A utility to determine whether a specific IP address is accessible.

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network - Internet connectivity drops intermittently on El Capitan [duplicate]

I have exactly the issues outlined in these two posts - has anyone got any solutions to this kind of issue? Internet connectivity drops intermittently on El Capitan ...
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Can't receive ICMP echo replies from outside of local network in El Capitan

I'm observing the weirdest thing. I can't receive any ICMP echo replies from hosts outside of my local network on my MacBook running El Capitan. Pinging hosts within my local network (my router and ...
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8 views

How to find the IP of a device connected through Ethernet Sharing [duplicate]

I often share my MacBook Pro's Ethernet connection with devices like a Raspberry Pi to log in via SSH and configure files without using a screen, keyboard, etc. My current method to find the IP is ...
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81 views

MacBook Pro loosing Wi-Fi/Bluetooth - how to provide a record for service

My custom-built early 2013 MBP 15" is struggling to deliver an acceptable wireless functionality. In the only suitable tool that comes to my mind, a simple ping permanently open on the side of my ...
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104 views

Getting high ping when MacBook Air is connected to Wi-Fi

I have a 13" MacBook Air with Yosemite 10.10.2 installed: As soon as I connect it to my WiFi, I get a very high ping (1600 ms) on both my machines: Windows 7 PC and my MacBook. As a result browsing ...
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25 views

ping and traceroute commands not working with IP addresses in my LAN

I am trying to ping and traceroute the IP addresses (that I obtained with the command arp -a) in my LAN, but it sends immediately in the case of ping SOME_IP_ADDRESS Request timeout for icmp_seq ...
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54 views

Little Snitch shows ping flood to 0.0.0.192

My Little Snitch Network Monitor tells me my machine is ping'ing 0.0.0.192 every second. What's going on? EDIT: A Wireshark capture tells me this ping has Source 0.0.76.188 Destination 0.0.0.192 ...
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116 views

Random latency ping spikes

So I have been having serious problems with lag(connection ping spikes) on my computer. I am using Mac Pro (Mid 2010), and I used the “sudo ping -i .2 192.168.0.1” command in terminal to monitor my ...
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57 views

What could be the cause of these erratic and extremely high ping times between two MacBooks over wifi?

I have two laptops on my network: a Mid-2015 Macbook Pro Retina running 10.10.5 and an Early 2014 Macbook Air running 10.9.5. When I ping one from the other over the same wifi network, I get very ...
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1answer
170 views

Why the different results for ping? Or why is the Time Capsule getting involved?

I'm setting up a bash script network monitor at the core of which I am using ping. When a host is down, I get the standard host is unreachable, usually. But on one box it seems to be getting a ...
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1answer
66 views

Cannot ping between OS X on wireless LAN

Macbook Pro OSX 10.10.5, Late 2013 model. Firewall entirely off (Stealth mode is certainly off). Three Macbook Pro’s wirelessly connected to the same wireless network (WPA/WPA2 Personal) under the ...
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130 views

Cannot ping Mac from other hosts on network

I am unable to ping my Macbook HD (OS X 10.9.5) from Linux host on same network. Linux host claims all ping packets lost. So I did a packet capture on my Mac using sudo tcpdump -i en3 -s 0 -B 524288 ...
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13 views

Macbook Air, pinging networks

Is there a way to see all the networks that my Mac has tried to connect to, but didn't? Is it hidden in the plists in the terminal?
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49 views

Mac not Pingable by other Devices

I have a MacBook Pro running OS X 10.10.5. Internet connection is working stable. Problem: My Mac can't be pinged by other devices in my local Wi-Fi. Windows Laptop can ping iPhone. iPhone can ping ...
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1answer
110 views

unable to ping local network

I have a problem whereby Mac A cannot ping the local network. It can ping the router, 192.168.1.1 but none of the machines on that network. Mac B works properly. I am running yosemite 10.10 on both ...
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61 views

HLS Stream on differnt iPhones

i have a mystic situation with my iphone. So the problem is: I have an IP camera on my house - it's streaming in RTSP -> which is going to a server, which converting RTSP to HLS. So the server is far ...
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1answer
39 views

Terminal Ping, how to get simple integer

i am wondering how exactly you would get a simple integer result instead of all the miscellaneous information such as the packet size, transmission number and target. To elaborate: I would prefer ...
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35 views

How to ping to get full delay with VPN?

