging GIGA [::1] from ::1 with 32 bytes of data: Instead, it shows up ...
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2answers
89 views

What all is there to know about ping while troubleshooting an internet connection?

What all is there to know about ping and the IP address to ping while troubleshooting/diagnosing a problem in the internet connection? For example: I run the command ping 192.168.1.1 -t in the ...