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VLAN Management
Page 4-19
Other VLAN Features in IntraCore 8000
G
VLAN management security
G
VLAN MAC address insertion and removal
G
Console UI management of VLANs
G
Web interface management of VLANs
The management operations allowed are:
G
Creation
G
Deletion
G
Name configuration
G
VID change configuration
G
Adding and deleting port members
G
Adding and deleting untagged sets
G
Sharing and unsharing VLANs
G
Inserting and removing MAC addresses
G
Toggling management access
Overview of VLANs
This section describes the concepts needed to configure and manage VLANs 
on IntraCore switches.
Benefits of VLAN Management
Unnecessary flooded traffic wastes bandwidth on a LAN, potentially 
clogging the network. Flooded traffic is traffic that is sent to all ports on the 
switch because the destination is a broadcast or multicast address, or because 
the location of the destination is unknown.
Traditional layer 2 bridges and switches attempt to limit unnecessary flooded 
traffic by learning the addresses of stations on the switch. But as traffic 
expands rapidly on today’s networks, bandwidth wastage from layer 2 
flooding can easily become a network bottleneck.
The traditional solution to the problem of broadcast flooding is to use a layer 
3 device like a router. The trade-offs that accompany the use of routers 
include higher initial cost, more latency with decreased network 
performance, and higher maintenance and configuration expenses.