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Questions tagged [ping]

Ping is a mechanism to see if a remote host is reachable via an IP network

Ping is used to send an ICMP packet to a remote host. The ICMP type sent is an echo request, and the type the remote host will send back is an echo reply. Some firewalls or hosts may block ICMP, so ping should not be the only tool used for troubleshooting.

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does ping command to a dns name uses DNS PTR type messages?

Okay I cant understand this, when I try to ping to a machine on my network using the name associated I get a response from that machine, thats normal.. But there are messages that the sender sends to the top machine (SOA) that I dont…
TiagoM
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Same network same switch but computers can't talk "ping"to eachother

Possible Duplicate: How does IPv4 Subnetting Work? Each computer(all 2 of them) can ping the router but can't ping each-other and firewall is off. Same default gateway, IP address very similar (just two number away at end) but the subnet mask is…
Sue
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ping: unknown host google.com

Relevant output: /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 servers_ip_address …
Tar
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Why can't my networks reach each other?

We have two Buffalo WZR-HP-G300NH2 routers, with the default firmware, DD-WRT v24SP2-MULTI (10/31/11) std - build 17798. Each has a separate cable internet connection with a public static IP address. They are both in the 24.123.68.0/24 space. Both…
HOLOGRAPHICpizza
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Destination host unreachable, but the errorlevel is 0 (from a win7)

From a windows 7 machine, I ping a non existing ip address. C:>ping 192.168.1.222 Pinging 192.168.1.222 with 32 bytes of data: Reply from 192.168.1.222: Destination host unreachable. Reply from 192.168.1.222: Destination host unreachable. Reply…
Doron
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Latency, Ping and Other Questions

In a high traffic application, like an online auction system, few ms could determine 'to win or 'to lose' the 'battle'. I'm from Brazil. Here, I 'ping' local sites - like UOL - and receive replies in ~ 11ms. When I 'ping' US sites - like RackSpace …
sonnuforevis
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Can ping by IP, not by domain

I have an Apache2 web server with vhosts at 173.xxx.xxx.xx1, listening on port 80 & 443. One vhost I'm trying to access is dev.REDACTED.com. I can ping the IP of the server: ~: ping 173.xxx.xxx.xx1 PING 173.xxx.xxx.xx1 (173.xxx.xxx.xx1) 56(84) bytes…
neezer
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Bash ping successful program

I'm thinking that this needs to be changed to a while loop because, at the moment, it'll wait untill all 10000 pings are done. I need this to return when the ping is successful. What are your suggestions? #!/bin/bash echo begin ping if ping -c…
edumike
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How many failed pings are acceptable in a minute for a wireless network?

Quick question for you wireless gurus. If you ping a machine over a wireless network every .2 seconds, how many failed pings would be acceptable and "reliable" within a minute? This is an XP machine wireless networked to a server 2003 machine with…
Thomas Stringer
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Can't Ping - Wireless network of home

This may seem like other ping problem, but I have tried a lot before posting it here. I have a linksys WRT54G - firmware v8.00.8. I have two laptops one windows vista (192.168.1.99) and Windows Xp (192.168.1.13) connected on WiFi . The Router's IP…
Naunidh
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Win7 VM @ ESXi Server @ VMWorkstation (Win7) - ping works only from VM -> HostOS, not vice versa

right now I'm toying around with VM Ware stuff and not having any pcs then my laptop I decided to run an ESXi Server inside of VWmware Workstation. I was just curios to see if the server would allow to setup and run a VM. And after some tweaking…
DK2000
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Verify whether an OpenVPN client offers access to the Internet

My machine hosts 8 OpenVPN clients: I have the interfaces tun0, tun1, ... tun7. Each of these interfaces should offer Internet access. But sometimes some don't, because the VPN server loses Internet access itself. Is it possible to verify whether…
Blue Nebula
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ping 100% packet loss - can't ping to server

when I try to ping my newly created server it shows: vasanth@vasanth-client:~$ ping -c 4 server.ip.name PING server.ip.name (server.ip.address ) 56(84) bytes of data. --- server.ip.name ping statistics --- 4 packets transmitted, 0 received, 100%…
Vasanth Vel
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List all active devices in different subnets?

My company has a class A network that contains various subnets. I need to automate a way to produce a list of all online devices (in all the subnets). To start, just a list of responsive private IPs would be great. I like using arp-scan which is…
Andrew Campi
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Trying to setup IP addresses on my network

Here's my schema. I'm trying to set up IP addresses to be able to PING from the first floor ( etage 1 ) to the second ( etage 2). I tried setting up an IP address 192.168.233.2/24 with the gateway 192.168.233.1 to PC D , and 192.168.233.3/24 with…
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