Ping is a mechanism to see if a remote host is reachable via an IP network

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1answer
67 views

If i can ping a server does that mean it's switched on? [closed]

I think the question says it all, if I ping a server and access it using \server\c$ and get a response does that mean that server is on?
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120 views

Ping through a specific device or peer, BGP vyos

I am trying to figure out how I can compare latency to an end-point between two or more BGP peers. I am running VyOS 1.04 (community vyatta) and was using the linux ping command through command line ...
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85 views

What is causing this seemingly excessive ICMP traffic?

This seems to occur when I initiate a connection to an IP that I haven't previously before. Is this a botnet trying to say hi to his friends? As you can see I have an ip filter set in this image, ...
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97 views

Troubleshoot packet loss and slow transfers on some sites

I need some help troubleshooting a network problem. Home ISP says its the server's network to blame, and host says there's problem on ISP side. With little knowledge, its hard to see where the problem ...
2
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1answer
135 views

TCP traceroute works fine but not UDP

So I ran into this issue where doing traceroute some-server.abc.com returned *** for multiple lines and finally reached maximum hops limit. Doing a traceroute -T some-server.abc.com works perfectly ...
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215 views

Can only ping certain IP's over VPN

I have 2 Draytek Vigor 2830's set up with a IPSec VPN between the two which is working. Yet I can only ping the router in HQ (10.0.0.9) & the IPCortex (10.0.0.2), the outline below might help. ...
3
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1answer
241 views

ping: sendmsg: Operation not permitted (sometimes)

On a Ubuntu 14.04 running Haproxy, after a service haproxy reload, Haproxy is suddenly reporting all servers behind it as down. After some digging around, I noticed that ping is not working properly, ...
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1answer
89 views

Is there a dedicated server that is legal to ping frequently with a massive number of devices? [closed]

I have thousands of devices and all of them need to have some kind of communication pass through them every couple of seconds to stay active. Pinging is sufficient for keeping the devices active. Are ...
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2answers
543 views

Ping another IP on LAN resolves my own IP [closed]

I have no network, computers attached to a router with DHCP enabled. I have two computers, both access the internet just fine... Typing into console ipconfig I get my IP: IPv4 Address. . . . . . . ...
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2answers
999 views

Server is reachable from outside but can't reach outside by himself

I have a server running the newest Ubuntu with openvpn and apache2 installed. This server is located in a 192.168.1.* LAN behind a router, the router can reach the internet. Machines inside the local ...
2
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1answer
632 views

Ping not working from tap interface attached to bridge interface with ip on same subnet as that of bridge to outside

My requirement is to create a multiple tap interfaces, each with ip address on same subnet. I tried this by creating a bridge br0 (192.168.1.199) ...
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0answers
146 views

KVM : domain names are resolved, but cannot ping

I've found that in KVM, my networking is acting funny. Oddly (1) I can resolve external internet locations using nslookup or ping , but I cannot actually receive a ping back. (2) I cannot ping ...
0
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1answer
152 views

ping TOS values

Windows Server® 2008 offers ping -v TOS Type Of Service (IPv4-only) Trying to figure out what they mean I came that far that this has to do with IPv4's "Type of Service" Field – ...
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108 views

NewRelic Availability Monitoring of Third Party Service

Background NewRelic offers availability monitoring whereby you can specify a ping URL for an application and have NewRelic send HTTP GET requests to that URL and GREP the response for selected text, ...
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198 views

ASA 5540 v8.4(3) vpn to ASA 5505 v8.2(5), tunnel up but I cant ping from 5505 to IP on other side

I am having problems pinging from a 5505(remote) to IP 10.160.70.10 in the network behind the 5540(HQ side). 5505 inside IP: 10.56.0.1 Out: 71.43.109.226 5540 Inside: 10.1.0.8 out: 64.129.214.27 I ...
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1answer
76 views

Trace route to specific page on a website [closed]

If I can access a site (ie: serverfault.com) through my proxy/firewall, it means that it will allow all it's subdirectories (serverfault.com//)? I can access the website site.com/ but it returns me ...
1
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1answer
2k views

RDP working but not able to ping and share can't be accessed through UNC [closed]

I am asking this for my live environment servers. So, kindly requested to consider this while answering.. I have 2 cases asked here. Please do number while answering. 1) I have a server which I can ...
2
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1answer
106 views

Any way to increase the libvirt guest network response time?

