Cisco Catalyst 2975 Software Configuration Manual page 975

STP (continued)
configuring
forward-delay time
hello time
16-22
maximum aging time
path cost
16-20
port priority
16-18
root switch
16-16
secondary root switch
spanning-tree mode
switch priority
16-21
transmit hold-count
counters, clearing 16-24
cross-stack UplinkFast
described
18-5
enabling
18-17
default configuration
default optional feature configuration
designated port, defined
designated switch, defined
detecting indirect link failures
disabling
16-16
displaying status
16-24
EtherChannel guard
described 18-10
disabling
18-18
enabling
18-17
extended system ID
effects on root switch
effects on the secondary root switch
overview
16-5
unexpected behavior
features supported 1-7
IEEE 802.1D and bridge ID
IEEE 802.1D and multicast addresses
IEEE 802.1t and VLAN identifier
inferior BPDU 16-3
instances supported
interface state, blocking to forwarding
OL-19720-02
16-23
16-23
16-18
16-15
16-24
16-13
18-12
16-4
16-4
18-8
16-16
16-18
16-16
16-5
16-9
16-5
16-10
18-2
STP (continued)
interface states
blocking
16-7
disabled
16-8
forwarding 16-6, 16-7
learning
16-7
listening
16-7
overview
16-5
interoperability and compatibility among
modes 16-11
limitations with IEEE 802.1Q trunks
load sharing
overview
13-19
using path costs
using port priorities
loop guard
described
18-11
enabling 18-19
modes supported
16-10
multicast addresses, effect of
optional features supported
overview 16-2
path costs
13-21, 13-22
Port Fast
described
18-2
enabling 18-13
port priorities
13-20
preventing root switch selection
protocols supported
redundant connectivity
root guard
described
18-10
enabling
18-18
root port, defined 16-3
root port selection on a switch stack
Catalyst 2975 Switch Software Configuration Guide
Index
16-11
13-21
13-20
16-9
1-7
18-10
16-10
16-9
16-3
IN-37