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

learn more… | top users | synonyms

0
votes
0answers
39 views

CheckPoint UTM-1 Edge does not relay ping reply out of vpn

I have Palo Alto firewall and Checkpoint UTM-1 Edge with established vpn. On Checkpoint UTM-1 device Firewall is off, AntiVirus is off, Security level (low), vpn excluded from firewall. Vpn is ...
-3
votes
1answer
233 views

What Does “ping -f” Do In The OS X Terminal? [closed]

I've recently read about the command in the OS X terminal, "ping -f (Target IP)". I haven't been able to form an understanding on the command even after looking through numerous online articles. I ...
1
vote
1answer
67 views

I can access http, https on server, but can't ping the server behind sonicwall tz500

I am not sure if this is possible or not. I have set up some web servers and ftp servers that are statically NATted behind a sonicwall tz500. I can access all via ftp, http, https. I have included ...
2
votes
0answers
74 views

802.1q VLAN echo replies do not include VLAN ID

I am running a SLES11, SP4 kernel on 2 systems. I have 2 NICs connected through a Netgear GS724T switch. I have configured VLAN 400 on the switch. On system 1, I create a VLAN 400 on eth0 called ...
0
votes
2answers
167 views

Servers can only ping to domain controllers and not to each other

I have made my own test environment and I am having problems with pinging other servers from one server. All servers can ping to domain controllers and they get responded back. When I ping from a ...
1
vote
2answers
151 views

allowing ping packets from specific ip in windows firewall

How do i allow ping packets from a specific ip from my internal network in windows firewall. Whenever, i tried to set custom inbound rules in windows. There does not seem to have a way to achieve ...
2
votes
1answer
105 views

Interpreting PING Results

I am on Windows and LAN using the command line PING in this format: ping -a -n 5 -S <source ip> <destination ip> For the most part, it does what it is supposed to do but I have noticed 3 ...
1
vote
4answers
709 views

Why am I getting different results from two servers that located in the same destination network?

There's two servers with the same network IP, and the only difference between them is the last two numbers like: 37.211.15.247 and 37.211.166.178. The Hosting Provider claims that the subnet mask for ...
0
votes
0answers
20 views

Why do i get different results from two servers that located in the same destination network? [duplicate]

There's two servers with the same network IP, and the only difference between them is the last two numbers like: xx.xx.15.247 and xx.xx.66.178 When i try the command Tracert (Traceroute) to test the ...
0
votes
1answer
97 views

Should I expect reception of packets in hping3 --flood?

I'm testing a newly purchased VPS for DDoS vulnerability using hping3. If I do not use --flood, everything goes fine and I see close to 0% packet loss every time. But If I do use --flood, then the ...
0
votes
1answer
16 views

Write online/offline state to log file

I'm looking for a way to log the online/offline state of a Linux host to a log file locally. I tried to use ping for this but it didn't log timeouts/dropped packages it only shows successful ...
0
votes
2answers
71 views

2 Lans, 1 router, need to ping eachother ip [closed]

I have 2 LANs: LAN 1 192.168.2.1/24 LAN 2 192.168.3.1/24 I have a device on tLAN 2 with IP-address 192.168.3.61. My laptop is on LAN 1 with 192.168.2.100. My final goal is to ping the device like ...
2
votes
1answer
68 views

Accessing a server with wrong IP out of segment range

I have run into a similar problem as in this question about a wrong IP in LAN. However, the standard addr alias trick on the NIC did not help. I have no direct access to the server console, I might ...
0
votes
0answers
15 views

Bypass hops viewed in tracert?

This is the issue that we're having: I use filezilla to connect via SFTP to a remote server to download files. Every box in this scenario (local server, remote server, my workstation, etc) are under ...
-1
votes
1answer
62 views

Unable to maintain connection on servers. Ping inconsistent

We have two new Windows 2012 server installs. These are fresh installs that don't have much on them. However, they are having connection issues with the SQL server. From the SQL server I have some ...
0
votes
3answers
169 views

Put ping parameters as default ping command

I have some problems with ping. As root user i can't ping if i don't put from which interface to go. So if i "ping google.com" it wont ping. But if i ping like " ping -I eth0 " will ping. (Ok is not ...
-3
votes
3answers
72 views

