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

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3
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2answers
3k views

Permissions to Ping over an interface

My server is running CentOS 6. I have a Sprint Broadband device connected as ppp0. This connection has a tendency to need restarted, so I'm trying to monitor it with Nagios (this is used for other ...
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0answers
31 views

Delayed Ping of a link-local address with Windows 7/Server 2008 R2/Server 2012 R2

I have a strange effect here, which I do not understand. PS C:\Users\user1> ping fe80::219:bbff:fe0e:c600%16 -t Ping wird ausgeführt für fe80::219:bbff:fe0e:c600%16 mit 32 Bytes Daten: Zielhost ...
-1
votes
0answers
13 views

Very high ping on WiFi at random times [on hold]

I have read what I could find about the topic but couldn't find anything that would help with the issue. The only thing that I can think of is that my hardware needs to be replaced but I'd like to ...
0
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0answers
23 views

Have Internet access but no Ping [closed]

l am running a VM with Centos 7 on my windows7 machine . The problem is i can't ping to any network but i have internet access on my machine. Also my network status on VM shows: Failed to start LSB:...
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0answers
9 views

Freesco cant ping other machines [closed]

Im having some trouble with setting up Freesco on my VMworkstation, hoping someone can help.. I have a freesco VM with 3 NICS NIC 1 - Bridged with host 192.168.0.2 255.255.255.0 GW 192.168.0.1 (my ...
5
votes
1answer
2k 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) ___________|...
-2
votes
1answer
46 views

how to ping ipv6 neighbor with global scope address [closed]

I have 3 virtual machines. (VyOS router, 2 x Ubuntu 14.04). VyOS advertised some prefix 2001:DB8:0:1234::/64. Now my ubuntu hosts have two ipv6 addresses: ubuntu 1: link-local scope: fe80::1111:...
0
votes
1answer
1k views

OpenVPN run script after tunnel is set up

I'm having a hard time figuring out exactly how can I update my A records on my cloudflare account. I have already set up a script that checks for IP changes, and pushes the changes through the ...
0
votes
2answers
54 views

Finding ip address from mac addess

I have router in bridge mode which is installed Openwrt and I want to find IP address of devices which are connected to the router. Since router is in bridge mode, I can not find IP from DHCP leases, ...
5
votes
3answers
25k views

Ping from specific network adapter on Windows

Hey, I've been troubleshooting network issues on servers with 2 NICs and laptops with wired and wireless cards. How can I force the PING and TELNET to be sent from a specific adapter? I know it's a ...
1
vote
4answers
3k views

Sonicwall NSA2400 - No internet access

We've got a SonicWall NSA2400 configured with a LAN (X0) and a WAN(X1) interface. It was setup and working fine until just recently when a temporary worker changed some settings most likely NAT. We ...
0
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0answers
31 views

VMware VSphere VM keeps getting ping and rdp unresponsive

I'm experiencing a very odd behavior on a win8.1 VM I have. After a while, it is becoming ping and RDP unresponsive, however this is still up and running in vSphere. To go around this issue, all I ...
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0answers
20 views

fping duplicates on centos

I'm working on quite a few HP DL160 Gen8's and am getting duplicates in fping when checking to see if a host is down. It looks like this: <hostname> : duplicate for [0], 96 bytes, 0.50 ms ...
0
votes
1answer
29 views

Measure latency using ping from a 3rd server

I am new to networking and I wanted this kind of environment. is there any way to measure network latency using ping between two hosts, given the condition you are not logged into either of the hosts? ...
0
votes
4answers
2k views

NSLOOKUP and NBLOOKUP give one IP address; PING finds another

In a Windows Server 2008 domain the on-site domain controller serves as both DNS and WINS server. It is also a DHCP server. One workstation is used as a platform for all admin of the various servers ...
1
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0answers
31 views

Cannot ping 2012 R2 host server from external addresses after installing Hyper-V

Development box running 2012 R2, Ubuntu 16.04 in a Hyper-V VM Port forwarding set up on internet-facing router to pass through to host server. Can RDP into the host server just fine. Can ping to/...
0
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0answers
21 views

Ping to server disappear for a long time, but reappear after reverse ping to my static IP

Almost every day about 9.00 - 10.00 link to my server goes down. I have two links: direct static IP & Hamachi VPN, usually I lose only the direct link, but Hamachi still works. Most interesting ...
1
vote
1answer
45 views

Probable network issue despite healthy ping stat?

