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

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66 views

Impossible to ping with iwconfig wlan0 mode ad-hoc

PCs: Linux Mint 17.2 with Broadcom BCM43225 Ubuntu 14.04 with PRO/Intel Wireless and iwl3945 driver I've run the following commands on the two PCs: service network-manager stop ip link set wlan0 ...
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2answers
109 views

Unable to ping computer by hostname in Windows 7

I have a raspberry pi on my network connected via router. Can ping IP address no issues whatsoever. On this R-PI i have running a dnsmasq server that reads /etc/hosts as part of its start process. In ...
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1answer
209 views

Why I can't block PING.EXE inbound and outbound traffic?

I want to block C:\Windows\System32\ping.exe for any inbound or outbound traffic in Windows-7. So in the Windows Firewall, I added two rules to aim this goal (one for inbound and one another for ...
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2answers
82 views

Why does it take a shorter time to ping a website like google than a device on my wireless network?

I was trying to test the performance of my wireless network by pinging devices such as phones and laptops that are connected to it. It turns out that I get very high pings (~100-200ms) when I try to ...
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1answer
255 views

Locating and pinging a satellite

I want to ping a satellite, or ping some far off computer and know for sure that somewhere in the traceroute is a satellite hop I know that if I ping a computer in , say, australia (i am in the UK) ...
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1answer
104 views

How to keep my ping/latency steady in cs 1.6?

I have broadband connection with 512 kbps speed. Sometimes I get 200 latency and sometimes 300. How can I keep that steady? It's really annoying.
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39 views

ping: sendmsg - no more space in buffer in Ubuntu 15

My internet connection dropping very frequently and if I try to ping I get the message "ping: sendmsg - no more space in buffer". If I reconnect the wifi in works fine for sometime then it happens ...
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1answer
101 views

Can a server respond to a ping when that machine has gone down?

I have inherited administration of a computing cluster that my research group uses at my uni. I got an email from one of the users that the web interface isn't responding. I can ping the machine, but ...
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1answer
81 views

Can not ping device names only IP address

I have two routers at home when on one router I can ping LAN machines via their names, but when on the other router the relevant LAN computers or devices can not be ping via their names, but IP ping ...
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1answer
53 views

ping6: How to use the “-b” option

What is the purpose of ping6 -b and how do I make use of it? The man page says Allow pinging a broadcast address. Since there is no broadcast in IPv6, I'm puzzled. I'm using: Host> ping6 -V ping6 ...
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1answer
410 views

Pinging website returns 127.0.0.1

I have a website that cannot be loaded when browsing, so I pinged that website, it shows a reply from 127.0.0.1 (In a normal situation it will show our local IP address or proxy) I checked the ...
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2answers
145 views

Why does pinging my friend have higher than expected ping times?

Why does pinging my friend that lives in the same city, hires the same ISP, and who also lives 30 miles away from my neighborhood show a slightly higher ping (20 ms) than pinging a local server from ...
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1answer
36 views

Ping times change over time only to a certain server

The problem happens only to a certain server from a nearby country. When i test the ping to that server, i get 30-40 ms today, then tomorrow i'll get 240-250 ms. Sometimes, an hour later it'll be 50-...
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0answers
106 views

Router reachability / configuration issue

I'm facing a weird problem at home and have been trying to find the root cause of the following problem, and solve it. I have a Motorola router at home and its public IP is 104.32.170.156 (taken from ...
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1k views

How to ping behind a Proxy on Windows

I found this working solution for Linux. http://askubuntu.com/questions/428408/can-not-ping-google-using-proxy/428414 . Any suggestion for Windows? I tried: set http_proxy=http://username:password@...
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1answer
163 views

Can't ping PC to PC (connected via switch 3550)

I'm guessing this is something simple as I just started networking recently and today is my second day messing around with this switch and virtual machines. I'll include all the information I think ...
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1answer
65 views

