Questions tagged [ping]
A utility available on all operating systems that helps test network connectivity.
1,554
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NMAP says host is down, but it's not
When running nmap -A -vvv 192.168.0.141 from host A I get the following result:
Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn
But running ping 192.168.0.141 is ...
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Router occasionally losing internet connection: Destination Net Unreachable
Earlier this year when I moved into a new apartment, I bought a Wavlink AC2100 Gigabit Router. From time to time, I would get disconnected from an online game that I play. Didn't think much of it, as ...
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Win 11 PC loses ability to ping windows server on local network randomly
I am at my wits end here. I have PC A, a Win 11 pro machine, and PC B, a Windows Server 2019 machine on the same local network. For over a year I have been able to remote into B from A without issue, ...
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Jetson TX2 is unreachable over ethernet
I’ve managed to connect my TX2 Developer Kit ( Ubuntu 18.04 installed with JetPack 4.6.5 ) to my laptop ( Ubuntu 20.04 ) with ethernet cable but neither I can ping or connect via SSH. These are the ...
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Can't ping server from home network but mobile data works
I have a server at my vacation house. It used to work perfectly fine until a few days ago when I noticed I can't access it from my home network, but if I disable Wi-Fi and connect with mobile data it ...
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Why is my PC with RJ45 Ethernet connected to router can't ping to other devices that connected the same router via Wi-Fi?
My PC is connected to my router Fiberhome HG6245D using an RJ45 Ethernet connection, the IP of my PC is 192.168.1.2
My other devices are connected to the same router (Fiberhome HG6245D) via Wi-Fi and ...
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Lost network after upgrade
I got abit of an issue 😛
Got a report if anyone's interested.
Issue:
After upgrading to Fedora 40, I lost network connectivity on my system. DNS resolution fails, and I cannot ping or access any ...
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Router fritzbox not answering ping from machine on other subnet
My environment has 2 networks with a gateway that communicates ip addresses (dhcp, dnsmasq) and routes for both networks. Most machines should use the 2nd network that will use a openvpn connection ...
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Packet loss on Single ISP only on Mac
This is the strangest issue I have dealt with. I get about 80%-90% packet loss when pinging some internet services, mostly DNS, next steps would be handy so I don't get brushed off by Verizon's with a ...
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unable to ping my router from outside
I have a TPLink Archer C2 AC750. My friend was able to ping me half a year ago, but the problem appeared after resetting the router. Now I'm getting "Request timed out." after calling "...
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Issue with finding optimal MTU size using PowerShell script in Win 11
I tried the ping command to get the MTU size using PowerShell script but it does not give me accurate reading as it show it can not find optimal size within given range. However, manually putting it ...
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Define route for some protocols
I'm on windows 10.
My default gateway is blocking ICMP, but if I change the route to some specific one (which pass through one VPN), ping is working. I can change ping to specific IP with route add ...
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Newly connected devices within the same router cannot connect to other devices that were already connected
I have a media server setup running on a ubuntu 24.04 server. I am using a netlink gpon router as a router to connect to the internet as well as connect my devices to the server using wlan. The ...
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big pings caused by "gw01-n.contabo.net" hop on certain web pages
Last weeks I have noticed a problem with delays (150ms) on certain web pages. It only happens in the evenings from around 19:00 GMT+2 until morning. Otherwise the delay is fine - 20ms.
I have run ...
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Systemd-resolved and ping
The question
Systemd-networkd succesfully requests an IP address for my computer and routes its traffic to and from the gateway as expected.
Systemd-resolved can correctly resolve FQDNs and IP ...
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wildcard and domain in /etc/resolv.conf
I have encountered a strange problem which ping, nslookup and curl commands some domains such as github.com returns a wildcard host (10.27.0.50 in this case) defined in BIND9 zone file if the /etc/...
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Destination Port Unreachable on local network
I've got three computers in my local network: A, B, C
A has an ethernet connection to the router
B has a wireless connection to the router and shares his internet access with C
C is connected to B ...