We faced a problem with a windows network where we suspect it to be a network issue although the ping works fine. System Overview: The Windows network is accessed from multiple sites connected ...
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1answer
57 views

Ping in local network pings myself

I have two computers on my local network: Laptop 192.168.2.11 Windows 8.1 Tower 192.168.2.10 Windows 7 If I use Laptop to ping Tower, which has the local IP 192.168.2.10, I will get a result from ...
0
votes
1answer
44 views

Can high server's CPU usage cause high ping for clients? [closed]

Some users have high ping and they cannot play my multiplayer game due to it. My server application is causing CPU to always rise little by little and when I restart it, it drops. I am working on ...
0
votes
0answers
61 views

Ping inconsistent but works just to different address

When I ping a static external IP address on my internal network it works half the time directly to the IP address but then half the time it is going to the router address first. Is there some things I ...
0
votes
0answers
65 views

Server goes down for a few minutes every other day and random times

I have 2 VPS that are behaving strangely, I'll explain everything in great detail because I'm not from below, and therefore do not know exactly where the problem starts. I have 4 VPSs on a server ...
0
votes
2answers
135 views

How can I enable Ping on an Azure Linux VM

How can I enable Ping on an Azure Linux VM, Centos 6.6 - I know we can enable this on a Windows VM, but how to do this for a Linux VM? Thanks.
0
votes
2answers
58 views

Can't access particular website on Windows Server, but ping works [closed]

In my Windows Server hosted in AWS, I tried to access a particular site from Chrome/IE and both browsers returned - the site can't be reached/the server refused to connect. However, when I try to ping ...
0
votes
2answers
191 views

Printer not reachable in network

i've a low-cost printer Samsung i provided to configure in my network. i gave it a static IP and connected to my AP. i can ping (and use) the printer only if i'm connected to the same AP. why can't i ...
2
votes
1answer
124 views

A non-recoverable error occurred during a database lookup

Short version: Why does Test-Connection report "A non-recoverable error occurred during a database lookup" for an offline host on a different subnet? I'm using PowerShell to ping a remote host with ...
0
votes
1answer
28 views

ibping error: “can't serve class 50 on this port”

I try to run an ibping server on a machine with an infiniband card: ibping -S I get this error message: ibping: iberror: failed: can't serve class 50 on this port Any idea to solve the problem? ...
0
votes
1answer
63 views

Router configuring without NAT

i just addes a fw to my network. it manages 2 WAN using load balancing.enter image description here a router i reached to configure, while the other no. in my netgear router i reset all settings, ...
0
votes
0answers
16 views

Unable to Ping over wifi [duplicate]

We have 2 PCs and 4 laptops in the office, and we use D-Link 2750U to connect to internet. All the computers can connect to the internet successfully. One thing that I noticed recently, is that PCs (...
0
votes
1answer
49 views

what is the use of -U option in ping command?

I was learning ping command and their options. In ping -U option is used for full user to user latency. There is no difference for ping and ping -U option in output. $ ping google.com PING google....
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1answer
51 views

fast ping response, latency on traceroute

I have a very strange problem. In short pings to my wireless AP are low (around 1ms), however, once I do a traceroute, the latency to the AP (1st hop) suddenly jumps to ~1000ms. Any ideas what may be ...
0
votes
1answer
42 views

my website can get ping but status always “Waiting” when visiting via browser

When i tried to use CMD.exe and then typed : ping fgroupindonesia.com it returns a true respond such as : C:\Users\admin>ping fgroupindonesia.com Pinging fgroupindonesia.com [219.83.68.83] ...
0
votes
1answer
17 views

SafeNet Sentinel RMS server needs to be pinged before it works (routed across VLANs)

I have 2 separate CAD programs that use the Safenet Sentinel RMS Server (Aladdin) to check the license. After boot, they cannot find the license server. The license server is configured using its ip ...
0
votes
1answer
66 views

can not ping any hostname

I recently got a server from a company for new mail service configuration but now i have a amazing problem! "ping google.com" not working and returned "ping: unknown host google.com" , but ping 8.8.8....
2
votes
5answers
9k views

Max ping response time?