When I ping a host while connected through VPN, it doesn't add the delay to reach to my VPN first. Is there a way or parameter to get full millisecond delay to a specific host from my computer ...
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Ping times keep oscillating on Wi-Fi: Boom network load? [duplicate]

I have a 2012 retina MacBook Pro that lags in a very specific way: I have normal ping times for about 5 seconds and then they spike to 100-300ms more than normal for about 5 seconds, and back and ...
2
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1answer
847 views

Mac OS X Yosemite connectivity issue

Every so often my MacBook Pro starts getting very intermittent network connectivity. I have a Virgin Media SuperHub. Pinging my router gives me lots of request timeouts: 64 bytes from 192.168.0.1: ...
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1answer
187 views

How to use OS X's terminal to ping an IP using the latency as a stopping condition for a loop?

What I'd like to do is to ping an IP while the latency is above an specific value. I think an example will help: Let's suppose I have the following result to the "ping *IP here*" command: PING *IP ...
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1answer
131 views

Ping Issues using Thunderbolt to CAT

Is anyone having a higher than usual ping when using a thunderbolt to Ethernet adapter? Or maybe the thunderbolt adaptor has a known issue? Found this thread, Ping on Mavericks on late 2013 MacBook ...
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1answer
203 views

Ping command works in Network utility but not in terminal

I am on os x 10.9.4 If I ping google from the network utility I get 0% packet loss. But if I try to ping google from the terminal with ping www.google.com I get 100% packet loss. System Preferences ...
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1answer
2k views

How to send several pings per second? (ping more quickly)

I was looking into pinging a host 5 times per second. I've read the man page for 'ping' for Mac OSX, but I can't find anything that would allow me to do this. I tried setting the -W switch to 5, to ...
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2answers
4k views

Cannot ping my IP

How can it be that I cannot ping my own IP on Mac OS? $ ifconfig -a lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 options=3<RXCSUM,TXCSUM> inet6 ::1 prefixlen 128 ...
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697 views

Trying to connect to Facebook, but pinging it says packets not received

When I go to Network Utility and ping Facebook with the domain www.facebook.com, I get: Ping has started… PING www.facebook.com (69.171.228.74): 56 data bytes Request timeout for icmp_seq 0 Request ...
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3answers
4k views

Ping on Mavericks on late 2013 MacBook Pro slow and variable compared to Windows

I had a couple of issues connecting to an SMB share last night so started using ping to test connectivity. At that point I noticed the ping was very slow and variable - my Windows laptop shows ...
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3answers
4k views

Which setting in osx could block “ping localhost”?

How can I detect which setting in the OS X could block ping localhost? IPFW, LittleSnitch no such rules? Update 1: > cat /etc/hosts 127.0.0.1 localhost 255.255.255.255 broadcast
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2answers
455 views

get a notification when my machine is pinged

I'd like to be able to be notified in any way (sound, notification, growl, etc) when someone pings my machine. Is that possible?
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458 views

Why does my Mac mini answers pings while asleep?

My Mac mini late 2012 behaves strangely: When awake the computer answers ping correctly: 64 bytes from 10.0.1.12: icmp_seq=5 ttl=64 time=4.201 ms 64 bytes from 10.0.1.12: icmp_seq=6 ttl=64 ...
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3answers
1k views

Ping graph utility

I am having connectivity problems with my broadband and want to create some evidence for/with comcast. In particular, I'd like to run a continuing series of pings and get a graph out. All I've been ...
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801 views

Unable to ping any website through terminal and network utility

I have internet connection and I can access every website. But when I try to ping any website ( be it www.google.com or www.stackoverflow.com or any site ) I always get Request timeout for icmp_seq 0 ...
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2k views

nslookup & dig fail; ping, traceroute, and scutil -r work

I'm running on 10.8.2. All of a sudden, traditional nameserver lookups are failing on my machine: $ nslookup www.att.com ;; connection timed out; no servers could be reached $ dig www.att.com ; ...
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2answers
945 views

Best way to isolate iMac internet connection problem in small office?