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Why does ping show received=5 while LAN cable is disconnected? [duplicate]
I am wondering why ping shows receiving packets even when the LAN cable is disconnected!!!
Step 0: Set IP address of Laptop manually in same subnet as Device IP address, same subnet mask, no gateway, ...
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What is the correct format to ping ip address range with some extra single ip addresses using nmap
I'm struggling with the usage of nmap.
I would like to ping IP addresses in the range, say, 192.168.178.110-192.168.178.130 but also the single IP 192.168.178.1.
Therefore I execute:
nmap -sn 192.168....
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I can ssh and access the webserver but ping fails
My knowledge about networking is basic.
I have several computers in a intranet. Let's call one of them the DB_Host.
I want to ping this computer.
So I do
ping DB_Host.intranet.com -c 1
When I do that ...
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PowerShell: Export Ping Results to CSV
I have a PowerShell loop that does effectively what I want it to. The problem is that the output is very messy. I work for an ISP and one of the most effective ways we have to diagnose network issues ...
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PIng becomes unstable and higher than the previous one after my old router got replaced with new one
My ping become unstable as the title says, and I dont know what to do, I changed the dns already to cloudfare, disable the power saving mode, configure the transmit power to highest and enable ...
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How to ping/connect to a KVM on another machine in the same lan?
I have 2 machines in my cluster, say M1 and M2. I have one machine installed with a VM (brought up by virt-install), say VM on M2.
My M2 can ping the IP address of VM. My M1 and M2 can also ping each ...
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Windows `ping IP` (not `ping domain`) uses wrong IP address
I have this network setup:
When I execute arp -d on the laptop to clear the ARP chache and then ping 10.0.0.30 to ping embedded device 1, it should go "I don't know how to get from here to 10.0....
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When I ping from client (CentOS 6) to server (CentOS 7), it is giving error destination net unreachable
I have two virtual machines on my laptop. One is CentOS 7 (server) and the other is CentOS 6 (client).
When I ping from server to client, it is working.
When I ping from client to server, it is ...
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Pinging a windows machine on a network without a router/server
I need to check the infrastructure in some office to see if the Ethernet sockets are functional. The office is currently vacant so there are no routers or servers available to me. Only two laptops ...
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Ping Issue Over LAN After "Suspend" - "Destination Host Unreachable"
I am running into an issue when pinging my desktop PC from my laptop (Lenovo X1 Carbon).
Both machines are running Ubuntu 22.04
Both machines are connected using wifi
The issue starts to happen after ...
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Misconfigured files on an emulated SSH server and now ping, traceroute, and Docker are not working on my host VM. (SSH, apt and browser still work.)
TLDR: On a class-assigned virtual machine, ping traceroute and the original script used to access a Docker container/emulated VM stopped working after exiting a SSH session with the emulated VM. This ...
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Traceroute using UDP instead of ICMP?
I am playing a game named "Planetside 2" and since a few days many users including me have high ping issues on a specific server, while others have not.
Therefore I wanted to try to ...
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Ping varies on different Ports with the same IP (Gaming related)?
I apologize if my question is "dumb" and not in the right category, I'm new here and I am genuinely curious about it.
Recently, there have been numerous complaints from users of the game ...
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CURL timeout, no packet loss in PING
I'm trying to debug a problem with my Authelia acting as an OIDC provider. A Gitea instance tries to connect to https://auth.mydomain.com/.well-known/openid-configuration and fails with a timeout. ...
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Cannot ping some devices on my network
I have assigned static IPs in my router (Sercomm H300) for almost all the devices in my network, smartphones, tablets, smart WiFi switches e.t.c.
There are times that many devices are not visible to ...
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Creating a list of physical locations in intranet
For the intranet of my workplace, I have inventory data including Netname and location within building of our PCs. I would like to create a list of network wall sockets with location in building, so ...
