8 – Access Using RADIUS ................................................. 106RADIUS ..................................................................................... 106802.1x .......................................................................................106Configuring 802.1x.................................................................109List of commands in this chapter ........................................1149 – Access Using TACACS+ .............................................. 116TACACS – flavors and history ................................................ 116TACACS+ Flow.....................................................................117TACACS+ Packet ..................................................................118Configuring TACACS+ ........................................................118List of commands in this chapter ........................................12010 – Port Mirroring and Setup ............................................ 122Port monitoring and mirroring ................................................ 122Port mirroring .........................................................................122Port setup ................................................................................123Speed settings ............................................................................. 124Flow Control .............................................................................. 125Back Pressure ............................................................................. 126Broadcast Storms ....................................................................... 128Preventing broadcast storms ................................................129Port Rate limiting for broadcast traffic ...............................130List of commands in this chapter ........................................13011 – VLAN .......................................................................... 132Why VLANs? ............................................................................. 132Creating VLANs.....................................................................134Private VLANs .......................................................................135Using VLANs .........................................................................136List of commands in this chapter ........................................14512 – Spanning Tree Protocol (STP) .................................... 147STP features and operation ...................................................... 147vi
