Index
IN-15
Catalyst 2960 Switch Command Reference
78-16882-01
Spanning Tree Protocol
See STP
spanning-tree uplinkfast command
2-455
spanning-tree vlan command 2-457
speed command 2-460
srr-queue bandwidth limit command 2-462
srr-queue bandwidth shape command 2-464
srr-queue bandwidth share command 2-466
SSH, configuring version 2-129
static-access ports, configuring 2-471
statistics, Ethernet group 2-235
sticky learning, enabling 2-481
storm-control command 2-468
STP
BackboneFast
2-418
counters, clearing 2-39
debug messages, display
BackboneFast events
B-57
MSTP B-60
optimized BPDUs handling B-59
spanning-tree activity B-55
switch shim B-62
transmitted and received BPDUs B-58
UplinkFast B-64
detection of indirect link failures 2-418
EtherChannel misconfiguration 2-425
extended system ID 2-427
path cost 2-423
protocol modes 2-434
root port
accelerating choice of new
2-455
loop guard 2-428
preventing from becoming designated 2-428
restricting which can be root 2-428
root guard 2-428
UplinkFast 2-455
root switch
affects of extended system ID
2-427, 2-458
hello-time 2-457
STP (continued)
root switch (continued)
interval between BDPU messages
2-457
interval between hello BPDU messages 2-457
max-age 2-457
port priority for selection of 2-449
primary or secondary 2-457
switch priority 2-457
state changes
blocking to forwarding state
2-453
enabling BPDU filtering 2-419, 2-451
enabling BPDU guard 2-421, 2-451
enabling Port Fast 2-451, 2-453
enabling timer to recover from error state 2-81
forward-delay time 2-457
length of listening and learning states 2-457
shutting down Port Fast-enabled ports 2-451
state information display 2-383
VLAN options 2-446, 2-457
Switched Port Analyzer
See SPAN
switchport access command
2-471
switchport backup interface command 2-473
switchport block command 2-475
switchport host command 2-476
switchport mode command 2-477
switchport nonegotiate command 2-479
switchport port-security aging command 2-486
switchport port-security command 2-481
switchport priority extend command 2-488
switchport protected command 2-490
switchports, displaying 2-298
switchport trunk command 2-492
switchport voice vlan command 2-495
system message logging, save message to flash 2-135
system mtu command 2-497
system resource templates 2-236