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

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1answer
313 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 ...
0
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1answer
110 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 ...
1
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1answer
540 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 ...
1
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1answer
326 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 ...
0
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0answers
36 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 ...
2
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3answers
2k 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 ...
0
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1answer
174 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 ...
1
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0answers
41 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 ...
0
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1answer
76 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 ...
1
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0answers
386 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
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1answer
223 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 ...
0
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0answers
210 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 ...
1
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2answers
583 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 ...
0
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0answers
53 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 ...
1
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0answers
175 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: ...
0
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1answer
205 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 ...
0
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1answer
302 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 ...
0
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0answers
132 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 ...
0
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1answer
651 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) ...
5
votes
3answers
2k 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 ...
1
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1answer
2k 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: ...
0
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0answers
197 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 ...
0
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1answer
181 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 ...
0
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0answers
155 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 ...
1
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1answer
2k 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 ...
0
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0answers
74 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 ...
0
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2answers
3k 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
902 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
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1answer
496 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
51 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). ...
1
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0answers
257 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 ...
0
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1answer
673 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: ...
0
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1answer
297 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
278 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
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2answers
1k 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
52 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 ...
1
vote
1answer
89 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 ...
0
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1answer
728 views

Why Wireshark is not showing high layer packets like ICMP/IP/UDP? (Only broadcast packets are shown)

I am using Wireshark for 802.11g sniffing. The AP is not using any encryption. These are my observations: The vast majority packets are beacons and the probe requests. If I filter out beacons using ...
1
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1answer
702 views

Window 8 machine cannot ping devices on same subnet

After returning from vacation during which several Windows updates were applied and my router suffered a hard power cycle, my Windows 8 Desktop can no longer ping other devices on the same subnet. ...
1
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0answers
71 views

Unable to ping just 1 computer on the network

I have 2 computers on the network (Computer A & B). There are also other computers on the network. From Computer A I am able to ping all other computers on the network except Computer B. ...
2
votes
2answers
832 views

Ping statistics without stopping ping

Is there a way to see a running-total ping statistic, without needing to stop and restart ping? When running, I see this: 64 bytes from 8.8.8.8: icmp_seq=3758 ttl=52 time=32.387 ms 64 bytes from ...
1
vote
2answers
1k views

Ping fails between machines on same network

config internet -> Arris CM/WAP stock -> Netgear 2000 DD-Wrt v24 (wired connect to CM) All machines have internet access Netgear 192.160.0.2 CM 192.168.0.1 machine 1 - wired to netgear ...
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votes
1answer
6k views

How to ping an IP from an android device? [closed]

Is there any way to ping an IP address from an android device (like an Arc S or LG PRADA)? Is there any android built in application or am I to download an app for my task?
0
votes
1answer
93 views

Cannot SSH/RDP until after pinging URL

If, after starting system (freshly installed Linux Mint 13), I try to run: ssh mywebsite.com it hangs up with "Connection timed out". but when I open the browser and enter mywebsite.com there (or ...
2
votes
2answers
198 views

Why does ping sometimes decrease in a traceroute?

I've run a traceroute. (see image). The "Avg" column shows that on hop 7, the ping actually decreases between ping 6 and 8. This can't be due to an anomaly because this data is averaged over 24 ...
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0answers
103 views

Youtube buffering weirdness

sometimes I have problems when loading some youtube videos. To settle the obvious: when running these tests, I was the only one actively using the internet connection in the home and there was no ...
1
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0answers
178 views

Is it allowed to Ping Backbones or other ISP Servers for a prolonged pingtest? [closed]

I made a few Ping tests until now, once I made it a whole week, but now I'm not so sure about the thoughts of the Admins which are owning the servers I ping. Now, I have found a few posts which are ...
0
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1answer
151 views

ping using mac addresses or link local ipv6 addresses

I have 4 Virtual Machines (Ubuntu 12.04) running on a host that is also running Ubuntu 12.04. The Virtual Machines are named: switch-vm vm-1 vm-2 vm-3 Below are the network settings on switch-vm: ...
1
vote
2answers
2k views

Laptop can ping, but not browse. Clean windows install. Telnet doesn't work. Not the network

The laptop is able to ping and tracert, but not browse the internet. I'll start by saying what I've already ruled out: It is a completely fresh windows install The network works fine for the other 5 ...
0
votes
1answer
740 views

Laptop can ping and tracert, but browser, telnet doesn't work

Every other system on the network works fine, no changes have been made to router, and problem existed on a different network, so I don't think its an external problem. Pretty sure it's an issue with ...