We are running a number of Debian Wheezy VMs on top of Ubuntu Servers 12.04.4 / Libvirt 0.9.8-2ubuntu17.17 The host is connected to the network through a trunk. It then split the VLANs and create a ...
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2answers
137 views

IPv6 address not available from outside

Since Hetzner pretty much doesn't give out any IPv4 addresses, no matter what the reason is, I decided to give IPv6 a try. These is the assigned IP address subnet mask IPs: 2a01:4f8:190:5112:: /64 ...
1
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1answer
316 views

ping seems to be timing out in a shorter duration than specified?

I'm seeing some weird behavior with the built in ping command that I don't understand. (this is on a windows 2012 r2 box - I haven't verified if this behavior is seen on other windows versions) If I ...
0
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1answer
320 views

High ping times and packet loss on Alcatel-Lucent OmniSwitch 9600

We have 2 Alcatel 9600 core switches in a redundant configuration and 2 distribution switches (Alcatel 6850's) on another floor connected by fibre to the core switches. See the diagram below. Pinging ...
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2answers
53 views

How to manage PING replies? [closed]

How can I manage, for example, my Ubuntu mashine so it doesn't (or does) respond to PING(ICMP ECHO_REQUEST - type 8) requests? Normally almost all computers in a LAN network responds to ping with an ...
0
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1answer
361 views

When the Service Base Filtering Engine is active, ping and Remote Dsktvp do not work

In a Windows Server 2008 R2 When the Service Base Filtering Engine (BFE) Running is a Ping and RDP are disabled and do not work. But when I disable the service is Both Ping and RDP work. What do ...
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1answer
91 views

domain does not have ping in CentOS VPS [closed]

I have a VPS with CentOS 6.x, DirectAdmin control panel, and CSF. There are about 40 domains on it, but one of them did not load since yesterday (itgates.ir). When I ping this domain, is there not any ...
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2answers
507 views

what does `pipe <number>` mean in `ping` output?

While running a test to diagnose some alleged network problem, I got this output from ping: --- r01c01b11n02 ping statistics --- 30000 packets transmitted, 29995 received, 0% packet loss, time 6309ms ...
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1answer
369 views

“Destination Host Unreachable” and ARP returns no addresses over LAN

I am currently trying to setup LAN over two machines with a network mask of 255.255.255.0 however I am receiving the following message when trying to communicate between them both; [root@alpha ~]# ...
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1answer
2k views

Server not pinging even after setting gateway and ip

I am configuring an Icinga monitoring server. I am entirely new to Linux, so configuring after googling each and every bit. I have configured ip address, subnet mask and default gateway correctly. ...
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50 views

Network setup issue with no connection between virtual machines

I have the following network setup: EDIT: NOTE: WARNING: In the above Windows1 should have the ip 192.168.137.1 The issue that i am having is that every machine can ping and connect to every other ...
1
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1answer
167 views

Did you see similar icmp ever? [closed]

ping ya.ru PING ya.ru (213.180.193.3) 56(84) bytes of data. 64 bytes from www.yandex.ru (213.180.193.3): icmp_req=1 ttl=60 time=97.6 ms 64 bytes from www.yandex.ru (213.180.193.3): icmp_req=2 ttl=60 ...
0
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1answer
682 views

Windows 2012 R2 Server network fails intermittently

I have 2 windows 2012 R2 servers in a production environment. Both are VM's and configured same with the ip address as different. I haven't recieved alert of any kind of network failure for one ...
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2answers
559 views

Why do tracert latencies not add up to ping latency?

One might expect the sum of the tracert latencies to equal 267ms:
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75 views

Which Log file to check for strange Ubuntu server behaviour (offline for 5minutes at random times)

I am having problems with my Ubuntu 10.04.4 LTS server. My monitor application claims it goes off every morning at about 4 AM for 5 to 10 minutes. I am not sure where to start the troubleshooting ...
3
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0answers
4k views

OSX nslookup can resolve a lan hostname, but ping cannot? [closed]

I'm having an issue which recurs every few days, whereby ping cannot resolve a hostname on my LAN (but nslookup is able to). This is on OSX 10.9.2 (latest). The machine in this case is called ...
1
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2answers
542 views

What IP addresses to use for monitor the availability of Internet connection?

