Questions tagged [ping]
A utility available on all operating systems that helps test network connectivity.
1,555
questions
1
vote
1
answer
5k
views
ping dns works but nslookup fails?
I have an issue with DNS in my current lab environment, this happened after a snapshot recovery on the DC image :
Following Screen shows that i can ping google.com but nslookup google.com fails, i ...
1
vote
0
answers
20
views
Why is sshd inaccessible after LightDM starts in Debian 12 (bookworm) running on a 2010 iMac?
Debian 12 (bookworm) running on a 2010 iMac.
After the machine boots but before the window manager (LightDM) starts I am able to ping and SSH into the machine from a remote machine. Once LightDM ...
3
votes
2
answers
8k
views
ping ipv6 address Address family for hostname not supported
using ifconfig to see eth0 ipv4 and ipv6 addresses. ping ipv4 is ok, but ping ipv6 results in:
1
vote
5
answers
23k
views
Kali VM not pinging Windows 7 VM but vice versa is possible
I have installed Kali and Windows 7 VM on Virtual Oracle Box. Its pinging fine from Windows to kali but its not pinging from kali to Windows VM.
Both network are on Bridged Connection.
Kali IP ...
0
votes
1
answer
11k
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....
4
votes
1
answer
6k
views
Ping takes a very long time to start
The internet on my mac keeps slowing down and I'm struggling to diagnose the problem. Other identical machines on the same network aren't suffering from the same problem. After a reboot the internet (...
1
vote
2
answers
48
views
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 ...
1
vote
1
answer
4k
views
how to determine which side causes the intermittent ping failure
Recently co-workers have been experiencing random connection drop problem with one of the servers. If I ping the server 10 times in a row from my windows client machine, I can see quite a few of ...
0
votes
0
answers
26
views
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 ...
2
votes
1
answer
7k
views
Host seems down Nmap?
I'm currently running Nmap 7.50
I'm 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
...
0
votes
0
answers
29
views
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, ...
2
votes
1
answer
7k
views
Why can’t ping resolve hostname, but nslookup can, in Ubuntu 17.04?
So, does ping really don't use DNS?
Here is my case:
$ nslookup maroon
Server: 192.168.2.102
Address: 192.168.2.102#53
maroon canonical name = coral.
Name: coral
Address: 192....
0
votes
1
answer
53
views
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 ...
0
votes
1
answer
4k
views
Ping local network from wired to wireless is not working
Why can't each computer ping each other in the same network and both firewalls are completely turned off?
First computer is connected through wired. Second computer is connected through wireless.
...
30
votes
8
answers
77k
views
Cannot ping a Windows 11 machine
I'm trying to ping my Windows 11 machine from a Linux device. Here's what I've tried so far:
Disabling Windows Defender Firewall
Enabling inbound rules from the Advanced Options
Restoring firewall &...
7
votes
2
answers
13k
views
Can't ping my android device in the same network
I have 2 devices :
PC (debian 16.04) : 10.0.0.56
Android device (4.4.2) : 10.0.0.38
They're on the same network, have the same gateway which is 10.0.0.1 but whenever I try to ping from one device to ...
9
votes
1
answer
5k
views
Chrome resolves address to different IP than ping
A coworker is having an issue where a certain XHR call is not completing on their computer. The rest of us are unable to repro the issue. The only differences between their computer and ours:
...
1
vote
0
answers
84
views
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 ...
7
votes
2
answers
43k
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 it....
0
votes
0
answers
10
views
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 ...
0
votes
2
answers
22k
views
How to set QoS on Tenda router to reduce ping
I have an Tenda router and I would like to set QoS so that i would would have low ping no matter what other people living with me do. There are 7 people living in out house, and our connection speed ...
0
votes
2
answers
4k
views
Cannot ping other LAN devices
I have a ZTE F618V2 that I got from my ISP. I'm trying to connect 2 devices using the 2 ethernet ports on the router(192.168.1.2 and 192.168.1.3, respectively), but they do not see each other. Pinging ...
1
vote
0
answers
55
views
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 ...
0
votes
0
answers
30
views
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 ...
1
vote
1
answer
250
views
Get macOS ping to only log timeouts
I have a similar case to: Generating usage logs that prove my Internet connection is flaky
However these logs will get long quickly. I am only interested in logging timeouts, is there a way to achieve ...
1
vote
1
answer
1k
views
Why the ping reply time from switch is higher than that from devices on it?
