Index
IN-46
Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
storm control
configuring
25-3
described 25-1
disabling 25-5
displaying 25-17
support for 1-4
thresholds 25-1
STP
accelerating root port selection
20-4
BackboneFast
described
20-7
disabling 20-17
enabling 20-16
BPDU filtering
described
20-3
disabling 20-15
enabling 20-14
BPDU guard
described
20-2
disabling 20-14
enabling 20-13
BPDU message exchange 18-3
configuration guidelines 18-13, 20-12
configuring
forward-delay time
18-23
hello time 18-22
maximum aging time 18-23
path cost 18-20
port priority 18-18
root switch 18-16
secondary root switch 18-18
spanning-tree mode 18-15
switch priority 18-21
transmit hold-count 18-24
counters, clearing 18-24
cross-stack UplinkFast
described
20-5
enabling 20-16
default configuration 18-13
STP (continued)
default optional feature configuration
20-12
designated port, defined 18-4
designated switch, defined 18-4
detecting indirect link failures 20-8
disabling 18-16
displaying status 18-24
EtherChannel guard
described
20-10
disabling 20-17
enabling 20-17
extended system ID
effects on root switch
18-16
effects on the secondary root switch 18-18
overview 18-4
unexpected behavior 18-16
features supported 1-6
IEEE 802.1D and bridge ID 18-4
IEEE 802.1D and multicast addresses 18-9
IEEE 802.1t and VLAN identifier 18-5
inferior BPDU 18-3
instances supported 18-10
interface state, blocking to forwarding 20-2
interface states
blocking
18-7
disabled 18-8
forwarding 18-6, 18-7
learning 18-7
listening 18-7
overview 18-5
interoperability and compatibility among modes 18-11
keepalive messages 18-2
Layer 2 protocol tunneling 17-8
limitations with IEEE 802.1Q trunks 18-11
load sharing
overview
13-24
using path costs 13-26
using port priorities 13-24