Questions tagged [ping]

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

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How to detect by remote connection whether a particular computer is running a Windows or Linux operating system? [closed]

I have a few options (homework): If port 80 is open - Linux If ping request is not responded - Windows If port 3389 is open - Windows What is the correct answer?
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1answer
16k 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 ...
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1answer
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Can't ping from Host machine (Linux Mint) to Guest Os (Ubuntu)

I have a Linux mint installed on a dual boot system and on that I have a virtual machine with Ubuntu running on it. When I select the network card to NAT the guest pings to the host but the host doesn'...
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9k views

Reply From < IP address >: Destination Host Unreachable

This is the first time I've delved into this and stumped as to what is causing the issue. I've setup a network as follows: DC: 10.1.1.20 SRV-A: 10.1.1.22 SRV-B: 10.1.1.24 SRV-C: 10.1.1.26 SRV-D: 10.1....
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Windows 10 Desktop Wi-Fi via USB adapter keeps disconnecting and cannot reliably ping Google DNS

This is a Windows 10 Desktop I've used for two years. About 6 months ago, the USB Wi-Fi adapter started disconnecting after logging in, requiring a manual disconnect and reconnect before it would ...
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My Router's Ping Suddenly Gets High from 2 or 3 ms to 40 and 60 ms

So I bought a new router after the old one was hit by a lightning; the new one is TP-Link WR840N but what I'm facing is that suddenly the ping gets so high with download/upload speed getting so slow ...
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1answer
4k views

Default gateway ping too high

I have a cable modem router C7000-100NAS. I can't seem to figure out why when I ping the default gateway(192.168.0.1) I get high pings ranging from 8ms to 500 ms, this is NEVER below 2ms as it should ...
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3answers
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Internet is slow and intermittent connectivity, but running ping in windows command prompt displays “General Failure”

When browsing the web on my Dell Optiplex 7010 running Windows 10, the internet is somewhat slow and sometimes even cuts out for a while. Running an internet test, it says that my download is over 80, ...
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1answer
52 views

Windows and Linux machines on network cannot ping each other- One reports Destination Host Unreachable, other reports Request timed out

I have two Windows 10 PCs and one Fedora 33 Linux machine (all physical machines) on my home wireless network, using ASUS RT-AC3200 router powered by Asuswrt Merlin version 384.13_10. I am attempting ...
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2answers
77k views

what is type of ICMP packets? TCP or UDP

The ping packet is a type of ICMP packet. Is there any relation between ICMP with TCP? In other words, can we guarantee their arrival in the network? I want to know if ICMP packets in the network are ...
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Can't resolve local hostnames when DNS server is set to google's (Win 10)

I was trying to access the public folders on my laptop (backup-pc), connected to the same LAN as my desktop, but it kept giving me an error about wrong credentials. Digging into the problem, I ...
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1answer
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Result of Ping between two devices connected to the same router is different

For my research, i have 2 devices (Raspberry Pi and Laptop) connected to same router by cable and running speedtest by ookla software to the same server with ping, download speed, upload speed ...
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1answer
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Intermittent Internet Interruptions

I've been having internet issues for some time now. Browsing web pages is mostly a non issue; once in a blue moon a webpage will timeout. This happens on my wired laptop and and smart TV. My major ...
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1answer
4k views

Why is 32bytes the default ping size? Is it okay to use less?

I have a very large number of addresses I need to ping on a company network. I want to be as unobtrusive as possible. Would using ping 1.1.1.1 -l 1 reduce the strain on the network? Is the difference ...
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Timeout in new requests but existing connections remain

I often encounter some weird timeouts where I get a timeout when searching in the web for example. However an existing connection e.g. on a Discord voice chat or on a game server persists without any ...
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4answers
103k views

How can I monitor my ISP's connection quality over time?