I would like to check the availability of Internet connectivity by sending ICMP "echo request" messages to some IPv4 addresses. Those IPv4 addresses should be as reachable as possible in stability ...
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2answers
494 views

Windows XP VMs on ESXis not pinging each other

I'm running a virual environment of this sort. There's a UCS box that has several VMs. I've setup 3 Virtual ESXi VMs and vCenter Server appliance. Using the appliance, I installed 3 WinXP VMs on the ...
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2answers
300 views

Why nslookup doesn't use mdns while ping do?

In dnsmasq.conf: address=/local/127.0.0.1 In resolv.conf: # Generated by NetworkManager domain example.com search example.com nameserver 127.0.0.1 nameserver 10.66.127.17 nameserver 10.68.5.26 I ...
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1answer
84 views

How to find vds/hosting with the best ping that I can have?

I'm living in tajikistan, and I want to purchase vps/dedicated server or at least good hosting outside of my country. One of important thing I want is to have a GOOD ping. For example ping to ...
3
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1answer
305 views

How to ping ipv6 interface

I'm trying to get familiar with ipv6 I don't understand why I can't ping this interface at the inet6 addr eth1 Link encap:Ethernet HWaddr 08:00:27:77:9e:77 inet addr:192.168.33.10 ...
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1answer
120 views

Bandwidth measurement using ping [closed]

How can I measure bandwidth using ping? I know I could use something like iperf on each end to do the measurement, but I can't do that because I don't have access to the remote system. Maybe if I ...
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0answers
94 views

Trace Route, Slow Pings, timeouts on after server restore

I am getting bad ping times on my server, especially for large data requests. The stored procedure on the server runs at 1 second, while calling it through my web applicaiton takes 23+ seconds. This ...
0
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2answers
155 views

packet loss between two specific VMs

I am experiencing some high-percentage packet loss (more than 70%) between two specific VMs in a local network, in a remote cluster (I have no physical access to it). One machine is used as a hadoop ...
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3answers
498 views

DNS issue? I cannot ping FQDN, yet I can ping alias (CNAME)

I'm experencing weird DNS issue and I was wondering if someone has any ideas: # ping -c1 test.XXX.local ping: unknown host test.XXX.local # ping -c1 test PING test.XXX.local (10.52.223.41) 56(84) ...
0
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1answer
229 views

Why would I get different ping times directly to 10.0.1.1 versus pinging google.com with TTL 1? [closed]

Using mtr to gather some statistics, if I run sudo mtr 10.0.1.1 to ping my router, it looks terrible: My traceroute [v0.85] Johns-MacBook-Air.local (0.0.0.0) ...
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3answers
666 views

How can be ping used to measure a server speed? [closed]

When I ping myserver.com, I get this responses: 64 bytes from XXX.XXX.XXX.XXX: icmp_seq=1 ttl=242 time=52.6 ms 64 bytes from XXX.XXX.XXX.XXX: icmp_seq=2 ttl=242 time=55.9 ms 64 bytes from ...
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2answers
168 views

Android/Linux Ping sends another packet before packet timeout

I have to send 10 packet & timeout for each packet should be 3 secs. As Android pings works on Linux ping commands, I am using below ping command in my application: ping -c 10 -W 3 -s 32 ...
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247 views

VPS server ping ok, but don't respond

First time here. I'm (was) using a virtual server with Kloxo, 2GB RAM, 2vCPUs, Centos 6.x 64bits. After 3 days working fine, it doesn't respond anymore, only ping works. The only change I did lately ...
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1answer
58 views

Dedicating a server for latency test

I've created a server to test bandwidth from employees working remote (using speedtest.net mini), but was wondering if anyone knew of a way to setup some software in linux to test latency and possibly ...
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1answer
773 views

Linux network namespaces - ping fails on specific veth

I just started to exploring network namespaces. I try to implement the following simple setting following the article in http://www.opencloudblog.com/?p=42 +--------+ ...
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1answer
477 views

Server not responding to http or ping but ssh works

I can access to a VPS through ssh. That VPS has httpd installed on it and running to listen onto port 80. However I can't ping that VPS nor access to his apache but I can log in with ssh. This is ...
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1answer
1k views

Unable to ping 127.0.0.1 … except as local Administrator

I'm having this issue with two Server 2008 R2 domain member servers built as VMWare guests. The DCs built at the same time do not have this issue. When I try to ping 127.0.0.1 (or "localhost") when ...