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

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1answer
189 views

Ping resolve a IP but reply from a different IP

I'm try to ping a host name and it resolve to a IP(1.82.184.10). But it does ping a strange IP(1.0.229.138) What the problem here?
4
votes
1answer
195 views

negative time for a ping echo reply

I was happily pinging in the net when suddenly: Pinging X with 32 bytes of data: Reply from .235: bytes=32 time=1444ms TTL=41 Reply from .235: bytes=32 time=1767ms TTL=41 Reply from .235: bytes=32 ...
1
vote
1answer
298 views

can't connect 2 subnets through RRAS 2008 r2

I'm working on a project for a networking class. In VMWare Workstation, I have to set up a 2008 r2 server with DHCP reservations for 2 clients on separate subnets and have them ping each other. Here ...
1
vote
1answer
177 views

Smokeping FTPtransfer probe

I'm trying to set up a SmokePing FTPtransfer graph but with no luck. I have the ping graphs all figured out but the FTP graph is just empty. Here is my Probes config: *** Probes *** + FPing binary ...
1
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0answers
771 views

Arp request is not resolved

On my machine, I have assigned ip addresses for two interfaces which are connected through a cable. They are connected with 10G ports. When i tried to ping the two addresses, ping was not working. ...
1
vote
1answer
543 views

Icinga change ping check interval from service and http

I have Icinga installed on a machine with the basic configuration and we just use the Host Status Detail screen with a big monitor only to know when a machine is down due to network/eletrical ...
2
votes
2answers
893 views

RDP add domain users broken

I have 3 Windows Server 2008 R2 instances, all of which are virtual machines hosted on a single VMware ESX server: Domain controller with DNS services DHCP/RRAS File server All three servers are ...
-1
votes
1answer
904 views

destination host unreachable virtualbox [closed]

Basically i am trying to implement this on this picture I have my static ips assigned more or less like this and i can ping from my internal network to my 2 ports in my router without any problems. ...
0
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0answers
35 views

Loading wordpress admin page prevents and blocks further requests

I've installed a Wordpress site on a host (actually I moved it from localhost). The site loads and works perfectly, however if I log in with Admin, the admin page doesn't completely load and all ...
-1
votes
1answer
1k views

Same network same switch but computers can't talk “ping”to eachother [duplicate]

Possible Duplicate: How does IPv4 Subnetting Work? Each computer(all 2 of them) can ping the router but can't ping each-other and firewall is off. Same default gateway, IP address very ...
1
vote
1answer
295 views

TCP 30 small packets per second flood connection with server

I'm testing connection with flash client and cloud server(boost::asio for software) over TCP connection. My connection with server already is really poor - 120 ms ping in average. I found when i start ...
1
vote
1answer
1k views

VMWare-ESXi server dropping packets, shaky connection

I have a few virtual servers running on a VMWare-ESXi server. One of those is a mailserver running Windows server 2003, Has been running quite well for a while now. About 4 days ago, the mailserver ...
6
votes
2answers
3k views

Data obtained from ping: is it round trip or one way?

I have 2 servers, each in two separate locations. I need to host an application on one, and the database server on the other. From the app server, if I ping the database server, on average I get ...
0
votes
1answer
468 views

Variable TTL inside a LAN

I recently discovered that ping my local router, returns different TTL values​​. The ping 3 switch must pass through before reaching the router, there may be the problem? 192.168.1.99 is the IP of my ...
1
vote
0answers
291 views

Clear OS Community and packet time out in client machines only

I am having Clear OS Community Edition running as router with 2 network interfaces. Interface eth0 is connected to LAN with ip 192.168.122.2 and interface eth0 with ip 192.168.2.2 is having internet ...
3
votes
1answer
656 views

Wget works, Ping doesn't

There are some anomalies on a Virtuozzo virtualized Debian 4 (I know, I'm gonna upgrade this one asap, but there dependences). We run some Websites on this one. And a view Days ago exmi4 wasnt able to ...
1
vote
1answer
311 views

Why are two IPs responding to my ping?

