Tagged Questions
0
votes
1answer
33 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
votes
2answers
73 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
votes
1answer
45 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 ...
0
votes
1answer
66 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
vote
0answers
53 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. ...
1
vote
0answers
31 views
Need explanation about tracert result [closed]
This is not homework. Today I have to go through many Internet cafe, and I try some tracerts since I am learning Computer Network at my school. The result makes me really confused. Here is at the 1st ...
1
vote
2answers
58 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 ...
2
votes
2answers
46 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 ...
0
votes
0answers
34 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 ...
0
votes
1answer
46 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:
...
0
votes
2answers
116 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
2answers
56 views
is it possible Pattern ping in windows?
is it possible pattern ping in windows , like we do in linux ping -p ff dest_ip ?
Thanks,
1
vote
1answer
173 views
Ping fails to find host but NSLookup resolves okay
We have an intermittent problem on Windows 8 whereby Ping fails to find the host but NSLookup resolves it correctly.
Ping host1 - fails with ping could not find host
Ping host1.domain.local - also ...
1
vote
0answers
19 views
What are these Request Time Outs in Tracert? [duplicate]
I am having dual router/modem ( I don't know the correct term ). IP of first router is 192.168.1.1 . This is the router which is connected to phone line. Then I have another wifi router , its IP is ...
3
votes
3answers
158 views
Which ping sends “ICMP echo” as payload?
Our web server is under attack for a long time now (at least several months). We get some 50000 ICMP Echo-request messages ("pings") per second. If I have a closer look at them, I can see that almost ...
0
votes
1answer
79 views
Can't access my computer after installing VirtualBox on it
There was a similar question 2 years ago, but everyone confused guest/host OS.
After installing VirtualBox on my Windows 7 box, I can no longer ping it or access it from anywhere within the LAN. ...
1
vote
1answer
62 views
Error in pinging localhost although have internet
i am working with my laptop lenovo think pad Edge.
i don't have any problem with internet, my internet is ADSL and i have an access point and connect to it with out any problem.
but when i run CMD ...
1
vote
0answers
40 views
Under what circumstances does the scp command fail?
I have two linux(redhat 5.6, 64 bit) servers(hp proliant 380p g8), server1's eth0,eth2 bonded to bond0.Similarly server 2's eth0,eth2 bonded to bond0. server1's eth0 connects to cisco(3560 catalyst) ...
0
votes
0answers
43 views
Cannot ping Wirelss IP when ethernet is connected
I have a computer with a USB-to-WiFi adapter and and Ethernet port.
When I connect the pc to the wireless network I receive an IP and I'm able to ping it.
However when I connect also the ethernet ...
2
votes
1answer
146 views
Connected via UMTS but can't ping default gateway
I have a UMTS modem/Windows computer that can't connect properly to the internet. It gets an active PDP context and Windows gets an IP address from DHCP, DNS and default gateway addresses.
But no ...
0
votes
0answers
39 views
Networking ping
I installed OpenWrt in VirtualBox with this network configuration:
-access bridge
-eth0
-type of card: PCnet-FAST III
the eth0 adress of OpenWrt is: 192.168.1.226 the eth0 adress of the OS ...
0
votes
0answers
98 views
Artificial network delay tcp/udp (bigger ping) for defined application? (windows)
I have a game where people can easy detect who i am looking at my ping, i want to make my ping highter.
How can i set network delay for all network connections for defined application?
0
votes
3answers
281 views
No reply for ping command. What does this mean?
I am testing the availability of nodes in a netwok. For that I use ping command and see whether that machine responds back.
However, if a machine is not reachable ping should show me that that ...
0
votes
0answers
31 views
Networking issue, single ping direction fails
I am experiencing some quite strange networking problems. I have a single ping direction (from my main pc to my Samsung Smart TV) while all other pings work really well. I am hoping some of you have ...
1
vote
0answers
104 views
suse linux 11 unable to ping target machine
i have four suse linux servers siting on different lan. they are connected by a router and it is configured to allow these machines to ping one another.
default routings have been added to all these ...
-1
votes
1answer
32 views
Mapping network beyond my local network [closed]
I'm not sure if this is possible, but I'm curious about what goes on beyond my local network. Is there any way I can produce a visual map beyond my local network?
0
votes
1answer
390 views
Mac OS X Mountain Lion can't ping/telnet localhost. Point to a wrong public IP
I've been developing Node.js apps on my localhost on port 1337 for last two years with no problem as shown below.
$ node app
App started on port 1337
Today I wanted to test how things go with ...
0
votes
1answer
177 views
No PING response from host but detecting IP address
I am using a 3G USB device (PTCL EVO Nitro) to connect to the Internet on Windows 8.
When I tried to open yahoo.com in IE, FF, and Chrome, none of the browsers display the page. When I try to ping ...
1
vote
3answers
87 views
Can I measure PING time between two other computers?
I am investigating a perf issue in the field. Typically, there just isn't enough bandwidth for my app to be speedy. Typically the way it works, is that I ask to Terminal (via VNC or WebEx) into the ...
0
votes
1answer
53 views
Is it possible to read ping command's message on the address you send the command to?
