Extending OTN Standards to Support Ethernet Services Maarten Vissers.
Mitigating Layer 2 Attacks Securing Layer 2 Access.
Day 13 2 switch config
CCNA SECURITY.640-554.v2013-06-15.138q
Cisco.Passguide.640-554.v2013-08-08.by.Rajeev.pdf
Minimizing Service Loss and Data Theft
Sec Portsec
Lecture Switching
