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

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349
votes
4answers
44k views

Why does pinging 192.168.072 (only 2 dots) return a response from 192.168.0.58?

I mistakenly missed the dot off of an IP address and typed in 192.168.072. To my surprise I connected to a machine at 192.168.0.58 If I ping 192.168.072 I get responses from 192.168.0.58. Why is ...
27
votes
6answers
51k views

Why is there a difference between ping “localhost” and ping “local IP address”?

Using cmd and ping on Windows gave me the following results: Pinging "localhost": Pinging "192.168.0.10" (local IP address): Aren't both situations exactly the same? I mean, I'm pinging ...
22
votes
10answers
202k views

Why do I get “General Failure” when pinging host name on a Win 7 node on the network?

This is a very peculiar problem with a station on our network. The client pc is running Windows 7 Pro. What makes this problem interesting is that this client is the only node on the network that ...
1
vote
2answers
12k views

What can I do about “ping flooding”?

Recently I have started getting period of poor connections on my home LAN. So, today after my connection was unresponsive for a while once again, I decided to take a look at what was the problem. The ...
26
votes
5answers
98k views

Pinging a machine on my local network gets an 'unreachable' response from my own IP address?

Edit for future readers who get here from google: This question is now the top google result when searching for 'destination host unreachable from my own ip address'. If that's how you got here, then ...
16
votes
5answers
60k views

how does 'ping' command really work?

How does the ping command really work? Specifically where does the ARP (Address Resolution Protocol) come into picture? I was asked this question in an interview and I was not able to come up with ...
118
votes
7answers
5k views

Why can't I email myself at: MyEmail@74.125.235.55?

I opened cmd and typed ping gmail.com. It shows me: C:\Windows\system32>ping gmail.com Pinging gmail.com [74.125.235.55] with 32 bytes of data: Reply from 74.125.235.55: bytes=32 time=6ms TTL=56 ...
27
votes
3answers
64k views

how to ssh to a ipv6 ubuntu in a LAN?

I'm able to ping my Ubuntu box via command: (where c2h2ttt is listed in /etc/hosts) c2h2@c2h2crawler:~/ttt$ ping6 -I eth1 c2h2ttt PING c2h2ttt(c2h2ttt) from fe80::21b:21ff:fe22:e865 eth1: 56 data ...
28
votes
9answers
188k views

How can I ping a range of IP addresses simultaneously [closed]

I have a bunch of machines on an IP address range which I want to ping simultaneously as a quick and dirty way of telling which ones are switched on. What (free) software can I use to do this? I'm ...
10
votes
4answers
91k views

Save Ping Output in a text file

I often have to ping servers for connectivity status. Is there a way to save the ping results (output) in a text file so that I can save entire day's ping results in a text file. I am using Windows ...
15
votes
4answers
6k views

Negative ping time?

This is the first time I've seen this and I'm not sure what it means; 64 bytes from 74.125.93.99: icmp_seq=6233 ttl=53 time=545.493 ms 64 bytes from 74.125.93.99: icmp_seq=6234 ttl=53 time=776.093 ...
8
votes
2answers
29k views

How to ping when behind a proxy?

I am using an HTTP proxy server to connect to the internet. Because of that my pings are not working ping www.google.com says Unreachable Host How can I configure ping to use the HTTP proxy?
3
votes
2answers
10k 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 it....
3
votes
1answer
17k 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 ...
3
votes
1answer
909 views

Show current ping to website on Taksbar

I'm looking for a way to monitor my current internet connection quality by showing the ping-response to a website like google in the taskbar on the right side. I'm using Windows 8.1. Kind of like ...
1
vote
1answer
3k views

Why is IPv6 ping failing to access google.com?