Server monitoring reports ping failed

i run a dedicated server and my hosting provider sent me an email reporting this and in 20 mins the service is recovering. i am running centos with softlayer Service Issue: SERVICE PING failed for ...
0
votes
1answer
93 views

Ping times change over time only to a certain server

The problem happens only to a certain server from a nearby country. When i test the ping to that server, i get 30-40 ms today, then tomorrow i'll get 240-250 ms. Sometimes, an hour later it'll be 50-...
0
votes
1answer
103 views

OpenVPN with fragment does not allow internet traffic on Android

Good day all My server config uses a fragment setting of 1000 which I found most optimal for Windows/Linux users pass through, however after adding the same script with supporting certs to Android ...
1
vote
1answer
48 views

How to confirm Nginx `deny` is working?

I setup Nginx to deny a specific IP address and would like to confirm that it is working. How can I do this? In principle, I'd like to do something like: ping -from <blocked ip address> <my ...
-1
votes
1answer
60 views

Ping can not find any subdomain at all

Following shows the information of my virtual environment. computer name = spFull computer name = sp.spd.localdomain = spd.localInside DNS there is a Forward lookup zone, its name is spd.local and ...
-3
votes
1answer
214 views

Why a traceroute to a dynamic ip is different from static ip addresses? [closed]

Sorry I can't show you an output of a traceroute atm. Anyways, i find it strange when i try pinging a dynamic ip from the same ISP and get a good route and ping times. Where if i pinged their static ...
1
vote
2answers
123 views

Ping don't resolve www.domain.gob.sv but it does resolve domain.gob.sv on server

I've been with this WEIRD problem on my server. I've been setup a DNS server (BIND) for two domains, but somehow in one of them do not resolve with www. I tried with CNAME an A record with no luck. (...
0
votes
0answers
24 views

Some of my clients report a route change when they reboot\refresh their IP?

I made a gaming server recently that hosted by my ISP. Some clients report a change or improvement in ping/latency times from 50ms to 20ms by rebooting their modem/router to get a new IP address, and ...
2
votes
1answer
83 views

OpenVPN Access Server: Remote Subnet Cannot Access Client's Resources

I have OpenVPN Access Server running on AWS. Here's the configuration: 172.18.16.0/20 Client (172.18.16.101) ----- OpenVPN Server (172.16.0.0/20) | ...
-2
votes
1answer
31 views

Inconsistent ping to my ISP backbone [closed]

this is a traceroute from My ISP to the same ISP backbone located in another city from my country here (500miles aprox) : http://i.stack.imgur.com/BbQjm.png Does this idicate a traceroute problem? ...
1
vote
2answers
2k views

Cannot ping centos7 host [closed]

I am doing this for the first time, so I may be missing something very basic. I installed Centos 7 on a new server and have successfully gotten the connectivity working. Now I want to be able to ssh ...
-7
votes
2answers
1k views

Ping PC in Different Subnet / Network [closed]

I am new to practical aspects of networking. So what I was trying is to ping two PC which are connected to two (wireless) routers which are taking internet through LAN. So Router 1 IP : 10.100.98.25 ...
1
vote
1answer
42 views

Possible route, but denied?

If ISP (A) can be routed to ISP (B), and ISP (B) can be routed to ISP (C) and vice versa, then why ISP (A) and ISP (C) can't be routed through ISP (B) to each other? The packets are routed like this ...
-1
votes
1answer
51 views

What Factors that affect ping to a dynamic IP? [closed]

If i'm going to test the ping between me and my friend, will interleaved mode that applied by cabinet would affect his connection and expect an increase in the latency/ping to his machine regardless ...
0
votes
1answer
88 views

Fluctuating ping to a certain ISP backbone

There's a central server that located 300 miles away from my country. but when i test the ping to that server or their ISP backbone, i get inconsistent or a fluctuated pings from there. i live in ...
1
vote
0answers
60 views

packet loss rate and netem

I am emulating a network with netem. I wrote a script that changes the network delay according to a linear function from 1 to 50ms every 15 seconds (with a normal variance = 5%). The packet loss is 1%....
0
votes
3answers
442 views

how do I stop protocol 41 unreachable packets from being sent?

