Questions tagged [ping]
Ping is a mechanism to see if a remote host is reachable via an IP network
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VPN failure between two remote offices
I have three offices all with broadband routers feeding into Server 2003 running Routing and Remote Access that provides the clients with internet access.
I have setup VPN connection between site1 ...
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Unable to connect to remote using ipv6: ping6: UDP connect: No route to host
thought I'd try asking here since I don't know where else to turn to.
Simply, I am trying to ping/SSH my remote server from my local machine using ipv6 but it keeps failing. Executing ping6 for my ...
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DNS cache: systemd-resolve and ping resolve different IP addresses
I have changed the IP address in a DNS record (on Google Cloud DNS), associated to a subdomain test.example.com
From my Google Cloud VM:
if I ping test.example.com, I get the old IP address
if I ...
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High ping latency over direct Gigabit Ethernet link on Enterprise-class hardware
FINAL EDIT 7/7 Multiple cable, port, and device substitutions have narrowed this to the Comcast modem, and on all 8 of its Ethernet ports. Given, as the comments say, this is a closed device, and ...
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Internet speed test from bash/linux command line hangs
I am running this python script on a remote ubuntu server from command line for speed testing:
https://github.com/sivel/speedtest-cli
with:
$ curl -s https://raw.githubusercontent.com/sivel/...
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Can not ping interface's public address of my instances
I have basically 2 VPCs where CSR 1000v is deployed in each VPC (CSR1 and CSR2). I attach a drawing my setup below.
I created 2 interfaces in deferent subnets within its VPC CIDR in each VM and ...
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Ping public ipv6 dns from docker container
The docker container is running on a VPS (ubuntu 18.10).
What I am able to do:
ping -6 2001:4860:4860::8888 from host machine
ping -6 <docker container ipv6 address from host machine
ping -6 &...
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Is RTT theoretically the same regardless of ping origination?
Let's say you send a ping from device 1 to device 2. The result would give you the RTT.
Theoretically speaking (because many variables are realistically in play), would the RTT be the same by ...
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How did Alibaba find my server and ping my node instence that I just made?
So I just created a new droplet on DigitalOcean and did a http-server in the root directory. 5 minutes later I see this in the logs:
GET http://47.99.121.32:39169/Ip/Up?Ip=[my server ip]&Port=...
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Only one Windows 10 PC cannot ping/access two 2003 R2 servers as of recent
I have two older Win 2003 R2 servers acting as DNS, named DNS1 and DNS2. I have two Windows 10 Pro, hard-wired, same network, latest patches. One is a laptop and one is a desktop.
The desktop can ...
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How to show unreachable messages when using fping
I am using fping to ping several devices from a text file and export the info into another file.
fping -lDf IPlist >IPoutput
This works, "Host unreachable messages" however do not get exported ...
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bind strange behavior with ping
I've BIND on my lan and I created a zone:
$ORIGIN example.com.
$TTL 604800 ; 1 week
@ IN SOA ns1.example.com. max.example.com. (
2017103151 ; serial
604800 ;...
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Unable to telnet particular server IP from our CentOS 7.2 server
I am unable to telnet a partner server IP (103.x.x.x) from our server.
I am getting following error
telnet: connect to address 103.x.x.x: Connection timed out
but I am able to telnet other server ...
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Windows bat file: How to process output of ping.exe at real time with for loop?
I need to run ping with -t parameter and process every line in bat script. I need to do this in real time.
This code explains my problem. Commant 'ping -t 8.8.8.8' prints nothing to for loop so ...
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Probable network issue despite healthy ping stat?
We faced a problem with a windows network where we suspect it to be a network issue although the ping works fine.
System Overview: The Windows network is accessed from multiple sites connected ...
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ibping error: “can't serve class 50 on this port”
I try to run an ibping server on a machine with an infiniband card:
ibping -S
I get this error message:
ibping: iberror: failed: can't serve class 50 on this port
Any idea to solve the problem? ...
