A utility available on all operating systems that helps test network connectivity.

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2answers
1k views

What can cause this variation in ping?

I have a problem with my internet connection and I don't know what is causing it. My router is a Linksys E3200 and my computer is equipped with Windows 8 and a WIFI adapter TP-Link WDN3200 (Ralink ...
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1answer
46 views

When connected to VPN cannot autocomplete addresses using VPN domain

I am logged in into another company VPN and when I try to browse their intranet I get redirected to an error page since the address is being complented with the incorrect domain. When I perform ...
0
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1answer
74 views

Address Resolution on WiFi with TP-LINK router

I have a TP-LINK WiFi router which shows lan IP addresses and computer mac addresses under Device Info > ARP. I am interested to read this info from my computer (Ubuntu 12.04) connected to the same ...
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0answers
38 views

How to change gateway of a computer if gateway is down

I'm trying to change my IP gateway automatically for a device that needs to be always. it's for an embedded windows system and i want the gateway to change when the default router goes off to another ...
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1answer
285 views

Sometimes cannot access my own websites, ping general failure

Rarely, yet annoyingly, I cannot access my websites with my laptop. If I try to open one of them in a browser, I get the classic "This webpage is not available" error. When I try to ping one of ...
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4answers
144 views

Is there a way to combine these two ping commands?

There are two methods of seeing outputs of continuous ping test. ping a.b.c.d -t > output_filename.txt ping a.b.c.d -t (live results visible on screen) Is there a way to combine the two ...
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1answer
6k views

Why can't I map a network drive if I can ping the server?

I have a server running Windows 2003 R2 SP2. I can ping it from any computer on the network. My problem is that it acts as a file and print server, but none of the other computers on the network can ...
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0answers
221 views

Linux ARP source address wrong, when pinging from different interface

I'm seeing some weird behavior, and was hoping someone could explain to me why this is happening: I have a linux box with two physical interfaces: arnout@arnout-VirtualBox ~ $ ifconfig eth0 ...
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0answers
68 views

Cannot connect to my win 7 machine

When I ping a windows 7 machine from my win 8 tablet: C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC>ping alwyn-hp Pinging alwyn-hp.gateway.2wire.net [127.0.0.1] with 32 bytes of ...
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0answers
174 views

Slow Airport Extreme -> Cable Modem ping time

While I currently have the new Airport Extreme router, I had the same problem with my previous router as well (which was a Netgear running dd-wrt). The setup is extremely basic: I have a cable modem ...
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0answers
109 views

How to make ping less verbose

I want to make ping less verbose for my batch script, but I do want it to show time-out messages and other errors. This is what I've got so far: @echo off :BEGIN time /T ping 127.0.0.0 -n 1 | find ...
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1answer
281 views

Can't resolve remote hostname from Powershell on Server 2008 R2 DC

I'm going across a problem in Powershell: I can't ping websites. Command line works properly but Powershell seems to be unable to resolve remote hostname. In Powershell I can ping local computers in ...
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1answer
161 views

Determine which computer on LAN causes network problems

I have a simple question, is there any way to determine which computer on LAN is causing network problems? (virus on on of them maybe) Like 10 minutes of 30 minutes of playing online game my ping ...
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1answer
102 views

Having ping 600-650ms, will that make browsing much worse?

I am thinking to order satellite internet (10/4Mbps). The problem is that ping time is very high (600-650ms). I am wondering how big problem will be that to me. I don't play games. The first thing ...
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1answer
340 views

Ping retrieves an IP from DNS, but loses all packets

I'm working with a minimal installation of RHEL 6. When I first turned this machine on, it couldn't ping anybody. It turned out that I needed to add the GATEWAY under /etc/sysconfig/networking and ...
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1answer
236 views

Why I cannot ping local IPs on my Mac? [duplicate]

I'm trying to ping local IPs on my Mac but it's not working as I would expect. If I ping 127.0.0.1, there's no problem: PING 127.0.0.1 (127.0.0.1): 56 data bytes 64 bytes from 127.0.0.1: icmp_seq=0 ...
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0answers
33 views