First Ping/Connection times out

I have a ubuntu 14.04 server and for some reason the first(or two) time(s) I connect to telnet, ssh, or ping from the server to say... bing it times out. Here is my output: root@server:~# ping google....
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2answers
377 views

Mac OS X host OS not able to ping Windows 7 guest OS on VirtualBox VM

I have Mac OS X 10.10 (Yosemite) as the host machine, I have installed VirtualBox and created a virtual machine with Windows 7 64-bit. I have created 2 network adapters on the virtual machine, shown ...
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1answer
54 views

Customize Linux ping icmp response

Is there any way to customize the icmp echo response a Linux machine sends back when someone pings it? Say I ping my PC at home and I want it to send a few bytes of preset data back, a message in ...
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1answer
56 views

What could be the reason for frequently losing the internet connection?

I am frequently losing access to internet. Nearly 3 out of 10 pages I open in browser wont open, as if I'm not connected to internet at all. I tested my wireless connection using ping -t and here is ...
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1answer
469 views

Cannot ping from guest to host and viceversa with VirtualBox, CentOS 6.7, Windows 10

Cannot ping from guest to host and viceversa. Guest is CentOS 6.7, default minimal installation + updates. Host is Windows 10 running VirtualBox 5. Both machines configured with static ip addresses ...
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1answer
138 views

Why ping/latency lower in-game than command prompt?

Is it weird that when i tested my ping to a specific gaming server on cmd, and it showed a constant and stable 42 ms (never below that), and When i played on that server in the game, it showed my ping ...
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1answer
41 views

wifi interface unreachable except from pinging pc

This is my very weird situation: A Zotac Zbox CI320 nano on Win7 should be running 24/7 just feeding a TV with some presentation, accessing stuff from network over Wifi. Every night, somehow the zbox ...
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2answers
1k views

can't ping to my public ip (I am using a 3G dongle)

I found my public ip by googling what is my ip which is a google provided service(The IP is shown above the search results). I tried to ping that public IP from another computer that is connected to ...
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1answer
140 views

Not able to ping Ubuntu VM from host deployed using NAT

I have Windows 7 as a host operating system and have created a Ubuntu VM using NAT Network configuration. IP Address of VM is 192.168.182.134. However when I am trying to ping it using command from ...
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1answer
67 views

Unable to ping domain but can ping server

I setup a Virtual Server on Hetzner after using this tutorial. Everything was fine, no errors. I setup ISP Config, added a domain example.com; vhost file is ok checked; DNS is declared. But I have ...
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3answers
5k views

What is 1.1.1.1? Why does it work for traceoute but not ping?

Today while trying out with networks I took traceroute of 1.1.1.1 and found my gateway address. Whereas I pinged 1.1.1.1 it results with packet loss. I googled about 1.1.1.1 and can't find any ...
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1answer
644 views

Virus or malware ruining my ping?

So the current situation is that on my stationary computer I experience abnormal high ping. Only for this computer. I am using a wireless network adapter: USB-N53 Adapter Dual-band Wireless-N600 The ...
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0answers
12 views

Some of my clients report a route change when they reboot\refresh their IP?

I made a gaming server recently that hosted by my ISP. Some clients report a change or improvement in ping/latency times from 50ms to 20ms by rebooting their modem/router to get a new IP address, and ...
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2answers
28 views

Unreachable nodes in a mixed lan wlan network

I have a home Network starting with my Internet router which contains 300 MBit/s WLAN and a 4 port Gigabit Switch (FB7390). Attached to that Switch there is anoter 5 port Gigabit Switch. It was ...
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96 views

How to force ping to actually send packets out of the NIC?

I'm working on an FPGA based packet capture and timestamping device. In order to test it, I want to try pinging through it. My computer has two dual-port 10G NICs installed and I have 3 ports ...
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2answers
108 views

Assistance needed with high latency on a home network compared with office network with two connections from the same ISP?

