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

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What does it mean, if no response for ping (not even timeout)?

I'm trying to ping a VM from KVM Host over the bridge (maybe this informations is redundant). And there is no response to the ping, not even "host unreachable" or "timeout" What does it mean? Update: ...
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1answer
274 views

One way high ping when directly connecting two devices

i have just made crossover cable, and connected my desktop computer with laptop to test it, but i am experiencing high ping on laptop > desktop desktop 10.10.10.1, laptop 10.10.10.2 pinging laptop ...
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1answer
497 views

Some VM's can Ping a Server, but other VM's can't

We have a collection of VM's, each one is hosted on Server1, all of them need to be able to connect to/ping Server2. VM1 can ping Serevr2 VM2 can ping Server2 VM3 cant ping Server2 VM4 cant ping ...
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0answers
242 views

Configuring port forwarding for SSH - no response outside LAN

I recently moved, and at the same time purchased a new router (Linksys E1200). Prior to the move, I had my old router set up to forward a port for SSH to servers on my LAN, and I was using DynDNS to ...
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1answer
1k views

How can I block ICMP/PING/Traceroute on Mac OSX Server?

I understand that on Linux I do: // allow echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all // block echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all // permanent block (edit /etc/sysctl.conf) ...
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3answers
4k views

Why can I ping a computer using its IP address but not its computer name on my VPN?

We have a VPN set up that is a little troublesome. It doesnt assign a gateway IP address (a separate issue) but most annoyingly, I cant ping machines by their computer name, I have to use their IP ...
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1answer
3k views

Can't ping 8.8.8.8 from Virtual Machine in Azure

I created a Virtual Machine in Windows Azure (Windows Server 2008). Accesed using remote desktop connection and opened cmd. Then tried to ping 8.8.8.8 (which I can from my computer) but I got: ...
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0answers
302 views

Ping to router gives high latency at random

Using MultiPing I'm pinging to my router (192.168.0.1), but at random this gives high latency of >500ms or packet loss. I have two other routers in my network (but configured as switches) which give ...
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1answer
327 views

what is the effect of using 'ping -m' (tagging the packets)

i was going through the man pages of ping and i found a -m option there.. so how does this effect my packets? its something like tagging the packets. ping 8.8.8.8 -m 2 ...
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0answers
236 views

packet loss and unable to ssh

I am trying to connect to a linux server from my linux machine using SSH over LAN. I don't know what the problem is but sometimes I can ping the server but can not ssh whereas at other times I am ...
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1answer
3k views

ping works but not telnet in putty

I am trying to ping one remote server. I am surprised that ping works but not telnet. ping 174.25.366.25 --connection is successful. where as telnet 174.25.366.25 --connection timed out I also ...
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0answers
111 views

I want to ping an IP via a router on Ubuntu

I have a router which runs openwrt with 3g and an ubuntu PC. I want to be able to ping an IP: 8.8.8.8 from the PC, but have it routed through the router. Does anyone know how I'd go about setting ...
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2answers
6k 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 ...
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2answers
2k views

LINUX Ping host, Display error on failure

I'm writing a bash script to ping a given hostname, and display whether or not the host is active (display a simple message.) Should be easy, but headache instead. Here is what I have so far: ...
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1answer
1k 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 ...
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1answer
55 views

How to test hosting before picking one?

I'm looking for fast and cheap hosting at the moment and I don't want to rely on users opinions only (many if not most of them are sponsored by, or are actually from, the companies themselves anyway). ...
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0answers
369 views

http ping to restart service

This tool checks if a website is offline or not. http://www.coretechnologies.com/products/http-ping/ I'm trying to create an automated process to run that file and check domain.com, if pinging fails ...
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1answer
1k views

How can I run an arbitrary command when ping completes?

How can I construct a command to ping a host every minute or something, then run a command when it doesn't time out (when the pinged host comes online)? Basically I want the following pseudocode: ...
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1answer
396 views

What does this router-log file mean?

I was just checking the router's logs to see what kind of information is stored, and I find this file: "May 14 21:13:36 ","PING-FLOODING flooding attack from WAN (ip:89.170.246.114) detected." "May ...
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1answer
517 views

Why is the ping on microsoft.com so bad? [closed]

I'm getting these ping results for microsoft.com and outlook.com: Arthurs-iMac-2:~ arthur$ ping microsoft.com PING microsoft.com (65.55.58.201): 56 data bytes Request timeout for icmp_seq 0 Request ...
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2answers
2k views

How does 0.0.0.0 binding happen in linux?

A ping to 0.0.0.0 responds from 127.0.0.1. However, if I shutdown the localhost loopback and keep another interface up with another ip, then ping 0.0.0.0 gives an error $ping 0.0.0.0 connect: ...
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1answer
55 views

Can I track how far a request makes it onto the internet?