I have found that ping google.com from my Windows 7 box has stopped working. Below is the output - note that the IPv4 ping works, and Yahoo works. Is my local router at fault here? C:\Users\Jeff>...
1
vote
0answers
545 views

Cannot Resolve Host Or Access Website Through Router

This is weird. I am on Windows XP with Edimax BR 6204Wg. I have 3 devices - 2 laptops and 1 smartphone. 1st laptop and smartphone are connected through WiFi to router and 2nd laptop is connected ...
0
votes
2answers
789 views

I can’t ping my router from the outer [closed]

I am trying to remote the server of my company from my home. I enter the router of the company and I get this info: Internet, IPv4 POST LuxFibre LAN1 NG, IP address: 10.244.149.239 But I also ...
140
votes
10answers
152k views

Is it possible to ping an address:port?

I am not into networking, and I have the following question related to the Linux ping command. Can I only ping an address? For example: miner@raspberrypi ~ $ ping onofri.org PING onofri.org (67.222....
42
votes
2answers
37k views

Why is my localhost not 127.0.0.1 but ::1, and what notation is that? [duplicate]

When I use the Ping command against my localhost (on Windows Vista), 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: ...
16
votes
5answers
46k views

How can I perform a ping every X minutes and check the response time?

I am currently working in a big company and we have serious latency issues. This is happening in a process control system, and is unacceptable (Open a valve sometimes take 2 minutes before command ...
3
votes
4answers
4k views

A better way to monitor my internet connection other than ping

edit: despite the very good answer I once accepted, now I'm look for a simpler tool that requires no installation or preparation. Something like a ping with a timestamp would be of great help already. ...
2
votes
3answers
14k views

Enable ping in Windows 7 firewall?

Server Fault tells that the new syntax to enable ping on Windows Server 2008 is netsh advfirewall firewall add rule name="ICMP Allow incoming V4 echo request" protocol=icmpv4:8,any dir=in action=...
4
votes
2answers
13k 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 ...
4
votes
8answers
17k views

Why does the PING command in my batch file execute in a loop?

I created a .BAT file in Windows 7 that has the following line: PING XXX.XXX.XXX.XXX -t (XXX replaces the actual IP number). However, when I double click on this batch file, I can see the PING ...
3
votes
2answers
26k views

Pinging own machine returns an IPv6 address instead of IPv4

When I ping my own machine I get an IPv6 address: Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms I used to get the IPv4 address (eg. 192....
2
votes
1answer
53k views

How to ping an IP address from an Android device? [closed]

Is there a way to ping an IP address from an Android device (like an Arc S or LG PRADA)? Is there a Android built-in application or am I to download an app for my task?
2
votes
1answer
1k views

Window 8 machine cannot ping devices on same subnet

After returning from vacation during which several Windows updates were applied and my router suffered a hard power cycle, my Windows 8 Desktop can no longer ping other devices on the same subnet. ...
9
votes
2answers
9k views

Why do companies block 'ping'?

I can browse all the websites in my company work station, but not open the command prompt and ping any website. This has happened in 2 of my previous companies too. Do companies block ping?Why do ...
3
votes
1answer
110 views

Log ping and date isn't working [closed]

:START echo %date% %time% && ping -n 1 192.168.1.1 >> pingReport.txt 2>&1 echo %date% %time% && ping -n 1 192.168.1.2 >> pingReport.txt 2>&1 echo %date% %time%...
3
votes
1answer
3k views

Ping server/domain and capture its IP on Linux

With Windows, you could ping a given domain name and capture the IP as a variable, even if no reply was received. I believe the command looked something like this: ping domain.com for /f "tokens=1,2 ...
1
vote
2answers
830 views

High latency/ping to local gateway WHILE STREAMING [wireless]

Recently I've become fed up with my wireless internet and want to identify the problem. I don't have a patch cord yet to test a direct connection but so far every computer I've tested has reported ...
1
vote
3answers
11k views

Two devices cannot ping each other through WiFi

I have WiFi router connected to the Internet through pppoe. Router has latest version of firmware installed. I have no any antivirus software running and firewall enabled. My router is ASUS RT-N10LX(...
0
votes
4answers
9k views

not able to ping server or but can RDP

Im on Windows Server 2012 and earlier today I stopped being able to connect to my website. I tried to connect to RDP to check the error log. I could connect and login, but the error log was empty. I ...
0
votes
1answer
7k views