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ping: Name or service not known
Problem
ping: service.sys-dev.company.com: Name or service not known
host, nslookup and dig works
# host service.sys-dev.company.com
traefik-proxy.ingresscontrollers.svc.cluster.local has address 10....
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Ping not leaving linux VM
Firstly, only just learning Linux and networking, so please assume I have minimal knowledge!
Perhaps a week ago I was working on a small python script that involved pinging devices from the Kali Linux ...
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My desktop/laptop can't ping each other over wired Ethernet, only over Wi-Fi
I have this weird thing going on whenever I connect my desktop or laptop via an Ethernet cable, it seems that it becomes isolated. It can't ping anything and nothing can ping it.
I already checked and ...
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Libvirt guests on isolated network cannot ping each other
I am trying to create a network with following topology. Because I need a custom Gateway and the network is small, I do not want to use DHCP on the isolated network.
┌─────────────────┐ ...
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Can reach VPN peer only after ping from this peer
Problem
I have two linux PCs connected to a local network and to a WireGuard VPN network. (let's say VPN subnet = 10.66.66.0/24 and PC A=10.66.66.9 and PC B=10.66.66.10).
The problem is that I can't ...
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Traceroute works but ping does not
My immediate goal is to ping from a device on my LAN to a Ubuntu 22.04 on WSL2.
Context
I am learning to use ROS2.
It allows communication between instances on different machines through FastDDS.
Once ...
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Destination host unreachable
I have two computers on my local lan network. When I ping the local IP of computer 2 from computer 1, it prints Destination Host Unreachable (or to any other device). Same happens when I try to ping ...
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Server dropping every other ping packet
I'm seeing a very strange behavior one one of my machines, where it looks like every other ping packet is being dropped. Sometimes the evens and sometimes the odds, but very consistently every other ...
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CVE-2023-23415 doesn't work on my Windows 10
The problem is that I am trying to find answers to the CVE-2023-23415 because it's not working.
So, I did everything correctly, I crafted an ICMP echo packet on Scapy, configured it to buffer overflow ...
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Why do i need a default gateway in both ends?
I'm trying to ping from Pc0 to Pc1 , i've specified a default gateway in Pc0 but i didn't in Pc1 .
my question is why Pc1 is dropping the ICMP packet ? i know it's because i didn't give it a default ...
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VMWare ESXi VM's pinging
I have 2 VM's in the VLAN18 in my VMWare ESXi 8.0
I wanted to ping the other one but it doens't find it. Now I turned off the firewall and it worked if they are in the same VLAN, now I want my 1 VM to ...
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Internet slows down to unusable speed after opening any game
Update:
28/09/2023 - I did full scan of laptop with Microsoft defender and it found few viruses in some of the software i had downloaded ages ago. I removed them and then tried OSU, and Hitman 3 ...
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Lag on internet connection in terminal programs
I have been suffering a 5-10 second lag from EVERY connection in a new browser tab, or a curl request. I have found out on the Internet that I should disable IPv6. But when I disabled IPv6 the Chrome ...
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Direct ping is not working
ping -I eth1 10.5.48.2 is working but ping 10.5.48.2 is not working
this is my route
Destination Gateway Genmask Flags Metric Ref Use Iface
default Docsis-Gateway. 0.0.0....
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Can iperf3 but cannot ping
One access point connected to a pc and one receiver connected to another pc. The access point and receiver are also connected to each other. Both PC have no firewall, security and antivirus.
Both pc ...
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439
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Identify latency problems to gaming server
I am playing an online game where the server is physically located in the same city (~10km=6miles). I have cabled internet with WiFi and have a ping around 170-200ms with severe spikes. From my phone ...
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4g vs 5g ping in india
I am playing an online game and get ping as follows -
With 4g - 150ms
With 5g - almost 145ms
These are my two questions I didn't found on Google or chatgpt.
Why does it has almost the same ping ...
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