If let's say I use ping command in the form of ping -p 'xyz' 1.1.1.1 can I read the pattern xyz on 1.1.1.1? Are there more ways in which you transmit data using ping command?
1
vote
2answers
112 views
How can I find the source of packet loss in a traceroute?
Whenever I ping my website, I get 5% packet loss consistently. However, pinging other sites such as google produce no packet loss. I'm really not fond of my webserver dropping packets, but I'm not ...
0
votes
1answer
4k views
“destination host unreachable” while ping attempt between 2 pc on 1 network
I have 2 computers in my network ones ip address is 192.168.2.31(PC-A) and the others is 192.168.2.33(PC-B).
When I'm trying to ping from PC-B to PC-A it says:
Pinging 192.168.2.33 with 32 bytes ...
1
vote
1answer
47 views
Pings TTL networking
Lets say that two computers are connected on the same network through a router (default gateway). If I was to ping the other machine, which had a standard TTL of 64 (*nix host), would I get back a TTL ...
0
votes
1answer
21 views
Time to travel hops networking
If two machines are on the same network, as in, they both are connected to the same default gateway, does sending out a ping from one machine to the other make the other reply with a TTL value ...
0
votes
1answer
30 views
Why do TTLs differ in a ping
If I send a ping to a certain machine across the country with a ttl equal to 15, why does the response from the server have a ttl of 51?
0
votes
2answers
135 views
What does this Ping answer mean?
This is the output from an attempt to ping from a Windows 7 computer with an LTE modem plugged in.
The LED on the device tells me that the device has a data (IP) connection, but the Windows network ...
2
votes
0answers
297 views
Can Network Card cause high ping?
I have
windows 7 x64
VoIP Modem.
Arris Modem.
12Mb cable internet
ASUS P5K motherboard with built in Atheros L1 network card.
Few month ago my downloading speed started to slow down from 12mb ...
2
votes
1answer
214 views
Slow response for ping to 127.0.0.1
I have a ping to 127.0.0.1 which varies between 1 and 23 milliseconds. I'm using a VIA Rhine II Fast Ethernet Adapter, and updating to the latest driver version 3.87.0.1 didn't seem to fix the ...
0
votes
1answer
155 views
Wi-Fi connected but can't go to any site
My Windows 7 laptop can connect to our Wi-Fi signal, I can sign in on Yahoo! Messenger, but I can't go to any site. I can access the Net on other devices. The issue started a few weeks ago, so I've ...
2
votes
1answer
746 views
How can I monitor my ISP's connection quality over time?
I've got a very bad ISP and want to monitor the connection quality over a month's time.
At the moment I just wrote a script which logs ping requests to Google's DNS server 8.8.8.8.
How can I do ...
4
votes
3answers
285 views
How does ping(8) work?
I was learning server/client basics, as part of my networking programming skills development.
So basically I write server listening on some port, and client connecting to it
and data flow goes on...
...
1
vote
1answer
339 views
aDSL dropped packets, but only when more than one computer is connected
I'm having problems connecting my LAN to aDSL.
I run a Mac Mini server with a fixed IP address, and my own named, smtpd, httpd, etc. There are two other Ethernet computers, and an Airport Extreme ...
1
vote
1answer
318 views
No ping to localhost
Ping to e.g. my router on 192.168.1.1 or to google.com are fine, but ping to either 127.0.0.1, localhost or ::1 results in:
C:\>ping 127.0.0.1
Pinging 127.0.0.1 with 32 bytes of data:
General ...
0
votes
0answers
61 views
Negative ping on OSX? [duplicate]
Possible Duplicate:
Negative ping time?
Running the ping command for a very long time, I get this result:
384063 packets transmitted, 380228 packets received, 1.0% packet loss
round-trip ...
6
votes
2answers
332 views
What public IP should I use for long-term network test?
What IP address is OK to ping -f for a prolonged time (the whole day)? "4.2.2.2" or something else?
The main concern is the admins there that may decide that it is some DoS and block/complain...
...
1
vote
2answers
475 views
Weirdly high ping on direct ethernet connection?
I bought new Lenovo IdeaCentre H430 pc and I'm having problem with high pings.
Windows 7 with on-board realtek NIC. Fresh install, fully updated, drivers installed from included CD.
When I start ...
1
vote
1answer
98 views
Ping isn't acting accurate?
I've been trying to diagnose some latency issues with my internet connection.
I've been lagging out of online video games and such, which of course could be their server's fault. So, I've been ...
0
votes
1answer
356 views
I can ping, but cannot traceroute or connect to VNC
I am trying to connect to a remote computer using VNC.
As I try to connect using VNC, my connection always times out.
(I use the Remmina REmote Desktop in Ubuntu, and the server desktop is a mac ...
5
votes
4answers
8k views
Pinging a machine on my local network gets an 'unreachable' response from my own IP address?
Edit for future readers who get here from google or another search engine:
This question is now the top google result when searching for 'destination host unreachable from my own ip address'. If ...
1
vote
4answers
400 views
Network connection troubleshooting, unreliable ping
I am trying to troubleshoot a network connection. The connection is wireless, and for the most part works well. (Physical connection from computer to router, physical connection from router to ...
