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CCENT/CCNA ICND1 100-101 Official Cert Guide by Wendell Odom

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LAN Switch Configuration and Operation

Cisco switches work very well when received from the factory, without any configuration added. Cisco switches leave the factory with default settings, with all interfaces enabled (a default configuration of no shutdown) and with autonegotiation enabled for ports that can use it (a default configuration of duplex auto and speed auto). All interfaces default to be part of VLAN 1 (switchport access vlan 1). All you have to do with a new Cisco switch is make all the physical connections—Ethernet cables and power cord—and the switch starts working.

In most enterprise networks, you will want the switch to operate with some different settings as compared with the factory defaults. The second half of this chapter ...

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