9.4 Authentication ................................................................................................ 314
9.7.1 IPv4 ....................................................................................................... 328
9.8 BPDU Guard .................................................................................................... 346
9.9 NetBIOS Filtering ............................................................................................. 348
9.12 Trusted Host ................................................................................................. 355
9.13 Storm Control ............................................................................................... 356
9.14 SSH (Secure Shell) ......................................................................................... 360
9.14.2 Host Key .............................................................................................. 361
10.1 Cable Diagnostics .......................................................................................... 368
5