I’m having trouble with my home network’s high latency and would be glad if someone can shed light on what is causing the issue. Could it be because of my router (Buffalo AirStation Nfiniti running DD-...
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1answer
473 views

Can't ping Subnet A from Subnet B with router between them

I experimented with subnetting in my home network and Raspberry Pi. The ISP Cable Modem has 4 eth-interfaces and 1 wlan interface which all seem to be switched together. The routers IP is 192.168.0.1 ...
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1answer
30 views

Routing table different than expected

I'm using virtual machines in virtualbox. These virtual machines are linux ubuntu. One machine has 4 interfaces (eth0, eth1, eth2, eth3) and to each interface I assign an IP address. But when I look ...
2
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1answer
52 views

Bash Script will not stop.

So i had the bright idea of making a script that pings my IP to see if its up as i am having some issues with it. so here is the script I made. while : do ping (IP address) done now it ...
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2answers
75 views

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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1answer
78 views

Unstable internet speed macbook

In our network 4 computers and AP: MacBook Pro Notebook Dell 2 PC wifi access point Zyxel Keenetic 4G. PC connect to Zyxel with cable, notebooks - with wifi. Sometimes users of MacBook and ...
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0answers
64 views

Why is ping time to two ip address location fairly close to each other so different?

I am based in India and I am using rackspace virtual server in Hong Kong. Also, I am communicating to a external website hosted in Hong Kong. So, there are three computer end-points to consider as ...
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1answer
127 views

Why ping to a specific address is different from country to another?

I was working on a server outside my country, and the ping was around 90, I moved to other country and still working on the same server, both countries have the same distance, ISP, internet speed, ...
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1answer
2k views

Not able to ping to IPV6 address from Windows 7 [duplicate]

Mine is Windows 7 both on laptop(home) and PC(office). I've also tested checked this from a school on Win8 PC . Why I can't ping any IPV6 address? I've disabled Eset nod32 completely but still: >...
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0answers
66 views

Mac OS LACP Connection Can't Ping Certain Hosts

I have a Mac OS Machine that I've set up a LACP connection with a cisco SG300. bond0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=23<RXCSUM,TXCSUM,TSO4> ...
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2answers
103 views

Fluctuating ping to a certain ISP backbone

There's a central server that located 300 miles away from my country. but when i test the ping to that server or their ISP backbone, i get inconsistent or a fluctuated pings from there. i live in ...
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0answers
26 views

fluctuating ping/latency only to a certain ISP [duplicate]

Pretty much the title. There's an ISP server that located 200miles away from my location. Once the packets cross their network, it fluctuates from 40ms to 120ms back and forth and rarely happen to be ...
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2answers
156 views

Same ip, different route?

There's a set of ip addresses that are hosted from the same ISP servers, but when i pick a random ip address from that set, it picks the right route or maybe the wrong one. I'll give you an example: ...
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58 views

Cannot connect to router's admin interface when WAN cable is plugged into router

I have an ASUS RT-N10E router, with the latest firmware and I'm having, for the second time, this problem: The internet connection suddenly dropped, while I was using VirtualBox. When I tried to ...
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1answer
6k views

scp ssh: connect to host 10.0.0.109 port 22: No route to host lost connection

I use SCP command on Linux Debian to transfer a file to my colleague via LAN. But I encounter the problem: $ scp filename.file username@10.0.0.109:/tmp ssh: connect to host 10.0.0.109 port 22: No ...
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1answer
105 views

Ping usage explanation

When I type ping -h, I get a help with all possible flags. However the first few characters are: [-AaDdfnoQqRrv] What this supposed to mean? as per my understanding there is no such flag as A or -a, ...
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2answers
103 views

Weird Ping response

When I ping 1.1.1.1 I receive this output: C:\Users\user>ping 1.1.1.1 Pinging 1.1.1.1 with 32 bytes of data: Reply from 10.201.1.114: TTL expired in transit. Reply from 10.201.1.114: TTL expired ...
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1answer
426 views

Weird response when I ping x.x.x.255

This is my computer network configuration: C:\Users\user>ipconfig Windows IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Link-local IPv6 ...
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0answers
909 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 ...