Ping ölçer
Juliana Ellerbe
The ping binary sensor platform allows you to use ping to send ICMP echo requests. This way you can check if a given host is online and determine the round trip times from your Home Assistant instance to that system.This sensor is enabled by default. The default polling interval is 30 seconds.
A ping (Packet Internet or Inter-Network Groper) is a basic Internet program that allows a user to test and verify if a particular destination IP address exists and can accept requests in computer network administration. The acronym was contrived to match the submariners' term for the sound of a returned sonar pulse.
Ping is also used diagnostically to ensure that a host computer the user is trying to reach is operating. Any operating system (OS) with networking capability, including most embedded network administration software, can use ping.
For example, to find the dot address, such as 205.245.172.72, for any given domain name, Windows users can go to the command prompt screen (start/run/cmd) and enter ping xxxxx.yyy, where xxxxx is the second-level domain name, like "whatis," and yyy is the top-level domain name, like "com."
Ping works by sending an Internet Control Message Protocol (ICMP) Echo Request to a specified interface on the network and waiting for a reply. When a ping command is issued, a ping signal is sent to a specified address. When the target host receives the echo request, it responds by sending an echo reply packet.
By default, ping commands send multiple requests -- usually four or five -- and display the results. The echo ping results show whether a particular request received a successful response. It also includes the number of bytes received and the time it took to receive a reply or the time-to-live.
Echo requests and echo responses form the standard for troubleshooting ICMP messages. Virtually every OS with network support includes ping for troubleshooting purposes. However, the exact implementation varies slightly among manufacturers.
Ping is the cornerstone of standard network troubleshooting. For example, an IP address can be pinged by typing in 172.168.9.13. If the ping is successful, it means that it is on, and the two machines can talk to each other.
However, if the ping is successful but the response time is long, it indicates network congestion, routing or speed issues. Even pings that are unsuccessful offer valuable troubleshooting information. When it comes to network speed tests, ping is the standard.
At its most basic, ping can run with just a ping command and a destination, such as the name or address of a remote host. Since ping is used as a command-line utility, it is easy to use in a variety of scripts. An administrator can run multiple pings, record how they were used and place the output of ping commands into a text file for later review.
In network security, ping spoofing involves threat actors who send fake information to a server. When this happens, the false data appears, acts like the original data packets and is transmitted to the server.
In Discord -- a chat and video app used mostly by gamers -- a ping is a notification, most often on a smartphone or personal computer. When someone sends a ping, it pops up on the phone screen or desktop application.
Verifies IP-level connectivity to another TCP/IP computer by sending Internet Control Message Protocol (ICMP) echo Request messages. The receipt of the corresponding echo Reply messages is displayed, along with round-trip times. ping is the primary TCP/IP command used to troubleshoot connectivity, reachability, and name resolution. Used without parameters, this command displays Help content.
You can also use this command to test both the computer name and the IP address of the computer. If pinging the IP address is successful, but pinging the computer name isn't, you might have a name resolution problem. In this case, make sure the computer name you're specifying can be resolved through the local Hosts file, by using Domain Name System (DNS) queries, or through NetBIOS name resolution techniques.
I'm sure you recognize that ping is a common and relatively simple command. And, like many basic commands, there are some great options and techniques that make the tool even better. This article explores various tricks and tips to level up your ping knowledge.
By default, Linux sends continuous pings. Windows, by default, only sends four. One of my favorite uses of ping is to inform me when a remote server or network device has restarted. For example, imagine I'm remotely connected to a Windows server from my Linux laptop. The server needs to be rebooted before I can continue with its configurations. I can issue the reboot command and then set up a continuous ping from my laptop to the server. When the ping results show success, I know the reboot process on the remote machine has been completed. In the meantime, I can work on other projects.
I've already uncovered some good uses for ping with the above options. I particularly like the ability do a quick name resolution query. I've used the continuous ping during reboots trick more than any other, however.
You can use the ping command to test name resolution services, too. If you ping a destination by IP address, and the ping succeeds, you know you have basic connectivity. If you ping the same destination by hostname, and it fails, you know name resolution is not working. This is because ping could not resolve the given hostname to an IP address in the second test.
The timeout message indicates that your machine believes it successfully sent ping queries to the destination. However, it did not receive replies within a specified time, so it "timed out." The misconfiguration is likely on the destination end or on the network between your machine and the destination. Your machine sent the queries, but the destination failed to reply. Start by checking that the destination device is on, physically connected to the network, and has a valid IP address. Verify router and firewall configurations after that.
For example, what if you don't have Nmap installed but need to see what hosts are up? Add the -b option to run a ping broadcast to an entire subnet. This displays the hosts that are currently up, thought it's not as effective as a simple Nmap scan.
You can also change the size of the ping packet payload. The header is always 28 bytes, so add on the amount you want plus 28 bytes to get the total size. The default is 64 bytes. To send a ping with 128 bytes, type the following:
There is a GUI for ping - gping. Using a GUI could be handy for tasks like monitoring rebooting servers, as mentioned above. From across the room, you could view the status of a continuous ping result. Sometimes a graphical view is just easier to work with or useful for demonstrations. You can find gping at its official Git page. It's available for various Linux distributions, macOS, and Windows. There are several different package types available for several other installers.
Finally, a reminder: Many routers are set to drop ICMP-based packets, such as those used by ping (and traceroute). ICMP, in general, can be used for various attacks, and so routers may be configured neither pass nor respond to ping requests. This is something to keep in mind while troubleshooting network connectivity.
Sure, ping is a simple tool that you've all worked with a lot, but there are some great options to modify its behavior and some good techniques to use when troubleshooting. Did you discover at least one useful thing you didn't know from the above list? And how about gping? Can you think of any good uses for a graphical version of ping?
I just got my new xr1000 router today.... It's been 6 hours now and I've only had a headache. So far, at least the geofilter has managed to set my location. Of course, nothing else happens. The ping heatmap doesn't work either, and it doesn't even include Valorant... Well, in my own opinion, this router probably won't even reach the medium gaming router. But by no means high-end (but of course the price show that). Not to mention having to wait minutes to change 1-1 settings, a long seconds to move from one menu item to another. Big disappointment. And even though I've been on the line with advanced support for more than 2 hours, of course they can't help. For this kind of money, I shouldn't have to wait for constant synchronization. Because as I read the forums, this is the problem many times. But that doesn't help in most cases either.
Regarding Ping Heatmap, I've spoken to the team and we'll see if we can get Valorant added for you. I suspect the reason it hasn't already been added is because all of the information for server locations and ping is available in the game.
This plugin is a generic plugin, i.e. it cannot work without configuration, because there is no reasonable default behavior. Please read the Plugin ping section of the collectd.conf(5) manual page for an in-depth description of the plugin's configuration.
This module is part of ansible-core and included in all Ansibleinstallations. In most cases, you can use the shortmodule nameping even without specifying the collections keyword.However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible.builtin.ping for easy linking to themodule documentation and to avoid conflicting with other collections that may havethe same module name.
To further confuse the issue, from the CLI I can ping the default route configured for the RD both in and out of the RD, e.g 10.10.10.1 = OK and 10.10.10.1%4 = OKBut trying to ping one of the members this fails on the RD config, 10.10.10.50=OK, 10.10.10.50%4 = FAIL.
The problem arose due the default gateway being a Checkpoint firewall that was dropping the ICMP echo-replies as it did not see the originating echo-requests as they went direct! If this had just been a basic router the traffic would have completed it's jurney back to the F5, albeit by a different path than the outbound echo-request.
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