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

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17
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6answers
24k views

Enable Ping in Windows Server Firewall?

I've just installed Windows Server 2008 on a server and I'm able to connect through Remote Desktop but can't ping. Do I need to open an special port on the firewall to be able to ping a server?
9
votes
4answers
1k views

Ping replacement that shows real time

Is there a ping replacement that will display the system's date/time in addition to the round trip time and sequence number? I would prefer a tool that runs on Linux, but if there is a cli tool I can ...
4
votes
2answers
4k views

openvpn: connection established, can't ping server tun interface (debian server, windows & os x clients)

My goal: I want to set up openVPN on a vServer from the company netcup, running Debian squeeze. I only want a VPN connection from client to server; clients should not be able to see each other, also ...
1
vote
1answer
135 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 ...
4
votes
2answers
4k views

How can I know when my computer is pinged?

I am trying to find a problem on a local network. I want to be able to know when a specific computer (Windows XP) is pinged. Thanks!
0
votes
2answers
244 views

Can't ping or remote desktop?

I've setup a win7 laptop and joined a company domain, now I'm unable to ping or remote into the machine. Could someone provide me with some troubleshooting tips please?
0
votes
0answers
254 views

cannot ping through gre tunnel

This question has been merged I have 4 machines machine 1 have ip address 172.13.0.40/24 machine 2 have two ip address 172.13.0.1/24 and 172.12.0.1/24 machine 3 have two ip address ...
0
votes
2answers
968 views

Monitor status of VPN clients

Is there any better solution than ping -t for monitor status of some VPN clients. I have set up FreeBSD router with fix public IP address for accepting incoming PPTP VPN connections. The callers are ...
69
votes
12answers
13k views

Is Ping a reliable way to check if a server is available?

In my application I am pinging a server and waiting for a response. I am using this to determine whether the server is available and responsive or not. Is this a reliable way of determining ...
37
votes
8answers
254k views

What does “TTL expired in transit” mean on a ping attempt?

We get the message “TTL expired in transit” when we try to ping to a server in a different network segment. When we run tracert, 4 ip addresses repeat themselves indefinitely: 14 60 ms 59 ms ...
6
votes
14answers
10k views

How can I determine if a machine is online without using ping?

I used to use an application that could ping or maybe run a port scan on a machine even if the machine was configured to not allow it. I am currently trying to ping a remote machine on our WAN, but I ...
5
votes
2answers
7k views

Pings from VPN network to VPN client work; pings into from VPN client to VPN network fail - why?

We are in the process of setting up an OpenVPN server for some servers running in a cloud. We are stumped with a connectivity problem whereby the hosts on the VPN server's LAN can ping te VPN client, ...
3
votes
2answers
13k views

Can't ping host from vmware guest using bridged networking

Host is Windows 7 Guest is Ubuntu 11.04 Network adapter is wireless I can ping other computers on the network but not the host. No firewall are involved. Sniffing the traffic with wireshark it ...
2
votes
3answers
784 views

Ping only works after about 30 seconds

Today I am working on this issue and I would love your ideas. There is a network with something like this LAN 1 -- WAN CHANNEL--- LAN 2 The LAN 1 have two segments. When I make a ping from LAN 1 ...
2
votes
4answers
6k views

Ethernet Loopback plug - running a ping

For a project at work, I need to be able to test various Ethernet NICs by connecting them to a "loopback adapter plug", like this one on various embedded Linux boxen that come off a production ...
1
vote
3answers
2k views

Light packet loss through router

I just recently got a fiber line installed into my office, and with the exception of an odd bit of trouble that we're having, things are working good, and the network response is really amazing. The ...
0
votes
3answers
935 views

Gateway status checking methods on linux/bsd

I'd like to know if there's any reliable tools I could use (integrate with my network config) to monitor the status of the gateway and switch the default gw when it detects that the main gateway is ...
5
votes
3answers
4k views

Find information for local IP address?

We have had a BT engineer visit recently, trying to solve a problem with our IP phone system. One point they made was that we had four DHCP servers running on the network. I have disabled two of them ...
5
votes
2answers
445 views

Why do I get search.com instead of “host not found”?

On my VPSs with LeaseWeb, whenever I reach an non-existent host, I get search.com domain name, and if I ping a non-existent domain from SSH, I don't get "host not found" but replies from IPs like ...
3
votes
3answers
405 views

Why is DownOrNot and JustPing reporting that my website is down?

I was pinging my site with DownOrNot and it is reporting that my website is down from ALL locations: http://www.downornot.com/qweop Then I pinged it with JustPing and it is reporting that my website ...
3
votes
2answers
5k 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 ...
3
votes
3answers
3k views

Change how Nagios determines if server is offline?

I'm new to nagios and my server is on a network which does not allow the server to be pinged. Is it possible for me to check if the server is up another way? e.g via SSH or HTTP? How would I do this ...
2
votes
1answer
92 views

Maximum MTU size

Thought one of the issues I'm experiencing with the following question is due to MTU rightfully so. ESXi 5 VM Putty session hangs, vSphere client timing out However, when I tried testing the ...
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 ...
2
votes
6answers
5k views

Intermittent high ping/latency problem

I have been working with my ISP (which is a WISP, actually Fixed Broadband Wireless) trying to figure out why I intermittently get high latency. The latency is detectable in online games and other ...
2
votes
2answers
141 views

Can you control the host information returned by ping?

I see that pinging my domain returns "n bytes from xyz.members.linode.com", which gives away too much for my taste. On the other hand, I've pinged plenty of domains that just return ...
1
vote
0answers
757 views

The difference between ping and pathping command? [duplicate]

Possible Duplicate: The difference between ping and pathping command? Hi guys, today i wanna ask you a question about internet network command. pathping = tracert+ping, so what is the ...
1
vote
2answers
2k views

Server won't respond to ping

I have a server that won't respond to pings, but I can remote desktop to it. The server has two LAN connections. Each has the same subnet mask and default gateway, but separate IP addresses. I'm ...
0
votes
1answer
275 views

Cisco ASA failover can't ping gateway

I'm currently trying to set up a failover network for my Cisco ASA 55x0 using the SLA traking. I have the "outside" interface (network 89.x.x.48/29) and the "outside2" interface (network ...
0
votes
1answer
455 views

Why Doesn't Ping Show RTT?

I'm on OS X 10.7 and just found out, the ping -s 10 host does not work as expected. Its output does not contain the round trip time: PING host (IP): 10 data bytes 18 bytes from IP: icmp_seq=0 ...
0
votes
2answers
606 views

why does tracert only report one hop on failure

I've been having an issue with one host on my network not being able to ping or tracert machines on the internet while all other hosts can. When I run a tracert from the machine I get the following ...
-3
votes
3answers
167 views

Why 160ms to ping <5miles [closed]

My server is sunnyvale, CA. 2 (64.71.128.221) goes to Cupertino which is close but away from mountain view. The destination is mountain view. It takes 160ms to ping there. I can ping the other side of ...