I'm having a weird issue. On one of a mac, I noticed it was having some weird issues communicating with the server. I pinged the server, 2.0.5.90, from the terminal on the mac, and here are the ...
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votes
2answers
512 views

OSX cannot ping my server IP, however unix & windows can [closed]

We are having an issue with our Debian Server, we host several services on it each using several ports (all are open in iptables), all users can connect to these fine, except osx users. We have got ...
1
vote
2answers
91 views

Relating ping to perceived browser GUI response

We periodically get complaints of poor GUI (browser page) response that we need to explore. I am looking for a quick and cheap first check to see if the issue is network latency, or server ...
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5answers
1k views

Unable to ping Redhat 5.6 instance on vmware esx 5.1

I am running vmware esx 5.1 and I've created an instance of red hat 5.6 Desktop with a static ip address. When I restart the red hat guest I am able to ping it from another system but then as soon as ...
5
votes
2answers
897 views

Why would ping give me fast rtt values, but take a long time for each response to come back?

I've got a bit of a basic networking question here regarding ping. When pinging a particular host on a completely different subnet, I get a response like this: PING myhost.example.com (1.2.3.4) ...
1
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2answers
4k views

Intel 82579LM Gbit Ethernet Controller - magic packet (WOL) right after ping is not working

I am experiencing a very annoying and mysterious behavior when sending magic packets (for Wake On LAN) shortly after pinging an Intel 82579LM GigaBit Ethernet Controller (the onboard ethernet ...
0
votes
1answer
2k views

Hyper-V VM guest can't ping any machine

So I got Host: Hyper-v enabled machine with four NICs, only one enabled. Network type: External IP configuration are correct for both host and guest (getting it from the DHCP of the company network) ...
0
votes
1answer
70 views

How can I be notified when a server comes back up?

So far I've determined that I can use the ping command to send a ping to said server every 15 minutes or so in a command prompt window in Linux like so: ping -i 900 <server-address> The 900 ...
1
vote
1answer
2k views

DNS/Nameserver issue. Can't ping IP or domain

I get this when I ping an IP: 21:31:50.136623 IP SITE_IP > 173.194.33.4: ICMP echo request, id 14941, seq 1, length 64 21:31:51.136138 IP SITE_IP > 173.194.33.4: ICMP echo request, id 14941, ...
0
votes
0answers
1k views

Can I ping via an arbitrary interface of a DD-WRT system?

There's a Linksys WRT54GL router with DD-WRT firmware (v23SP2). The network has a simple dual-WAN configuration (standby mode, switching by a script): ~ # ip route 192.168.3.0/24 dev br0 proto ...
0
votes
1answer
530 views

Ping6 fail on linux

I have 2 linux box configured with IPv4. I have tried adding IPv6 to them. I have issued this commands on box1: ip -6 addr add fd32:2d7f:f3c1::1/48 dev eth0 And I get this: inet6 addr: ...
5
votes
3answers
1k views

Why is ping to Google servers and Google DNS so low?

I noticed that ping to Google DNS and to google.com from Serbia is about 15ms, but google servers are located in California! http://www.geoiptool.com/en/?IP=173.194.39.110 My dedicated server is ...
1
vote
3answers
1k 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 ...
1
vote
1answer
614 views

Is this normal that api-verify.recaptcha.net points to google.com?

A user just emailed me saying he could not complete registration in my website. I just checked and already found out it's the recaptcha that is causing the problem. I have been using this recaptcha ...
0
votes
2answers
3k views

arp -n responds with (incomplete) on the wrong subnet, can't remove it

context There are 2 servers: server1 - eth0 10.129.76.16 eth0.2 192.168.0.103 server2 - eth0 10.129.79.1 eth0.2 192.168.62.101 The 192.x.x.x addresses are connected to the ...
2
votes
1answer
615 views

With HTTPS-Enforcer chrome extension, a normal ping is answered by different site

I have installed the HTTP-Enforcer chrome extension. Now if I open a terminal and type ping google.com I see: $ ping google.com PING google.com.home (67.215.65.132) 56(84) bytes of data. 64 bytes ...
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votes
1answer
419 views

