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:Linux Gazette: ping
Linux Gazette: ping
Aug 5, 2000, 19 :43 UTC (2 Talkback[s]) (4492 reads)

(Other stories by Pat Eyler)

"Ping used to be a very good indicator of a machines ability to receive and send IP packets in general. If you could ping a host, you could also make an ftp or http connection. With the wider advent of packet filtering for security, this is becoming less true."

"There are several useful options to the ping command. ... These options can be combined to make ping even more helpful. One thing that you cannot see is that the ping command used in the previous section is likely to take several seconds to run and report back. Using the -f switch will reduce the time spent waiting for the command. Combining this with the -c 10 and the -q switches will give you quick results and easier output to read... Note: The -f and -l switches can only be used by root, as they can cause serious network degradation if misused."

"It might be of some benefit to test larger packets, using ping -c10 -s 1024 -qf will send larger packets for you. This can be especially useful where you suspect problems with fragmented packets. To see the route that your packets are traversing, you can use ping -c10 -R. ... Note: The record route option specified by the -R switch is not honored by all routers and hosts. Further, it contains only a limited space to hold router addresses, traceroute may be a better tool for identifying the path packets follow through a network."

Complete Story

Related Stories:
Web Developer's Journal: LookUp Tools On The Web; The Really Useful Page(Apr 05, 2000)
LinuxPR: Datametrics Systems Extends Award-Winning Internet Connectivity Analysis(Dec 17, 1999)
Linux Answers Magazine: The Humble Ping(Nov 13, 1999)


Index Mode   |   Flat Mode   |   Thread Mode   |   Thread Flat  
  Talkback(s) Name  and Date
The Spanish version of this article can  ...   Spanish translation of article   
febb
Aug 6, 2000, 04:38:35
 
Wow, having the article traslated so qui ...   wow   
Pat Eyler
Aug 6, 2000, 14:21:20
 
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