Address gets “corrupted” when on different VPNs

I'm currently in China and thus, certain sites are unavailable without a VPN. I've noticed a nasty bug in Windows 8 where if I try to go to a website that is blocked, then jump onto a VPN and try to ...
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3answers
1k views

Unable to ping a Windows machine from Linux

I have Windows installed on my laptop, connected to the router wirelessly with IP 192.168.1.5. My desktop is running Linux, connected to the same router (wired) with IP 192.168.1.2. When I do a ping ...
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1answer
149 views

SIGINT (ctrl-c) not instant for ping

At times I run a ping command (on GNU/Linux) and it won't stop immediately when I press Ctrl-c. To my understanding ctrl-c sends a SIGINT. What are possible causes of the ping command to not exit ...
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0answers
36 views

SSH acting up on mac

I have a problem with a mac remote server I can ping it, but every time i try to ssh to it, it can't find a route to host. After that error i can't ping it for like 5-10 minutes, but then the ping ...
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1answer
73 views

what does this ping listing mean — it does not have an IP address but some hex numbers

Something's screwy on our network at work, and I'm no longer able to reach a server where I'm developing a database application. I'm not the network admin, and he's out sick. When, from my ...
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0answers
318 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 ...
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1answer
162 views

Ping magically works on Windows 8

There's a remote machine named JUPITER, accessible through Win8 DirectAccess. Then just after IPCONFIG /FLUSHDNS, I observe the following: ping JUPITER works and pings to an IPV6 address. nslookup ...
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0answers
160 views

why did ping echo request/reply succeed even though destination system had wrong default gateway?

Why did ping work but any other connection fail in the following scenario? We have the following network scenario: 2 Offices each with a Sonicwall NSA 3500 Each office has it's own network, with a ...
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2answers
375 views

Windows 7 machines can't ping or access Windows Server 2003

Our network is served by a Windows 2003 Server machine, using Active Directory for users security management. There are more than 60 machines connected on a daily basis and most of our files are ...
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0answers
49 views

Variable reply time to modem/router causing disconnecting from it

I have a strange and terrible problem with my wireless modem router. It's a TP-LINK 8901G. It's about 1 month that I have different time when I ping my modem (192.168.1.1). When reply time is 1ms or ...
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0answers
160 views

What does it mean, if no response for ping (not even timeout)?

I'm trying to ping a VM from KVM Host over the bridge (maybe this informations is redundant). And there is no response to the ping, not even "host unreachable" or "timeout" What does it mean? Update: ...
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1answer
189 views

One way high ping when directly connecting two devices

i have just made crossover cable, and connected my desktop computer with laptop to test it, but i am experiencing high ping on laptop > desktop desktop 10.10.10.1, laptop 10.10.10.2 pinging laptop ...
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1answer
250 views

Some VM's can Ping a Server, but other VM's can't

We have a collection of VM's, each one is hosted on Server1, all of them need to be able to connect to/ping Server2. VM1 can ping Serevr2 VM2 can ping Server2 VM3 cant ping Server2 VM4 cant ping ...
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0answers
115 views

Configuring port forwarding for SSH - no response outside LAN

I recently moved, and at the same time purchased a new router (Linksys E1200). Prior to the move, I had my old router set up to forward a port for SSH to servers on my LAN, and I was using DynDNS to ...
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1answer
505 views

How can I block ICMP/PING/Traceroute on Mac OSX Server?

I understand that on Linux I do: // allow echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all // block echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all // permanent block (edit /etc/sysctl.conf) ...
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votes
3answers
1k views

Why can I ping a computer using its IP address but not its computer name on my VPN?

