A tool commonly used to test the reachability of a given host, either on the internet or in a local network.

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I can ping internal to outside but not from outside to internal (Static IP)?

I have a static IP provided by the administrator of my Linux CentOS 6.5. The problem is that while I can ping this machine, connect to it and use it to access the internet from within my network, I ...
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2answers
223 views

Pinging between Mesh Network Nodes OpenWrt

I have two mesh nodes that I have configured to be on a mesh created using OpenWrt. I used the tutorial here to set that up. When I ran iw dev $MESH_IFACE station dump, I got the output that I ...
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2answers
559 views

Can't browse Internet in Redhat 7

I installed RHEL 7 using server with GUI with no added option on my local virtualbox, but I cannot get Firefox connected to the Internet. I checked /etc/resolv.conf contains nameserver setting I ...
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2answers
269 views

Unable to ping the IP during first boot

I am trying to add some routes in /etc/init.d/S98 script but it is failing to ping the gateway IP and hence route addition is failing. But once all the S98 scripts are executed I am able to ping the ...
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1answer
74 views

How can I know which IP address of a host is reachable from another?

I don't particularly need a "solution" to something, I'd just like to understand more of the landscape here. So on my CentOS box, I installed a CentOS VM specifically for learning Puppet. When the ...
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1answer
57 views

Forward ICMP Ping Packets to Interface

I've got a script that listens for ICMP ping packets (containing data payload) and while this works if you run it from command line, it doesn't work in a Docker container because ICMP ping packets are ...
3
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1answer
283 views

Why doesn't Ubuntu use capabilities on ping?

After running, $ ls -l /bin/ping -rwsr-xr-x 1 root root 34740 Nov 5 2012 /bin/ping I wonder, why doesn't Ubuntu use capabilities (i.e. raw sockets) rather than setuid?
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1answer
10 views

why ping lost when interface add to ovs bridge

I have two linux, there are server1 and client1. server1 has several interfaces and two of them added to ovs bridge - ovsbr0 ( eth2, eth3). client1 has inteface in the same L2 as server1. i have IP ...
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1answer
1k views

centos: ping6 unknown host

I have centos 6.5 with ipv6 enabled and working (partially). When I'm trying to execute "ping6 bin6.it" it returns error "unknown host": [root@centos ~]# ping6 bin6.it unknown host Host is ...
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1answer
1k views

cannot ping my computer on local network

I am running on 64 bit OpenSuSe 13.2 with Gnome 3 desktop environment and unsuccessfully trying to set up Samba Server. I have another computer running windows 8.1 from which I am pinging the ip ...
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1answer
38 views

High time until SSH asks for password

I've been noting recently that any host that I ssh to in LAN, waits like 5 seconds before asking for password. ping sometimes also waits, but less(like 2 seconds), but it shows it has resolved the ...
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1answer
138 views

CentOS 6.7: network is unreachable after a new clean installation

I have a new clean installation of CentOS 6.7, it is not on a VM, but on a dedicated notebook. During the installation procedure I've configured my WiFi connection and have added it on eth0 pre-...
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1answer
168 views

Can't setup ssh connection with bridge

I would like to set up an ssh connection to a device, which is bridge. It's a device to put between router and PC and the traffic just goes through. I don't have a ip-adress assigned to the bridge, so ...
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1answer
34 views

dig domain replay SOA

I have a domain and when I use dig jeeja.biz it just gives me my server ip address. ;; ANSWER SECTION: jeeja.biz. 13914 IN A 209.15.212.171 But when I use the same command on another ...
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1answer
112 views

No buffer space available when using Dummynet in FreeBSD 9.3

I have a peculiar problem - as soon as Dummynet Kernel module is loaded and appropriate ipfw add pipe 1 from localhost to localhost command is issued, I no longer can ping localhost - I receive the ...
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1answer
265 views

Ping to LAN address takes an incredibly long time?

I'm running CentOS 7 in a lab environment with one domain controller (DC - Windows 2012R2) which serves as a DNS and DHCP server as well. CentOS is joined to the domain; it can ping the DC and a ...
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0answers
303 views

Able to ping my host but getting no route to host

I have a elasticsearch service running on MY_HOST_IP(10.x.x.xx) and port 9200. I am able to ping 10.x.x.xx from my VM, but when I try to connect elasticsearch it gives me : no route to host ...
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0answers
81 views

How to debug what is stopping ping to respond on our server?

