From: Edward QU <ajax.htm@...>
Date: 2011-10-08T12:27:11+09:00
Subject: Re: net ping is in error in Windows 7 OS

thanks all above reply,
the Net::Ping::External could not work, but the  Net::Ping::TCP. works.

 pt = Net::Ping::TCP.new("#{ip_list}")
         if pt.ping
         # puts "#{ip_list}  TCP ping successful"
        else
         # puts "ping unsuccessful: #{pt.exception}"
         end

Regards
Edward

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