Online computer not responding to pings

I was doing a bit of scanning on my network lately, knew all the hostnames to each computer connected. But whilst pinging one of them ping returned Request timed out.. This is strange as I know the ...
0
votes
3answers
8k views

Factors affecting network latency

I frequently maintain a constant connection with some private servers. I need to be connected with very little latency. The servers measure response time (*ping) in milliseconds. What factors come ...
8
votes
4answers
53k views

Why does 'ping' returns 'request timed out' for some hosts?

For some hosts, ping www.example.com it resolves their IP but why does it fails with request time out? I have also tried to increase the ping response time but still the same result.
7
votes
6answers
28k views

Can ping IP address and nslookup hostname but cannot ping hostname

I have a DNS server set up on one of my machines using BIND 9.7 Everything works fine with it. On my Windows 7 desktop, I have statically-assigned all network values. I have one DNS server set -- my ...
5
votes
8answers
3k views

How to explain low RTT between extremely long (10s) ping intervals?

I am using the ping utility to troubleshoot what seems to be a slow Internet connection on my home network, but I'm finding the results unusual and difficult to interpret. I have a Linksys wireless ...
5
votes
1answer
2k views

linux ping not actually sending 1 packet per second

I've been experiencing some odd behavior. While on a congested wireless network I run $ ping google.com I expect one packet to be sent out each second and only some of them to come back with a ...
5
votes
2answers
5k views

Stubborn APIPA Issue (possible IPv4 problem, IPv6 = okay?)

I have one Windows 7 desktop that seems to be stuck on an APIPA address. It can see the other computers in the workgroup, but seemingly only communicate via IPv6 (see below), and can't access outside ...
4
votes
3answers
579 views

How does ping(8) work?

I was learning server/client basics, as part of my networking programming skills development. So basically I write server listening on some port, and client connecting to it and data flow goes on... ...
4
votes
2answers
3k views

How can I determine if a certain machine exists on the network?

How can I determine if a certain machine exists on the network? If I ping the IP address, would that be sufficient?
3
votes
1answer
2k views

Pinging localhost versus pinging 127.0.0.1

If I ping localhost, I receive a reply from ::1 which IIRC is the IPV6 loopback address. If I ping 127.0.0.1, I receive a reply from 127.0.0.1 as expected. Why is there a difference when hostname ...
2
votes
4answers
741 views

Pinging *.5 and replies from *.4

This may belong on SF, migrate if it does! Pinging 192.168.1.5 with 32 bytes of data: Reply from 192.168.1.4: Destination host unreachable. Reply from 192.168.1.4: Destination host unreachable. Reply ...
2
votes
1answer
239 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 ...
2
votes
4answers
8k views

Ping myself, works with ipv6 not ipv4 in Windows 7

I've tried to solve the following problem with no luck and I need some proffesional help. The following is possible: Ping all computers (that I tried) in the domain without problem. Ping myself ...
2
votes
3answers
4k views

Ping fails between machines on same network

config internet -> Arris CM/WAP stock -> Netgear 2000 DD-Wrt v24 (wired connect to CM) All machines have internet access Netgear 192.160.0.2 CM 192.168.0.1 machine 1 - wired to netgear 192.168.0....
1
vote
1answer
8k views

Not able to ping remote server

I am getting Request Time Out on pinging a remote server. I am on my laptop connected to the this server via Remote Desktop Connection. tried but still not able to ping it. I just want to ellaborate ...
1
vote
1answer
2k views

Mac OS X Mountain Lion can't ping/telnet localhost. Point to a wrong public IP

I've been developing Node.js apps on my localhost on port 1337 for last two years with no problem as shown below. $ node app App started on port 1337 Today I wanted to test how things go with ...