We used to have a sysadmin person months ago who had disabled ping response on one of our servers. But now we want to re-enable ping response. I tried to check if the ping was disabled from config. ...
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0answers
6k views

Ping command results in packet loss

Whenever I ping on my personal computer, nothing gets displayed other than a single statement. Upon stopping execution, I see that several packets were transmitted in the statistics. On top of all ...
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0answers
470 views

Network via ieee1394 is unreachable (PC and laptop)

I decided to connect my PC to the laptop via firewire. All interfaces are up, but no packets can be send/recieved. I'm using Linux Slackware64-current (kernel 2.6.37.4) Laptop (Dell Vostro 3700) has ...
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0answers
20 views

Changing CentOS 7 machines disables terminal access during background task

Based on this other posting, I typed the following command into a CentOS 7 terminal on a devbox that has the gnome GUI, and was able to continue to use the terminal for other commands while the ...
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0answers
24 views

VPN SoftEther - I can't access VPN server directly from VPN connected device

I have installed and run VPN server (SoftEther) on my Raspberry Pi 3 (Raspbian) and it works fine except the fact that my PI works not only as VPN server but offers other services (SAMBA, FTP, APACHE, ...
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0answers
74 views

Why does flood ping to localhost result in lower RTT's?

I used ping to do an estimate of lower bound for HTTP request times as part of a feasibility study. In order to make the test faster I lowered the interval of the ping (to get enough pings to get a ...
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0answers
67 views

How to disable IPv6 ping response in Linux without firewall

How can I disable IPv6 ping responses in Linux without using the IPv6 firewall? This question covers how to do this using the IPv6 firewall via iptables, but I'm using an embedded system that doesn't ...
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0answers
977 views

Hostname resolves to wrong IP address

When I ping the hostname of my phone from a RaspberryPi (with Raspbian installed), it resolves to the wrong IP address: pi@raspberrypi ~ $ ping isimon.fritz.box PING isimon.fritz.box (192.168.178.153)...
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0answers
51 views

Prioritize virtual machine bandwidth

I installed a Windows Server 2012 virtual machine (VM Ware Workstation) on my Debian server that I rented (to which I have SSH access only, and which is in another city with over 1 GB bandwidth) to ...
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0answers
152 views

Which Privileges Should Assign For Create Raw Sockets

I want to run an ICMP command to ping an IP Adress at Java: InetAddress.getByAddress("XXX.XXX.XXX.XXX".getBytes()).isReachable(1000); However there is a security restriction that: Normal users are ...
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0answers
319 views

openconnect - I can ping a website but can't wget or access by browser

I need to access the VPN of my university. On their website they provide the following solution: install openconnect install vpnc login to vpn via: # openconnect --script /etc/vpnc/vpnc-script vpn....
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0answers
162 views

High ping/latency on Xen box

I am having problems with my Xen box. Once in a while it has too high ping/latency and it is very annoying. It does not matter if I am pinging server from outer network (LAN0) or inner network (LAN1)...
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0answers
188 views

Send update ping to ping services in Terminal?

I want to send ping from http://www.mysite.com/rss.xml to http://rpc.pingomatic.com Is there any way using terminal to achieve this?
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0answers
21 views

MRTG not filling bar for PING result

I have MRTG configured to graphs variou devices. I have added ping graph to monitor one of my device. My Task is to create ping graph of target decoy device which is connected with direct ...
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72 views

Script hangs when doing lpstat -v

if ping -q -c 1 ${tally[$queue]} >/dev/null then echo lpstat -v${tally[$queue]} else echo echo ${tally[$queue]} ...
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0answers
79 views

linux to linux IP MASQUERADING failed (can't ping ip server)

I'm new in linux, i'm trying to IP MASQ. So the diagram is like linux A is connected to HUB and Internet, and linux B is connected only to HUB. In linux A i have eth1 (10.10.10.5) and eth0 (192.168.1....
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0answers
73 views

Ping wireless interface from wired interface

I'm performing some wireless measurements. The setup I'm now using is composed of a WiFi AP and two laptops. One laptop (A) and the AP are connected to a common switch, while the second laptop (B) ...
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0answers
438 views

unable to ping gateway and CLAN in Linux but pingable in Windows PC

We're installing RHEL 5.5 for our Voice Portal (Avaya). After configuring the IP address, gateway IP, and netmask we tried to ping it so we could see if it was pingable/active or not. Sadly its wasn't....
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0answers
554 views

Host reachable via SSH from my desktop but not my laptop

I try to use ssh to log in to a remote host. This works for my Ubuntu desktop, however, it fails from my Fedora 14 laptop. The failure means after I type ssh username@host and pressed Enter, ...