Wendell odom

RP (Root Ports), 217, 220-221, 230
RPVST+ (Rapid Per VLAN Spanning 
Tree+), 242-243, 246
RS (Router Solicitation), 600
RSTP (Rapid Spanning Tree Protocol), 
228, 242-243
alternate ports, 230-232
backup port role, 233
BID, 218
blocking criteria, 216-217
BPDU, 218, 225
configurable priority values, 244
configuration, 240
discarding state, 229
forwarding criteria, 216-217
LAN segment DP, 222-223
link types, 233
looping frames, preventing, 213
multiple spanning tree support, 246
need for, 213-215
9780135792735_book.indb 784
9780135792735_book.indb 784
7/25/19 2:45 PM
7/25/19 2:45 PM

---

Shortest Path First algorithm 785
ports, 233
blocking, 212
roles, 230
states, 232
processes, 232
purpose of, 215-217
root switches, 218, 247
STA, 216
standards, 228
steady-state operation, 225
STP, compared, 229-230
switches
electing, 219
priority, 247
RP, choosing, 220-221
topology influences, 223-225
running-config file, 100
runts, 167
S
S0/0/0 status code, 359
same-layer interaction, 21-22
scopes of multicast addresses, 
571-572
sdm prefer command, 402-404
sdm prefer lanbase-routing command, 
402, 415
SE Connect mode (APs), 647
secondary root switches, 247
Secure Shell. 
See 
SSH
security. 
See also
 authentication
attacks, 654
CLI, 93-94, 128-139
data integrity, 656
data privacy, 655
decryption, 655
encryption, 655
fake AP, 654
forward secrecy, 663
intrusion protection, 642
MIC, 656
privacy/integrity methods, 660-661
shared-key, 657
STP, 236
transmissions reaching unintended 
recipients, 652
WLAN, 681-684
WLC authentication, 642
WPA, 662-663
WPA2, 662-663
WPA3, 662-663