I manage a small office that is 7 macs and 1 PC. One 2010 iMac in aprticular has ongoing internet connectivity issues where it says it's connected (via Network Diagnostics) but it goes out again ...
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1answer
6k views

How to stop Windows firewall from blocking Bonjour hostname resolution

I have Bonjour installed on my Windows 7 PC, and the installer appears to have poked all the necessary holes in the Windows firewall. However, I can't ping windows-pc.local from my Mac. If I ...
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1answer
449 views

Large ping times in normal mode, okay ping times in safe mode

I pinged google.com to see that ping times ranged from 54 ms to over 2000 ms on my MBA. After a quick isolation and testing, I figured that it was my MBA only issue. I log into safe mode on my MBA ...
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1answer
3k views

How can I format the output of ping in bash?

I am using the following script to cycle through a list of IP addresses and report back on the % of packet loss. I'd also like to have the IP address printed first, then its % of packet loss. But I ...
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1k views

DNS Issues after Updating to Mountain Lion

I've updated to Mountain Lion, and I'm having some DNS problems. I always PPTP/L2TP VPN connections on my macbook. Recently after a while of working with Mountain Lion, VPN stops sending and receiving ...
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1k views

Ping and curl resolve to one IP, dig/nslookup/host resolve to another

OK, I have a very interesting case. I have a custom DNS server that is vending out IP addresses to varying servers in my test network. If I use dig, nslookup, or host, it tells me that it's properly ...
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1answer
929 views

How to use Telnet with Personal Hotspot (tethering)?

I got the Personal Hotspot working great, with both USB and WiFi (on different computers/devices). However, I am not able to ping or telnet the other computer. Both computers can ping the iPhone ...
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2answers
656 views

Is there an app to ping IP's periodically to check latency?

I'm sure I came across a really nice app that would ping a list of sites or IP addresses every x mins/hours and send alerts when it could not ping. But I can't find the app back, anyone know of any ...
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3answers
1k views

Minimum required ping time for computer on LAN?

I want to ping all possible IPs in my LAN, and I have the code for it, but right now, I've already cut the weight time from 5s to 2s, and it's still about 8 minutes to test them all. How long should ...
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3answers
24k views

Ping all IPs in LAN

How would I find out all the devices on my LAN by pinging them all in terminal? What would the code be?
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2answers
27 views

iTunes updates and Ping

I'm not very savvy. I usually accept all iTunes updates to get any important fixes. But I don't think I need Ping - never signed up and don't use social networking. Should I reject iTunes update # ...
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2answers
7k views

Ping command on iPad

Is there some way by which a ping command or somewhat similar can be run on iPad ? I am trying to do this as my wifi connection dies out if there is idle time even for a few mins though it works with ...
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1answer
257 views

iTunes 10.3 thinks it's a version below? No ping, locked out from iphone sync

my iTunes thinks it's a version below for some reason I have 10.3 installed (Finder says so, iTunes > About says so) but when I try go into ping it gives me the "See what you're missing, upgrade to ...
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3answers
4k views

Graphical Ping Plotter, similar to Perfgraph?

On Windows, I use a program called Perfgraph, which, among other things, showed a visual graph of ping latency to various hosts in my Task bar. Here's an example: The ping metric is the graph on ...
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5answers
291 views

What do you think about Apple's Ping service?

Personally, I have not signed up the Ping service that is included in iTunes 10. My main reason for avoiding it is the fact that Apple requires you to use your real, full name for registration. What ...
11
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3answers
317 views

How do I disable Ping?

Although I do like and enjoy using iTunes, I'm not a fan of the new Ping service that Apple has embedded into it. Is it possible to disable the Ping link under "Store", the Ping sidebar, and the ...