I've got a very bad ISP and want to monitor the connection quality over a month's time. At the moment I just wrote a script which logs ping requests to Google's DNS server 8.8.8.8. How can I do ...
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1answer
3k views

openVPN connected but can't ping

I'm currently installing an OpenVPN clent+server to have a remote acces to my server files. I've set up both side, generated the keys and now my client can be connected (with the green icon). Once i'm ...
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Is it possible to find the time a ping request takes to reach a public IP address?

Ping reveals the round trip time, but is it possible to learn how much of that time was spent reaching the destination?
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1answer
3k views

Why I can't ping external IP and resolve DNS from this Linux Ubuntu machine?

I am not so into networking and systems engineering. I have an Ubuntu 18.04 VM that is in a network of a client that is 1) Unable to perform ping of addresses external to the network (but I can ...
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5answers
91k 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 ...
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1answer
60 views

Can't ping from gnome extensions

I'm running GNOME Shell 3.36.7 on Fedora 32. I have the following gnome extensions that would display ping status (I have the most recent versions installed from extensions.gnome.org, and I only run ...
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1answer
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Connection to an external wifi network is established but pings aren't going through - using ipv6

So I am using a WiFi chip on an embedded board, and I set it up as a supplicant to connect to an external network and i'm able to to do it fine, but it just pings don't go through and i'm not sure if ...
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Network Unreachable Error when trying to ping DNS on Ubuntu

I encountered these error messages when trying to run sudo apt update: Err:1 https://deb.nodesource.com/node_10.x focal InRelease Temporary failure resolving 'deb.nodesource.com' Err:2 http://...
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2answers
6k views

How to check if a VPN is installed on a computer

I have computer 1 and computer 2. I can't ping 2 from 1. But I can ping 1 from 2. I think that a VPN is installed on computer 2. How to check if this is the case ?
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Why does “ping X” work, where “X” is an arbtrary whole number?

So, I discovered a strange quirk of the Windows 10 ping utility. If you ping a whole number instead of an IP address, it will "convert" that number to an IPv4 address. The conversion is such ...
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1answer
3k views

Can Network Card cause high ping?

I have windows 7 x64 VoIP Modem. Arris Modem. 12Mb cable internet ASUS P5K motherboard with built in Atheros L1 network card. Few month ago my downloading speed started to slow down from 12mb ...
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1answer
37 views

How can I ping a list of domain names and returning the IP address along with each domain?

I have a list of domains I want to ping, and I want to return the domain name and the IP address it resolves to in a similar fashion to how ping returns for one domain: PING domaina.com (1.1.1.1): 56 ...
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1answer
31 views

Cannot ping router (from internet)

I can go to a "whatsmyip" site and it correctly reports the external IP of my router, however if I then try to get my girlfriend (who lives in another country) to ping that address, it doesn'...
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1answer
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Windows Powershell using python Ping instead of default

I am trying to run a ping using windows powershell, but this is the result: ping google.com Traceback (most recent call last): File "C:\Program Files\Python36\Scripts\ping.py", line 31, in ...
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use servername for remote connection through opnevpn instead of IP address

I'm on Linux (Ubuntu 20.04 kernel 5.4.0-56-generic) and I make vpn connection using openvpn to my workstation which is windows 10 (I use RDP connection through remmina) when I use my workstation IP ...
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2answers
102 views

PING Remote Desktop Client using batch

I want to create batch file to ping my PC (RDP Client) from my workstation in the office (RDP Host) but my PC IP is changing each connection (because of using VPN) so I want to combine these two ...
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1answer
4k views

Host seems down Nmap?

I'm currently running Nmap 7.50 Im trying to execute the following command: nmap -p 1-65535 -T4 -A -v IP But when I do that it says Host seems down. If it is really up, but blocking our ping probes I ...
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1answer
44 views

monitor PID and respawn processes in bash script (simulatord, nc, ping)

For a student environment, I have a simple bash script that runs upon boot up on Ubuntu 18.04 (@reboot in crontab -e). It runs ok (java file starts, netcat starts, pings, and all PIDs are viewable via ...
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4answers
113k views

Ping to Windows 10 not working if “file and printer sharing” is turned off?

