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

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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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1answer
23 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 ...
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1answer
36 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
19 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
23 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
58 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
17 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
21 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
25 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
98 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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18 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
43 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
24 views

Interleaved mode is so affective?

I've been wondering, if there were two computers connected through separated ISPs. If their ISP applied Interleaved mode through their cabinet(DSLM and such) that auto check and corrects bad/noisy ...
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0answers
25 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
51 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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0answers
28 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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0answers
61 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
30 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
50 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
268 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
34 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 ...
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2answers
70 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 ...
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1answer
80 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 ...
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10 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?
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1answer
26 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 ...
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0answers
22 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 ...
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0answers
47 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 ...
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2answers
37 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).
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1answer
50 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 ...
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28 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 ?
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2answers
73 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 ...
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1answer
37 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 ...
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2answers
69 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 ...
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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 ...
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1answer
202 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 ...
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1answer
40 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 ...
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94 views

What can cause high ping between a PC and router?

My PC is connected directly via Ethernet into the modem/router supplied by my ISP. When I test ping my routers address (192.168.0.1) I get about 9 results of >1ms, and then BOOM an absurd ping return ...
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1answer
97 views

Ssh/Ping Problems in Mac Yosemite through wifi but not ethernet

I am using Mac Yosemite OS to connect to my office servers via ssh. I am not able to connect through any of the Wifi (my apt's wifi or my work place's wifi). However, I am able to do ssh when I am ...
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2answers
47 views

Pinging My phone [closed]

I have recently lost my phone and I really need to find it I was searching on how to ping it for its location but I still haven't found any useful information. Is it possible I could ping it from ...
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0answers
77 views

Sporadic high ping to router

I'm receiving frequent high ping to my home network. Usually it will return a ping less than 1ms, but around 10% of the time, it will throw in a ping of 800+ms when pinging my router (192.168.0.1) ...
4
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2answers
148 views

Why doesn't “ping -j” work?

I am experimenting with ping command on Windows 7. According to the help of ping command. -j host-list Loose source route along host-list (IPv4-only). My computer sits in a home LAN. The ...
1
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1answer
105 views

I can ping but cannot download from the internet

When using the system proxy, firefox has no access to internet. After changing the proxy to auto, firefox downloads fine. In the terminal, when I tried to download using wget, the ternimal stopped at ...
2
votes
1answer
70 views

Weird high ping when another user on the same lan uses Skype

Well, this is not happening to me but my flatmate. He is having a high ping while playing(League of legends) as soon as I use skype (I've tested it by shutting it down and his ping was lowering ...
1
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2answers
114 views

What causes dropping of ARP response packets in a wireless network?

I have a network of wireless access points (APs) in my local area network (LAN). Some PCs in the network can get ping responses from some other PCs/devices in the network but not some others. I have ...
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2answers
26 views

Cant connect to a pc that uses static ip

I have one workstation in our network that works strangely, I do not know the exact terminologies, it uses a static ip which is configured in its local area connection properties. It can connect ...
2
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0answers
101 views

How do we get statistics from a continuous ping in PowerShell?

In Windows command prompt, when you Ctrl-C out of a continuous ping, the terminal will display the statistics: Ping statistics for ::1: Packets: Sent = 6, Received = 6, Lost = 0 (0% loss), ...
318
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1answer
17k views

Ping faster than light

I just discovered very strange thing while testing my internet connection. My ping is smaller than it should be. For example ping time to Arizona State University is about 14ms. eryk@eryk-pc:~$ ping ...
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0answers
17 views

subdomain Dyn DNS timeout, got ping but get browser timeout

For my Dyn DNS at dyn.com, I have one hostname "mra.dnsalias.net" that I created a while back, but did not have the wildcard checkbox specified, which would map "*.mra.dnsalias.net". The initial ...
3
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1answer
180 views

Why does “curl” command work normally while “ping” not?

I find a strange phenomenon in my corporate network: I can execute curl google.com command successfully: [root@localhost ~]# curl google.com <HTML><HEAD><meta ...
0
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2answers
47 views

I can ping localhost but not any external server

If I type ping 127.0.0.1, I get the response. However if I type ping google.com or any other external website, I get Request timed out. I know something is blocking in my network, but where I should ...