I'm using a Hurricane Electric tunnel on one of my VPSs, and it isn't working completely. I set up the tunnel with a script basically identical to this one: http://www.cybermilitia.net/2013/07/22/ipv6-...
0
votes
0answers
132 views

Ping is happening but arp is not resolved

I am seeing one interesting problem. I have setup two devices connected through lan cable over eth3 interface. Now a vlan session has been created on both the interfaces. Device 2: root@10:~ >...
0
votes
1answer
4k views

MIKROTIK - Two LANs connected with switch

I have a very simple network. I have two LAN networks (192.168.2.0/24 and 192.168.3.0/24) connected via a router at each site and the routers are connected via a switch. http://postimg.org/image/...
0
votes
0answers
90 views

PING fails for Windows Server 2012 FQN from a client machine

I have a simple network consists of 2 desktop machines configured with the following ethernet settings; Preferred DNS Server is the IpAddress of Windows Server 2012 R2 machine; My desktop ...
1
vote
2answers
313 views

Arp request for a non-existing host in a local network

I'm wondering why I get the following result : if I try to access a non-existing host on my local network, for instance using the command ping, I see with the tcpdump arp command that there is every ...
1
vote
1answer
61 views

PC's cant resolve the servers name

we've recently upgraded our server and we've been having an issue where the computers can't find the server without me mapping it's IP in the hosts file. They can find it when I fully qualify it with ...
-1
votes
2answers
462 views

Can ping server one from client 1, but can't ping client 1 from server

I set up a router on my linux machine as described here. Now I can ping the server/router from my windows client. I can also ping my linux client from my windows client. But I can not ping the windows ...
0
votes
1answer
81 views

Unable to ping second Elastic IP address. Is a separate Security Group required?

I have claimed an additional Elastic IP address and associated with an running instance. It is also tied up with a secondary Private IP Address. I am unable to ping the new Elastic IP address. ...
0
votes
1answer
744 views

How to route traffic between 2 VLANs on different subnet

I have the following problem: I have one interface eth0 with IP 172.20.51.61/24 I have configured 2 VLANS on the same machine: eth0.120 : 172.20.52.61/24 eth0.200 : 172.20.54.61/24 I also have a ...
1
vote
3answers
235 views

how to find proces which is pinging localhost

How can you find the process issuing ping to localhost? While it is not script, where the ping command can be simply grep from process table. I have used wireshark, but it is of no help to find out ...
0
votes
0answers
74 views

ping -a 'myfileserversIP' resolves name of 'mydomaincontroller' which are two different server

Have a strange problem with DNS or Netbios or something: In my Domainenvironment i'm on a domain-joined Windows 7 Client. Trying to do a reverse lookup of the ip of my dedicated fileserver (NetApp ...
1
vote
2answers
266 views

Why woud ping fail but not traceroute

For a few days now I started making the interesting observation of a machine intermittently not responding to an ICMP ping, while it still responds to an ICMP based traceroute (specifically set via ...
0
votes
0answers
80 views

ping timeouts with light http traffic on T1 connection

I have a T1 over copper connection and started to notice that if I run ping while loading an http page (http://google.com) I get intermittent timeouts in ping. Is this normal? I expected some ...
-2
votes
2answers
138 views

Cannot ping / ssh server after installing VirtualBox on CentOs 6.6 [closed]

Our server was running fine this morning. I installed VirtualBox and rebooted the server. Since rebooting the server I do not recieve a response when pinging the IP address and I cannot connect ...
0
votes
1answer
407 views

Linux: nslookup and dig resolve $HOSTNAME, but ping doesn't

In our private network we have a Consul service discovery server (10.241.232.14) that provides a DNS interface (port 8600). We would like to set our common DNS servers to forward some queries to the ...
0
votes
0answers
72 views

410 error when using website validator

I am trying to ping my website http://www.saranshsingh.com/ and it fails PING http://www.saranshsingh.com/ (198.105.254.228): 56 data bytes Request timeout for icmp_seq 0 Request timeout for icmp_seq ...
-1
votes
1answer
264 views

Can't access (ping, tracert..) from cmd but works from putty

I am not able to ping or tracert to a remote machine from windows command line, but I am able to ping/tracert and access same machine when using putty on same windows machine. What can I do to access ...