I have one Windows 10 computer on a local network. When I try to ping the Windows 10 machine from some other computer, it fails (Request timed out). From the Windows 10 machine, I can ping other ...
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1answer
46 views

Connecting two computers using an Ethernet cable

When you connect two computers using an Ethernet cable (Crossover) you are technically using layer 1 and 2 technologies. Layer 1 = Ethernet cable (The signalling aspect) Layer 2 = The computer's NIC ...
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PC A can ping to PC B but i cannot reverse ping

all i have an issue working on my assingment for studies. the work is done on a VM hosting service online provided by the institution in which this particular assingment is an online lab The topology ...
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Ping works but not telnet

I want to telnet a target server from a Linux server. I ping the target server but telnet gets a timeout. I try to telnet the target server from my laptop (Windows 10) and it works. Can anyone tell me ...
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1answer
51 views

On my home network, host A can ping host B but not the other way around - Windows 10

I am currently learning about network engineering and was in the middle of monitoring my ARP cache when I realised I could ping my Windows 10 laptop (192.168.0.12) from my Windows 10 desktop (192.168....
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1answer
46 views

Cannot ping VM hosted on Windows server from another PC machine

Here is my configuration: Windows Server 2019 with Linux CentOS 7 installed on VMWare Workstation 16 Pro Windows Server has domain controller I'm using NAT as connection I can ping the Linux from ...
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9 views

No reachability in the network with remote controller

I am using the code below. Here I first add hc as host and after starting net I ran a simple switch in hc to make it a controller. The problem is there is no reachability in the network i.e. ping is ...
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2answers
2k views

Is there a utility to ping a server using aliases in ssh config (instead of /etc/hosts)?

I'm trying to standardize my server aliases across projects by linking together ssh config files that I can keep under version control. I'd like to be able to just define machine aliases along with ...
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2answers
4k views

Some devices on LAN can't ping other devices

I have a Ubee cable modem (DOCSIS 3.0) which also serves as a wired/wireless router and DHCP server. I have devices which are on the LAN and receiving addresses from the Ubee that I can't ping from ...
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1answer
123 views

Windows ping to Any IP including 127.0.0.1 hangs, but internet works

I have weird behavior on my Windows 10 operating system. Any ping/tracert command hangs and nothing happens. I have never seen something like this before, and all i have found in the google aren't my ...
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1answer
3k 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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3answers
98 views

No internet, but can ping from cmd

My internet was working fine, but one day it stopped working at all (I am using ethernet connection). It just says 'No internet'. I can ping www.google.com and ping 8.8.8.8. but when I launch the ...
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Multi-machine Network Setup: Cannot ping machine on different subnet but the reverse ping works

[Ubuntu 18.04] My connection setup is as follows: Laptop (Wifi: 192.168.43.181) <---> Jetson 1 [ROS MASTER] (Wifi: 192.168.43.2) | (Ethernet: 10.42.0.1) <--> Jetson 2 (Ethernet: 10.42.0.2) ...
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1answer
74 views

Use ethernet and wifi simultaneously for better ping and speed on windows 10

I know that using ethernet and wifi is possible on windows 10, but I don't know if it will solve my problem. I need fast internet for my work, as well as good ping for games and what video calls. The ...
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1answer
163 views

Does a USB-C ethernet adapter have a higher latency than a regular ethernet port?

Unfortunately, my new gaming laptop does not have a physical ethernet port. Will a USB-C to ethernet adapter produce the same latency(ping) as a physical ethernet port would? Also, how much CPU would ...
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2answers
3k views

Timeout while testing MTU via ping

I tested it on Windows 7 and Ubuntu 11.10 with MTU size 1500B. IP packet - 20B ICMP packet - 8B 1500 - 28 = 1472 So maximum packet that I could ping without fragmentation is 1472B, and this is ...
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29 views

Cannot create a bridge using bridge utils

I am trying to set up a very simple 3 pc lan setup to do some network emulation using NetEm. PC1 ---------------- Emulator Box (Running Linux 18.04)------------------- PC2 The emulator box is running ...

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