1_xml.rb

doc = File.open(profile_file) { |f| Nokogiri::XML(f).remove_namespaces!}

ble = doc.xpath("//WANConnectionsConfigurations//DictionaryEntry//Value")[0]

puts ble

ble.each do |v|
  puts v
end

2_wynik

<Value ClassID="2" IsNewClass="true" ClassName="Motive.Development.BaseData.H660.AdvacnedConfiguration.WANConnectionsConfigrations">
                    <ISP>3</ISP>
                    <VID>123</VID>
                </Value>
                
ClassID
2
IsNewClass
true
ClassName
Motive.Development.BaseData.H660.AdvacnedConfiguration.WANConnectionsConfigrations