Cannot ping some PC on VPN

I've set up VPN network between office and shop. Everything seems to be ok except for the fact that I can ping simple devices only. For example, we have scales with TCP/IP interface. So, from the ...
0
votes
0answers
529 views

Two servers on the same network can't ping eachother

According to this guide I setup two servers. Now these two servers can't ping each other, this is arp -n result: # arp -n Address HWtype HWaddress Flags Mask ...
1
vote
1answer
1k views

Can't ping website but can browse it

I have server with CentOS 6.2 installed. The problem is that i can browse the website on it, but i can't ping it. What can cause this?
0
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2answers
3k views

Ping on centOS resolving instead of returning “unknown host”

On my local machine (Ubuntu) if I were to ping a hostname that is non-existent, the ping command returns $ ping somefakedomain.com.au ping: unknown host somefakedomain.com.au However the same ...
0
votes
3answers
6k views

Time to live exceeded, result after pinging the gateway from host in one subnet

I got a server with XenServer 6.0.2 and this server has 3 nic with 3 different ip addresses, because I am using 3 different subnet The first 2 card are working and from the first 2 subnet I have ...
1
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0answers
1k views

Ping starts, then immediately fails, to just one device on a network of 70+ and only from one part of the network! Super confusing

long-time reader first-time poster. I managed a network of 70 odd PCs connected to 3x different network switches (3 buildings all next door to each other). Looks like this: BUILDING 1 SWITCH -> ...
0
votes
1answer
279 views

Mac Mini Server network connection issue

We have a Mac Mini connected to our network and are using it as our mail server which works fine. The issue is that we have a photocopier/scanner connected to the network and we can't send scan a ...
0
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0answers
88 views

Unable to ping one machine on the network

I have one machine on the network that can't be pinged (by name or IP) or accessed with WMI by other machines on the network. So far I have tried: Disabled firewall and AV Put onto a workgroup then ...
0
votes
2answers
310 views

How to configure the name returned from ping?

Currently my Debian-based machine returns whatever name was used to ping it, as it's name when answering to ping: - saturn:~$ ifconfig | grep "inet addr" inet addr:192.168.0.103 ...
0
votes
1answer
144 views

What is causing ping sweep?

I am spotting ping sweeps on our firewall log originating from our Windows 2003 SP2 x64 server. The traffic shows sequential pings sent to private ranges only. Eg: 192.168.1.1 192.168.1.2 192.168.1.3 ...
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votes
2answers
810 views

Ping mystery (Comcast) [closed]

Update 2: Obviously, Comcast support's solution is to ask me to reboot the modem. They say they cannot answer more directly, because -- I kid you not -- tech support does not have access to the ...
3
votes
2answers
2k views

IP address used by nslookup and ping is different

I have a web server hosted in the network. It has a domain name registered. However, I also host a DNS server for the LAN. So, when someone wants to access the web server, it would check the DNS ...
0
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0answers
763 views

Ping returns 100% from VM guest, returns sporadically on host

I have an interesting situation on my network right now. I have a 10.1.1.x space that I have a few dozen static IPs on (servers, etc.) and a 10.1.4.x space where we have other machines (DHCP-fed user ...
6
votes
1answer
352 views

ping with line numbers

Simple question: how to make ping on Linux to show line numbers in output? I mean: 1 64 bytes from www.site.com (2.7.1.1): icmp_req=1 ttl=247 time=17.9 ms 2 64 bytes from www.site.com (2.7.1.1): ...
2
votes
1answer
248 views

Odd ping results : another device answers the ping

On my LAN network 192.168.0.x. My computer is linked to a small Netgear router 192.168.0.19. On some ping requests, I get an answer from the router, not from the actual server. On several requests ...
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votes
2answers
73 views

giving no response of pinging from one but give response from other machine [closed]

Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.141.148.253 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 14.1.0.0 ...
2
votes
1answer
2k 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 ...
3
votes
1answer
267 views

How does the ping command differentiate between its ICMP responses and anothers?

If I have two shells open each pinging the same host, how do the two shells differentiate between the ICMP responses coming back for each shell?