ISG ; login based on IP/MAC

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/isg/configuration/xe-3s/isg-xe-3s-book/isg-auto-sub-logon.html/index.html#GUID-6C9CCCB3-8EB2-4CEE-A8AA-578A883EA6DE

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/isg/configuration/xe-3s/asr1000/isg-xe-3s-asr1000-book/isg-netwk-acess-pol.html

https://cisco-images.test.edgekey.net/c/en/us/td/docs/ios-xml/ios/bbdsl/configuration/xe-3s/bba-xe-3s-book.pdf

http://www.postseek.com/meta/c89669f50ef996712b544922d4d6ff80