If I send a request over the internet is there a way for me to track all the servers it goes through? I know I can in the terminal type: ping superuser.com and get: PING superuser.com ...
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1answer
127 views

Ping/Broadband QOS over time tool for mac

I work on the train using a mac tethered to my 3G mobile. Connectivity drops out sometimes, but not enough to stop me from working. Am thinking about switching phones, but before I do, I'd like to ...
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1answer
1k views

Why Wireshark is not showing high layer packets like ICMP/IP/UDP? (Only broadcast packets are shown)

I am using Wireshark for 802.11g sniffing. The AP is not using any encryption. These are my observations: The vast majority packets are beacons and the probe requests. If I filter out beacons using ...
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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. ...
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0answers
75 views

Unable to ping just 1 computer on the network

I have 2 computers on the network (Computer A & B). There are also other computers on the network. From Computer A I am able to ping all other computers on the network except Computer B. ...
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2answers
2k views

Ping statistics without stopping ping

Is there a way to see a running-total ping statistic, without needing to stop and restart ping? When running, I see this: 64 bytes from 8.8.8.8: icmp_seq=3758 ttl=52 time=32.387 ms 64 bytes from ...
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3answers
2k 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 ...
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1answer
18k 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?
0
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1answer
134 views

Cannot SSH/RDP until after pinging URL

If, after starting system (freshly installed Linux Mint 13), I try to run: ssh mywebsite.com it hangs up with "Connection timed out". but when I open the browser and enter mywebsite.com there (or ...
2
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2answers
340 views

Why does ping sometimes decrease in a traceroute?

I've run a traceroute. (see image). The "Avg" column shows that on hop 7, the ping actually decreases between ping 6 and 8. This can't be due to an anomaly because this data is averaged over 24 ...
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0answers
144 views

Youtube buffering weirdness

sometimes I have problems when loading some youtube videos. To settle the obvious: when running these tests, I was the only one actively using the internet connection in the home and there was no ...
1
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2answers
216 views

ping using mac addresses or link local ipv6 addresses

I have 4 Virtual Machines (Ubuntu 12.04) running on a host that is also running Ubuntu 12.04. The Virtual Machines are named: switch-vm vm-1 vm-2 vm-3 Below are the network settings on switch-vm: ...
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2answers
4k views

Laptop can ping, but not browse. Clean windows install. Telnet doesn't work. Not the network

The laptop is able to ping and tracert, but not browse the internet. I'll start by saying what I've already ruled out: It is a completely fresh windows install The network works fine for the other 5 ...
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1answer
1k views

Laptop can ping and tracert, but browser, telnet doesn't work

Every other system on the network works fine, no changes have been made to router, and problem existed on a different network, so I don't think its an external problem. Pretty sure it's an issue with ...
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2answers
388 views

is it possible Pattern ping in windows?

Is it possible to pattern ping in Windows, like we do in linux (ping -p ff [dest_ip]?
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2answers
4k views

Ping fails to find host but NSLookup resolves okay

We have an intermittent problem on Windows 8 whereby Ping fails to find the host but NSLookup resolves it correctly. Ping host1 - fails with ping could not find host Ping host1.domain.local - also ...
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0answers
23 views

What are these Request Time Outs in Tracert? [duplicate]

I am having dual router/modem ( I don't know the correct term ). IP of first router is 192.168.1.1 . This is the router which is connected to phone line. Then I have another wifi router , its IP is ...
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1answer
2k views

Ping/tracert works, but not browser or any windows programs. Tried USB WiFi and reformatted already

My laptop used to work fine. My girlfriend was moving to California for a month, so I gave it to her to take with her. It worked fine the day before she left. Once she got there, it wouldn't work. ...
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5answers
349 views

Pinging to a Linux machine to check if it's online

I'm using ping to check if a Linux machine is online and ready to be used. However, ping doesn't really tell you if the system is actually doing anything useful, just that the kernel's network ...
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1answer
44 views

Win Server 2008 Ping with wait command

When use -w option with Ping command then Ping command should wait for the given time period before giving time out or destination host reachable error I tried following command ping 192.168.151.45 ...
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3answers
3k views

Which ping sends “ICMP echo” as payload?

Our web server is under attack for a long time now (at least several months). We get some 50000 ICMP Echo-request messages ("pings") per second. If I have a closer look at them, I can see that almost ...
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2answers
938 views

Can't access my computer after installing VirtualBox on it

There was a similar question 2 years ago, but everyone confused guest/host OS. After installing VirtualBox on my Windows 7 box, I can no longer ping it or access it from anywhere within the LAN. ...
1
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1answer
232 views

Error in pinging localhost although have internet

i am working with my laptop lenovo think pad Edge. i don't have any problem with internet, my internet is ADSL and i have an access point and connect to it with out any problem. but when i run CMD ...
0
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1answer
216 views

Localhost pinging when there is no network card

How it is possible to ping localhost when there is no network card.
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0answers
214 views

Under what circumstances does the scp command fail?

I have two linux(redhat 5.6, 64 bit) servers(hp proliant 380p g8), server1's eth0,eth2 bonded to bond0.Similarly server 2's eth0,eth2 bonded to bond0. server1's eth0 connects to cisco(3560 catalyst) ...
0
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2answers
252 views

Cannot ping Wireless IP when ethernet is connected

I have a computer with a USB-to-WiFi adapter and and Ethernet port. When I connect the PC to the wireless network I receive an IP and I'm able to ping it. However when I connect the Ethernet cable as ...
0
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1answer
5k 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 ...
2
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1answer
345 views

Connected via UMTS but can't ping default gateway

I have a UMTS modem/Windows computer that can't connect properly to the internet. It gets an active PDP context and Windows gets an IP address from DHCP, DNS and default gateway addresses. But no ...
11
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3answers
4k views

Using ping google.com to test connection

Since the internet connection in our house does break down from time to time I set up a little experiment: For the last two month, one of my machines is pinging google.com on an half-hourly basis. ...