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fast ping response, latency on traceroute
I have a very strange problem. In short pings to my wireless AP are low (around 1ms), however, once I do a traceroute, the latency to the AP (1st hop) suddenly jumps to ~1000ms. Any ideas what may be ...
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can not ping any hostname
I recently got a server from a company for new mail service configuration but
now i have a amazing problem!
"ping google.com" not working and returned "ping: unknown host google.com" , but ping 8.8.8....
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perl smokeping false packet loss
I'm getting false packet loss from time to time. The period lasts about month, you can see it on graph. We checked it using the same fping command and got no loss at all. So maybe were are hosts limit ...
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I can access http, https on server, but can't ping the server behind sonicwall tz500
I am not sure if this is possible or not. I have set up some web servers and ftp servers that are statically NATted behind a sonicwall tz500. I can access all via ftp, http, https. I have included ...
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Possible route, but denied?
If ISP (A) can be routed to ISP (B), and ISP (B) can be routed to ISP (C) and vice versa, then why ISP (A) and ISP (C) can't be routed through ISP (B) to each other?
The packets are routed like this ...
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Bind9 DNS resolves full domain to localhost
I have set up a Bind9 DNS server on my development VM which is running Debian Wheezy. My addresses resolve from my host machine (Win7) to my dev VM, and I can ping from there. Internally on the VM, I ...
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RDP working but not able to ping and share can't be accessed through UNC [closed]
I am asking this for my live environment servers. So, kindly requested to consider this while answering.. I have 2 cases asked here. Please do number while answering.
1) I have a server which I can ...
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Some clients on a VPN network are not reachable
The problem of this model is that some (only some) clients cannot be reached.
See the link below for more information about the model which is being described in the upcoming section.
Problem ...
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Cannot ping my domain-joined server - Can only ping domain controller - host unreachable
I have a HyperV Server hosting a Domain Controller VM (192.168.1.50) and another VM (192.168.1.51) joined to this domain.
I have:
domain controller as DNS server
forward lookup zone for the domain ...
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TCP 30 small packets per second flood connection with server
I'm testing connection with flash client and cloud server(boost::asio for software) over TCP connection. My connection with server already is really poor - 120 ms ping in average. I found when i start ...
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VMWare-ESXi server dropping packets, shaky connection
I have a few virtual servers running on a VMWare-ESXi server. One of those is a mailserver running Windows server 2003, Has been running quite well for a while now. About 4 days ago, the mailserver ...
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Why are two IPs responding to my ping?
I'm having a weird issue. On one of a mac, I noticed it was having some weird issues communicating with the server. I pinged the server, 2.0.5.90, from the terminal on the mac, and here are the ...
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DNS/Nameserver issue. Can't ping IP or domain
I get this when I ping an IP:
21:31:50.136623 IP SITE_IP > 173.194.33.4: ICMP echo request, id 14941, seq 1, length 64
21:31:51.136138 IP SITE_IP > 173.194.33.4: ICMP echo request, id 14941, ...
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Ping starts, then immediately fails, to just one device on a network of 70+ and only from one part of the network! Super confusing
long-time reader first-time poster.
I managed a network of 70 odd PCs connected to 3x different network switches (3 buildings all next door to each other).
Looks like this:
BUILDING 1 SWITCH -> ...
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eth1 and eth1:0 take different times to echo ping requests?
When I ping 2 different IPs that go to eth1 and eth1:0 on the same server, the ping time is the same but the time it takes for the ping result to appear in the terminal is much longer with eth1:0. For ...
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finding live hosts with nmap
I'm trying to find live hosts on the network with nmap:
nmap -sP 192.168.3.0/24
Starting Nmap 5.21 ( http://nmap.org ) at 2012-04-10 10:28 EEST
Nmap scan report for km-localhost (192.168.3.1)
...
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strange ping start time on Windows 2008 R2 server
I have a 3 computer network connected through a Linksys/Cisco E3000 Router in a small office. One is running Windows 2008 R2 Foundation and the other 2 are running windows 7.
When I ping the R2 from ...
