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

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27
votes
6answers
25k 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 ...
13
votes
8answers
92k 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 ...
310
votes
4answers
39k 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 ...
12
votes
5answers
32k 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 ...
1
vote
2answers
8k 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 ...
111
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 ...
3
votes
4answers
2k 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. ...
6
votes
4answers
57k 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 ...
13
votes
4answers
3k 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 ...
2
votes
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 ...
2
votes
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 ...
6
votes
2answers
14k 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?
4
votes
3answers
427 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... ...
3
votes
2answers
2k views

Get Windows ping and ipconfig tools

For some reason, my Windows 7 computer does not recognise the cmd.exe tools ping and ipconfig. I have tried to download them from the web, but I can only find tools that do similar stuff; not the ...
2
votes
1answer
196 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
0answers
473 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 ...
12
votes
2answers
32k 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 ...
20
votes
8answers
92k views

How can I ping a range of IP addresses simultaneously

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 ...
13
votes
4answers
10k views

How can I ping via an alternate gateway?

Our network has two modems, each one hidden behind a router. The primary router is on 10.1.1.1, the backup router is on 10.1.1.2, and are both configured to the 10.1.1.0/24 subnet. Both routers have ...
38
votes
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 ...
6
votes
2answers
1k views

What public IP should I use for long-term network test?

What IP address is OK to ping -f for a prolonged time (the whole day)? "4.2.2.2" or something else? The main concern is the admins there that may decide that it is some DoS and block/complain... ...
2
votes
2answers
13k 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. ...
1
vote
2answers
477 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 ...
0
votes
2answers
4k 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 ...
0
votes
3answers
5k 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
2answers
11k views

Enable Ping in Windows 7 Firewall?

Serverfault 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 ...
8
votes
2answers
5k 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 ...
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
3k 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 ...
5
votes
7answers
2k 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
4answers
30k 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.
3
votes
1answer
886 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 ...
3
votes
2answers
1k 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
7answers
10k 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
1answer
1k 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 ...
3
votes
1answer
9k views

VirtualBox cannot ping Windows7 (host), Windows XP (guest)

I have successfully installed a Windows XP OS on VirtualBox with Windows 7 as host. The Windows XP guest is able to navigate on the Internet but I'm not able to ping the guest from the host and ...
2
votes
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 ...
2
votes
4answers
6k 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
4answers
581 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 ...
1
vote
1answer
871 views

Ping to dnsmasq's host resolvesto 127.0.0.1

I've just set up dnsmasq in my home lan for the first time. I got it as DHCP and DNS. Something strange is that when I ping DEV01 (which has dnsmasq) it resolves to 127.0.0.1 and I don't know why it ...
1
vote
1answer
918 views

Cannot find local host via browser - can ping localhost and 127.0.0.1 ok

I have installed wampserver to start up some PHP-scripting, but cannot call localhost nor 127.0.0.1 via Chrome, Firefox or IE8. I have made sure that my host-file says 127.0.0.1 localhost I have run ...
1
vote
0answers
1k views

What to do if people can't ping me?

Today, I installed my new router so I can connect my other pc and my ps3. In my network, there are some other computers these are connected with each other through another router. So I have one modem ...
0
votes
1answer
4k 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 ...
0
votes
1answer
167 views

Is there any way to monitor the health of my Internet connection?

Is there a way I can log the health of my Internet connection like pinging a server then making a log/graph where I can see when my Internet connection were down??
0
votes
3answers
5k 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 ...
0
votes
5answers
9k views

Can't use ping in Ubuntu

I'm not sure this question is relevant in this forum, but I really need your helps. I'm using Ubuntu 9.04, and when I do a ping to any ip or host, what I got were always 100% packet loss. This is ...