icmp Post: 4038

10 More Discussions You Might Find Interesting

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Linux and ICMP timestamp requests.

Hi There, I am looking to disable ICMP timestamp requests and ICMP timestamp replies on my Linux server version 8. Can someone please tell me the simplest way to do this? I know a command to disable all ICMP traffic but this I have been told will cause many network problems which I...

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ICMP Echo-Request

Hello! I'm in extra urgent need to have a program that sends a series of ICMP echo requests over the network to a specified host and waits until the last echo reply is received. I know little about socket-programming (in particular I've never dealt with icmp sockets) that's why i'm desperate!! :)...

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Extracting ICMP Output for Plotting

Dear, I want to perform a plotting using xgraph, and the plotting data (ping.txt) is as below. For the graph I just want to plot the time for x-axis (line count) and the RTT for y-axis (time in ms). Below are script i write for that purpose but it seen did not work. Any guide for me because i...

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Hi All, How to disable ICMP time stamp request and time stamp reply of a machine? How to test this feature from remote machine? Please reply back Vasanth

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Jumpstart fails with ICMP Destination unreachable

Hi I am trying to perform a jumpstart with values below client sf440-003 - ip x.x.133.2 jumpstartserver zeus - ip x.x.133.19 The jumpstart tftp works as it should, I boot the machine with boot net - install etc. But when it should do a PORTMAP it fails with ICMP error. Any ideas...

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ICMP Net Unreachable from gateway

Hi all, I cannot reach my SERVER from my NetBackup server connect through SERVER_prv ("cannot connect to client") My SERVER was Sun OS 5.8, below is the message i get when i ping my SERVER: # ping 192.168.X.X or # ping SERVER_prv ICMP Net Unreachable from gateway 172.16.102.XXX for...

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Log file for icmp requests

I'm not a unix expert so I need to ask what maybe a simple question to some. Is there a log file which records any icmp packets hitting the server? I ask, because I need to verify what the ip is from a server pinging mine.

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ICMP for limited time

Hi, I am using following command: tcpdump -i eth1 icmp =8 >output.txt i want this command to get execute for a minute only. How can we do this? Thanks. Please use code tags next time for your code and data. Thanks

9. IP Networking

Routing ICMP echo requests

I have an application where I need to configure a router to pass through ping requests (ICMP type http://www.dd-wrt.com/phpBB2/images/smiles/icon_cool.gif through to the LAN port. I have a Linksys WRT54GS with tiny DD-WRT V24 SP2 installed. I am adding the following iptables rules: iptables -t...

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iptables - formatting icmp rules

Hi, I am relatively new to firewalls and netfilter. I have a Debian Stretch router box running dnsmasq, connected to a VPN. Occasionally dnsmasq polls all of the desired DNS servers to select the fastest. When it does this it responds to replies of the non-selected DNS servers with a icmp type...

LEARN ABOUT V7

traceroute

TRACEROUTE(1)                                                      User Commands                                                     TRACEROUTE(1)

NAME

       traceroute - Trace the route to a host

SYNOPSIS

       traceroute [OPTION...] HOST

DESCRIPTION

       Print the route packets trace to network host.

       -f, --first-hop=NUM
              Set initial hop distance, that is the time-to-live.

       -g, --gateways=GATES
              List of gateways for loose source routing.

       -I, --icmp
              Use ICMP ECHO as probe.

       -m, --max-hop=NUM
              Set maximal hop count (default is 64).

       -M, --type=METHOD
              Use METHOD (icmp or udp) for traceroute operations, defaulting to udp.

       -p, --port=PORT
              Use destination PORT port (default is 33434).

       -q, --tries=NUM
              Send NUM probe packets per hop (default is 3).

       --resolve-hostnames
              Resolve hostnames.

       -t, --tos=NUM
              Set type of service (TOS) to NUM.

       -w, --wait=NUM
              Wait NUM seconds for response (default is 3).

       -?, --help
              Give this help list.

       --usage
              Give a short usage message.

       -V, --version
              Print program version.

GNU inetutils                                                       2015-05-15                                                       TRACEROUTE(1)

10 More Discussions You Might Find Interesting

1. Linux

Linux and ICMP timestamp requests.

Discussion started by: gerwhelan

2. UNIX for Advanced & Expert Users

ICMP Echo-Request

Discussion started by: ilmora

3. Shell Programming and Scripting

Extracting ICMP Output for Plotting

Discussion started by: Paris Heng

4. IP Networking

Ping ICMP

Discussion started by: vasanthan