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

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0
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1answer
150 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 ...
0
votes
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....
0
votes
2answers
347 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 ...
-1
votes
1answer
51 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 ...
0
votes
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 ...
0
votes
1answer
432 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 ...
-2
votes
1answer
133 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 ...
1
vote
1answer
40 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 ...
0
votes
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 ...
0
votes
1answer
136 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 ...
1
vote
1answer
65 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 ...
1
vote
3answers
4k 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 ...
-1
votes
1answer
582 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 ...
1
vote
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 ...
2
votes
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 ...
0
votes
0answers
91 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 ...
1
vote
2answers
101 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-...
1
vote
1answer
445 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 ...
0
votes
1answer
29 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
votes
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 ...
-1
votes
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 ...
1
vote
1answer
77 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 ...
2
votes
0answers
61 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 ...
0
votes
1answer
109 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, ...
1
vote
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: >...
2
votes
0answers
64 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> ...
-1
votes
2answers
97 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 ...
-1
votes
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 ...
-1
votes
2answers
147 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: ...
0
votes
0answers
57 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 ...
0
votes
1answer
5k 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 ...
0
votes
1answer
103 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, ...
0
votes
2answers
100 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 ...
1
vote
1answer
401 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 ...
0
votes
0answers
817 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 ...
0
votes
2answers
114 views

Browser traffic is blocked but pinging traffic isn't

In my school, the internet only allows us to connect to Email and to our school course pages where content, homework, etc is posted. If I try to go to hulu.com in the browser, I get a blank ...
1
vote
1answer
231 views

why can I not managing to block an IP address in windows 7 firewall?

I pinged google C:\Users\user>ping 216.58.211.164 Pinging 216.58.211.164 with 32 bytes of data: Reply from 216.58.211.164: bytes=32 time=41ms TTL=128 Now I want to try blocking that IP ...
0
votes
0answers
23 views

How to measure one way ping on my ASP.net app

I want to be able to measure one way ping from my cloud server to a url. How can I be able to get an accurate ms value for that one way ping?
0
votes
1answer
51 views

Find all machines from a particular network that can connect to my server

A complete noob/novice here so you might have to be a bit patient so this might be a a very simple question We have a server in a specific network, say, 120.1.2.56 and only certain systems from a ...
1
vote
0answers
91 views

How to connect two different WiFi protocols on same laptop?

I am trying to run 802.11a and 802.11p WiFi on one laptop using shell scripts. I am getting all connections when I am doing "iwconfig" ( all connections means Wlan0 having 802.11p WiFi and Wlan3 ...
1
vote
0answers
114 views

Pinging an address shows request timeout

I am totally a newbie of Linux trying to remotely log into Debian from OS X via SSH. After installing OpenSSH on the server, ssh -vvv ***.***.***.165 gives the following output: debug1: Reading ...
0
votes
2answers
51 views

How can I break a batch script that is executing a ping without terminating the whole script?

I have a batch script that continuously pings an address and I want a way to cancel the pinging but not terminate the whole script (alternative to ctrl^C).
0
votes
1answer
220 views

Access 2nd network adapter from LAN

I am building a virtual network LAB using GNS3. It is installed in a virtual server (VMware) running Windows server 2012 Datacenter with 2 ethernet network adapters (Eth0 and Eth1), and 1 MS Loopback ...
0
votes
0answers
232 views

Can't ping Windows 2012 Server

File and Printer Sharing (Echo request - ICMP v4 and ICMP v6) is enabled in Inbound Rules, but still I can't ping server. I even turn off my Windows Firewall. What is the reason ?
2
votes
2answers
624 views

CMD ping requests not allowing more than 1000 bytes to be sent

I can successfully ping, say, google.com via cmd using: ping {IP ADDRESS} -T -L 1000 But if I use a packet size greater than "1001" I get a request timed out error. I know that the max amount of ...
0
votes
1answer
42 views

Regarding the limitaions of “Listen Server”

Let's say that I have a game server located in my country which is hosted by my ISP. For example, I pinged their game server and I got 10 ms ping, and let's say the game features the ability to host ...
4
votes
2answers
916 views

Is there a maxium number of hostname aliases per line in a Windows hosts file?

I have a hosts file on Windows 7 that has an IP address followed by 10 different hostname aliases. I can ping the first nine, but if I try to ping the tenth, I get: Ping request could not find host ...
30
votes
4answers
5k views

Difference between pinging with and without http://

I am trying to ping my website http://www.example.com/ and it resolves to an unknown IP address and times out. PING http://www.example.com/ (198.105.254.228): 56 data bytes Request timeout for ...
1
vote
1answer
619 views

Can't run batch file in Server 2012

This site rocks! I am trying to run a simple .bat file on Server 2012 that will ping another server, filter out all the lines except one, and then write to a file for later use (I then want that file ...
0
votes
1answer
79 views

hostname lookup with ping -a randomly doesn't work

on my network I'm trying to find the hostnames for all my machines to have a better chance of physically finding the machines in question, and I'm having a puzzling issue. When I ping -a the IP ...