We have a VPN set up that is a little troublesome. It doesnt assign a gateway IP address (a separate issue) but most annoyingly, I cant ping machines by their computer name, I have to use their IP ...
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1answer
1k views

Can't ping 8.8.8.8 from Virtual Machine in Azure

I created a Virtual Machine in Windows Azure (Windows Server 2008). Accesed using remote desktop connection and opened cmd. Then tried to ping 8.8.8.8 (which I can from my computer) but I got: ...
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0answers
186 views

Ping to router gives high latency at random

Using MultiPing I'm pinging to my router (192.168.0.1), but at random this gives high latency of >500ms or packet loss. I have two other routers in my network (but configured as switches) which give ...
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1answer
146 views

what is the effect of using 'ping -m' (tagging the packets)

i was going through the man pages of ping and i found a -m option there.. so how does this effect my packets? its something like tagging the packets. ping 8.8.8.8 -m 2 ...
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0answers
138 views

packet loss and unable to ssh

I am trying to connect to a linux server from my linux machine using SSH over LAN. I don't know what the problem is but sometimes I can ping the server but can not ssh whereas at other times I am ...
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1answer
1k views

ping works but not telnet in putty

I am trying to ping one remote server. I am surprised that ping works but not telnet. ping 174.25.366.25 --connection is successful. where as telnet 174.25.366.25 --connection timed out I also ...
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0answers
65 views

I want to ping an IP via a router on Ubuntu

I have a router which runs openwrt with 3g and an ubuntu PC. I want to be able to ping an IP: 8.8.8.8 from the PC, but have it routed through the router. Does anyone know how I'd go about setting ...
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2answers
2k views

Two devices cannot ping each other through WiFi

I have WiFi router connected to the Internet through pppoe. Router has latest version of firmware installed. I have no any antivirus software running and firewall enabled. My router is ASUS ...
3
votes
2answers
712 views

LINUX Ping host, Display error on failure

I'm writing a bash script to ping a given hostname, and display whether or not the host is active (display a simple message.) Should be easy, but headache instead. Here is what I have so far: ...
3
votes
1answer
401 views

Ping server/domain and capture its IP on Linux

With Windows, you could ping a given domain name and capture the IP as a variable, even if no reply was received. I believe the command looked something like this: ping domain.com for /f "tokens=1,2 ...
2
votes
1answer
47 views

How to test hosting before picking one?

I'm looking for fast and cheap hosting at the moment and I don't want to rely on users opinions only (many if not most of them are sponsored by, or are actually from, the companies themselves anyway). ...
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0answers
68 views

OpenVPN debian no ping

I set up openvpn with command: Server: openvpn --remote 192.168.2.14 --dev tun1 --ifconfig 10.9.8.1 10.9.8.2 Client: openvpn --remote 192.168.2.15 --dev tun1 --ifconfig 10.9.8.2 10.9.8.1 I see: ...
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0answers
208 views

http ping to restart service

This tool checks if a website is offline or not. http://www.coretechnologies.com/products/http-ping/ I'm trying to create an automated process to run that file and check domain.com, if pinging fails ...
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1answer
518 views

How can I run an arbitrary command when ping completes?

How can I construct a command to ping a host every minute or something, then run a command when it doesn't time out (when the pinged host comes online)? Basically I want the following pseudocode: ...
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1answer
273 views

What does this router-log file mean?

I was just checking the router's logs to see what kind of information is stored, and I find this file: "May 14 21:13:36 ","PING-FLOODING flooding attack from WAN (ip:89.170.246.114) detected." "May ...
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1answer
217 views

Why is the ping on microsoft.com so bad? [closed]

I'm getting these ping results for microsoft.com and outlook.com: Arthurs-iMac-2:~ arthur$ ping microsoft.com PING microsoft.com (65.55.58.201): 56 data bytes Request timeout for icmp_seq 0 Request ...
0
votes
2answers
746 views

How does 0.0.0.0 binding happen in linux?

A ping to 0.0.0.0 responds from 127.0.0.1. However, if I shutdown the localhost loopback and keep another interface up with another ip, then ping 0.0.0.0 gives an error $ping 0.0.0.0 connect: ...
0
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1answer
51 views

Can I track how far a request makes it onto the internet?

If I send a request over the internet is there a way for me to track all the servers it goes through? I know I can in the terminal type: ping superuser.com and get: PING superuser.com ...
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1answer
85 views

Ping/Broadband QOS over time tool for mac

I work on the train using a mac tethered to my 3G mobile. Connectivity drops out sometimes, but not enough to stop me from working. Am thinking about switching phones, but before I do, I'd like to ...