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IN-11
Catalyst 2940 Switch Software Configuration Guide
78-15507-02
interoperability and compatibility among modes 11-9
loop guard
described
12-9
enabling 12-15
Port Fast
described
12-1
enabling 12-10
preventing root switch selection 12-8
root guard
described
12-8
enabling 12-14
shutdown Port Fast-enabled port 12-2
multicast groups
and IGMP snooping
16-6
Immediate Leave 16-5
joining 16-3
leaving 16-4
static joins 16-9
multicast router interfaces, monitoring 16-13
multicast router ports, adding 16-8
Multicast VLAN Registration
See MVR
MVR
configuring interfaces
16-18
default configuration 16-16
described 16-14
modes 16-18
monitoring 16-20
setting global parameters 16-17
N
native VLAN
configuring
13-17
default 13-17
network examples
collapsed backbone and switch cluster
1-9
design concepts
network performance
1-7
network services 1-7
large campus 1-10
small to medium-sized network 1-8
network management
CDP
19-1
RMON 21-1
SNMP 23-1
Network Time Protocol
See NTP
no commands
2-4
nontrunking mode 13-12
normal-range VLANs
configuration modes
13-5
defined 13-1
NTP
associations
authenticating
6-4
defined 6-2
enabling broadcast messages 6-6
peer 6-5
server 6-5
default configuration 6-4
displaying the configuration 6-10
overview 6-2
restricting access
creating an access group
6-8
disabling NTP services per interface 6-9
source IP address, configuring 6-9
stratum 6-2
synchronizing devices 6-5
time
services
6-2
synchronizing 6-2