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Enable ping to pass through pfSense
I have a pfSense v1.2.3 running and want to allow ping from the WAN through to my LAN and allow the response to get through. Web traffic goes through just fine, but not pings. As suggested elsewhere I ...
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Can't ping one server of two by name, but can ping both by IP
I have two database servers where I can ping both by IP, but can only ping by name for one.
The setup:
Server1 - Original Data
Server2 - Receives data from Server1 through replication
Server1 can ...
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Client can't ping server untill server has first pinged client?
Problem:
Client computer can't ping server until the server has first pinged client. If I stop pinging the client from the server, the client will no longer be able to ping the server. Does anyone ...
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ping6 overhead compared to ping overhead
I am testing IPv6 latency from a Linux box, and I noticed this weird difference between IPv4 ping and IPv6 ping:
# ping -n -A -q -c 500 speedtest.steffann.nl
PING speedtest.steffann.nl (10.3.10.20) ...
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Can't connect to server, others can
I've set up a Webserver(port 80) and a Minecraft server. Me and my friends play on this server regularly and haven't had any problems connecting before this.
Now, one friend complains about not being ...
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ping/ssh networking problem with server from 1 particular windows xp laptop
I am experiencing an odd problem with one specific server at my data centre connecting from my laptop.
Basically the server is accessible from other machines in my house, but not from 1 particular ...
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When I ping Internet addresses like yahoo or Google, I get 2 reply packets and 2 lost packets
I have Airtel broadband and a Tata broadband connection. i have around 50 PCs connecting through an airtel broadband connection.
Both are dsl connections with my phone line going into dsl modems and ...
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EC2 instance suddenly refusing SSH connections and won't respond to ping
My instance was running fine and this morning I was able to access a Ruby on Rails app hosted on it. An hour later I suddenly wasn't able to access my site, my SSH connection attempts were refused and ...
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Windows Server 2008 machine only responds to PING from some machines
I have a colocated Windows Server 2008 machine that replies to PING from some machines but not others (not most machines). I'm not sure where to start to diagnose what the problem is.
The server is ...
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How to use nmap to ping domains and get the output as domains and not IPs?
I am trying to use nmap to ping a list of domains, i am using:
nmap -sP -iL /path/to/file/domains
The ping works fine but in the output for domains that ping was successful I get the domains ip like ...
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Ubuntu can resolve DNS but cant PING our Download
I'm trying to make an ubuntu development server work.
All machines on the network (mac and windows) get internet and lan access but ubuntu only works on the lan.
I have two interfaces:
eth0 (static)
...
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How to work around a 'Request timed out' response?
I am in India
On ocassion I navigate to the portal of companies I'm affiliated to; these in the US, & Canada
As of today afternoon, I'm unable to navigate to the portal of some companies ... ...
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Windows Server 2008, can't ping, but networking is fine
I'm setting up a Windows Server 2008 box, and everything is working great (database, remote login, etc.), but it doesn't respond to ping. Normally I might not care, but I'm setting up Nagios ...
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Can ping/nmap server, nothing else
I was SSHed into our ubuntu LAMP server , and was just doing a svn update, which hung.
I disconnected, and since then, I have not been able to SSH in or view any of our websites (neither from my ...
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pinging walls2windows.com returns bad destination from some places
Whenever I ping walls2windows.com at network-tools.com, I get bad destination even though the URL is about 1 month old now and works here.
It also doesnt ping at ping.eu/ping
DNS and A record IPs are ...
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Free Ping/Tracert tool for Blackberry
I often use my blackberry (Storm) as a troubleshooting tool. For example, if I'm trying to determine if a website is visible from outside of the network, I just use the built in browser.
I have been ...
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check_ping in nagios resolves to ipv6 instead of ipv4
mn1.testchn1s1.ind ~# /usr/lib64/nagios/plugins/check_ping -H mn1.testchn1s1.pub -w "700,60%" -c "1400,100%" -p 5 -4 -s
PING OK - Packet loss = 0%, RTA = 0.10 ms - mn1.testchn1s1....