I have a question which might be stupid but I am curious..
I have a simple network:
DSLMODEM (192.168.0.1) <> TL-SG108E (192.168.0.30) <> Laptop (192.168.0.54)
There are some other devices on ...
2
votes
3
answers
31k
views
Ping only working in one direction
I have a small cluster running centos 7 composed of machines A, B and C. They are all separate physical machines connected on the same LAN.
Machine A can ping B and C.
Machine B can ping A and C.
...
2
votes
3
answers
4k
views
Whenever I try to ping some website URL, the IP address it finds is always 127.0.0.1 (loopback IP)
Whenever I try to ping some website URL, the IP address it finds is always 127.0.0.1 (loopback IP)
There are many websites where this happens such as mega.co.nz, 1337x.to and many more.
I have ...
1
vote
2
answers
4k
views
Windows 10 ping not resolving name but nslookup does
I have a windows 10 machine that is exhibiting some odd behaviour. When I try and devices on my network by name they fail to resolve.
However a ping -a of the iPaddress will resolve to the correct ...
0
votes
1
answer
4k
views
Ping any domain is directed to 10.10.10.10
I have two windows 10 computers on my network. Connected via a wifi ap and the other Lan.
Occasionally they will loose internet access, and when I try to ping any domain, it always tries 10.10.10.10 ...
0
votes
0
answers
42
views
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 ...
0
votes
1
answer
1k
views
Huge latency in the middle of a route between India and Europe
I play on an online gaming Minecraft server. The server is hosted in Europe and I live in India so I get miserable latency (250ms).
A tracert shows that at the 8th hop (in Mumbai) the latency ...
6
votes
2
answers
48k
views
Stopping PING requests on my home router
I can imagine that somehow not responding to PINGs from WAN would be an ok idea regarding home network security. But can there be any down-sides to this?
I imagine games implement their own PINGs, so ...
3
votes
3
answers
12k
views
Can't ping Windows 10 PC
While trying to solve a more complicated networking problem, I noticed that for some reason I was getting no response to a ping from my Windows 10 computer. I read that it might be a problem with the ...
1
vote
1
answer
4k
views
Good speedtest results, but web pages don't load
I have strange connection problems. Ping and download times are good -
speedtest.net showed ping 65ms and download 2.17Mbps. Torrent is working well, giving me up to 300MBps.
Webpages are loading ...
1
vote
2
answers
5k
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 ...
0
votes
1
answer
4k
views
High local ping when two people try to game at the same time (local or online)
Okay, I apologise in advance if this isn't the sort of question intended for here. It looked like it was because https://networkengineering.stackexchange.com/ looks like it's intended for people who ...
3
votes
1
answer
1k
views
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 "...
1
vote
0
answers
235
views
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 ...
1
vote
1
answer
11k
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 ...
0
votes
1
answer
21
views
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 ...
28
votes
7
answers
68k
views
How can I do a ping every 500 ms?
By default the time delay between two pings is equal to 1 second. My need is to reduce the delay between two pings to 500 ms (0.5 seconds). Is there any way to do this?
0
votes
0
answers
80
views
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 ...
0
votes
0
answers
73
views
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 ...
0
votes
0
answers
109
views
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 ...
268
votes
11
answers
647k
views
Is it possible to ping an address:port?
I am not into networking, and I have the following question related to the Linux ping command.
Can I only ping an address? For example:
miner@raspberrypi ~ $ ping onofri.org
PING onofri.org (67.222....
2
votes
2
answers
4k
views
Exact meaning of ICMP protocol 1 port xxx unreachable in a ping exchange
A tcpdump of a ping session shows the following two lines:
IP gateway.comp.com > somehost.comp.com: ICMP redirect 10.8.0.10 to host othergateway.comp.com, length 68
IP gateway.comp.com > ...
1
vote
1
answer
6k
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 ...
0
votes
1
answer
6k
views
Wireless Issue: Cant Ping google DNS but ping to Default Gateway works fine
I've come across a really perplexing issue here; I've had some serious internet problems over the last week or so (internet was barely working, and even then incredibly slowly). This seems to have ...
0
votes
1
answer
20k
views
Request Timed Out while pinging google domain with ping google.com -t
I have a problem with my internet connection which I found on 2 different lines not only 1.
When I play an online game I have a sudden 75% packet loss on the net graph, it happens randomly even ...