# File lib/facter/util/ip.rb, line 196
196:   def self.get_arp_value(interface)
197:     arp = Facter::Util::Resolution.exec("arp -en -i #{interface} | sed -e 1d")
198:     if arp =~ /^\S+\s+\w+\s+(\S+)\s+\w\s+\S+$/
199:      return $1
200:     end
201:   end