Using STP ................................................................................ 148
List of commands in this chapter ........................................ 158
13 – Rapid Spanning Tree Protocol (RSTP) ...................... 159
RSTP concepts ........................................................................... 159
Transition from STP to RSTP ............................................. 160
Configuring RSTP .................................................................. 161
List of commands in this chapter ........................................ 172
14 – S-Ring™ and Link-Loss-Learn™ (LLL) .................... 174
S-Ring and LLL concepts ......................................................... 175
Comparing resiliency methods ............................................. 176
RSTP/STP Operation without S-Ring ............................... 177
RSTP/STP Operation with S-Ring ..................................... 179
LLL with S-Ring ..................................................................... 181
Ring learn features .................................................................. 181
Configuring S-Ring ................................................................ 181
List of commands in this chapter ........................................ 185
15 – Dual-Homing .............................................................. 187
Dual-Homing concepts ............................................................ 187
Dual-Homing Modes ............................................................. 190
Configuring Dual-Homing ................................................... 190
List of commands in this chapter ........................................ 192
16 – Link Aggregation Control Protocol (LACP) ............... 193
LACP concepts .......................................................................... 193
LACP Configuration .............................................................. 194
List of commands in this chapter ........................................ 204
17 – Quality of Service ........................................................ 205
QoS concepts ............................................................................. 205
DiffServ and QoS ................................................................... 206
IP Precedence ......................................................................... 207
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