6-1. VLAN Configuration
VLANs are broadcast domains defined within switches to allow control of broadcast, multicast, unicast, and unknown unicast within a Layer 2 device.
VLANs are defined on a switch in an internal database known as the VLAN Trunking Protocol (VTP) database. After a VLAN has been created, ports are assigned to the VLAN.
VLANs are assigned numbers for identification within and between switches. Cisco switches have two ranges of VLANs, the normal range and extended range.
VLANs have a variety of configurable parameters, including name, type, and state.
Several VLANs are reserved, and some can be used for internal purposes within the switch.
Creation of an Ethernet VLAN
VLANs are created on Layer 2 switches to control broadcasts and ...
Get Cisco® Field Manual: Catalyst® Switch Configuration now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