I'm wondering what a maximum (practical) ping response time might be. As far as I know, there isn't a max defined anywhere (TTL, but that's hops, not time). As I think about it, I'm not sure I've ...
0
votes
2answers
4k views

Cannot ping linux (RedHat) machine by hostname

For some reason, a linux (RedHat) machine that I have is not ping-able by hostname! It is ping-able by IP address though. I have the same network configurations as another linux (RedHat) machine ...
4
votes
2answers
2k 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
4k views

Cannot ping my domain-joined server - Can only ping domain controller - host unreachable

I have a HyperV Server hosting a Domain Controller VM (192.168.1.50) and another VM (192.168.1.51) joined to this domain. I have: domain controller as DNS server forward lookup zone for the domain ...
18
votes
11answers
88k views

Is there any way to ARP ping on Windows?

On Linux and other systems, there is an utility called arping which can be used to send ARP requests ("pings") and show the answers, much like the "ping" utility but using ARP instead of ICMP. Is ...
8
votes
3answers
10k views

Why can't I ssh or ping my brand new Amazon EC2 instance?

I just created a free EC2 instance with all the defaults. It says it's running in the AWS Management Console. On the "Instance Actions" menu, I click "Connect". I copy the DNS name provided (looks ...
2
votes
0answers
56 views

Ping problems with two interfaces, same subnet, direct connections to two separate hosts

I have a configuration of a client machine (Ubuntu 14.04.2 LTS) that directly connects to two server machines. The server machines--while on the same subnet--cannot route to each other. Packets must ...
0
votes
2answers
71 views

When rebooting a linux client, DNS doesnt work for some time

I have a linux client that when i restart it doesnt answer my ping requests on its DNS name, but it does on its IP. Say that i have a hostname of "Linux" with ip "192.168.1.100" .. My router is ...
1
vote
1answer
94 views

Cannot ping through one of the network interfaces

Setup ubuntu linux VM ( virtual-box) is configured with two interfaces, eth0 and eth1. eth0 is on a bridged network and directly connected to external network. eth1 is on "nat network", which is ...
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vote
0answers
45 views

perl smokeping false packet loss (solved)

I'm getting false packet loss from time to time. The period lasts about month, you can see it on graph. We checked it using the same fping command and got no loss at all. So maybe were are hosts limit ...
2
votes
2answers
78 views

Ping only works twice

I have created a vm inside a xen host. By following this guide, I have managed to ping www.google.com, but it only ping-pongs twice before getting Destination Host Unreachable. If I restart the vm, I ...
0
votes
0answers
9 views

Can't connect to the IBM bladcenter switch

I got IBM 8677 bladecenter with hs21 type 8853 & 7995 I connect the Ethernet SM I\O module , configed it in the IMM to same subnet as my host. I dont know why , but I cant telnet it or ping it . ...
4
votes
2answers
4k views

VirtualBox bridged adapter can ping but can't curl

There is a delicate server running Ubuntu Server 12.04.2. There are 4 useable IPs for this server: A, B, C, D. The server itself takes A. The server is now running two VirtualBox guests, both with "...
8
votes
9answers
16k views

OS X: Can't Resolve Windows Machine Names [closed]

I'm running a mixed environment at home and at work. My server machines are Win Vista, and I have a Unibody Macbook Pro running 10.5.7 On my mac, I can ping some home windows by name (If I use the ...
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0answers
42 views

Ping buffer size and time to respond on Windows HP Blade

I can see different time to respond when using large ping buffer size for one of our HP Blade servers. When using default buffer size, time to respond is the same on all servers. As a first step to ...
4
votes
7answers
4k views

Scan for connected, powered on computers on a network?

I want to scan for powered on computers on my LAN and gather logs about that. I tried nmap but it didn't work very well (a lot of switched on computers are not getting detected). nmap -sP 192.168.2....