This bug has been copied from bug #493085 and has been proposed to be backported to 4.8 z-stream (EUS).
Technical note added. If any revisions are required, please edit the "Technical Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: Previously,the ping (8) manual page had insufficient descriptions of the "-c count" and "-w deadline" ping options. Now, the improved descriptions contain a more detailed account of the interaction between these options.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2010-0663.html