© 2005 Cisco Systems, Inc. All rights reserved.INTRO v2.18-1 Operating and Configuring Cisco IOS Devices Starting a Switch.

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© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Operating and Configuring Cisco IOS Devices Starting a Switch

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Outline Overview Physical Startup of the Catalyst Switch Switch LED Indicators Viewing Initial Boot Output from the Switch Logging In to the Switch Examining the Help Facility in the Switch CLI Configuring a Switch from the Command Line Showing the Switch Initial Startup Status Summary Lab Exercise 8-1: Establishing a Telnet Connection to the Cisco Remote Lab Lab Exercise 8-2: Completing Switch Startup and Initial Configuration

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v System startup routines initiate switch software. Initial startup uses default configuration parameters. Initial Startup of the Catalyst Switch

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Catalyst 2950 Switch LED Indicators

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Initial Bootup Output from the Catalyst 2950 Switch

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Initial Configuration of the Catalyst 2950 Switch Using Setup

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Logging In to the Switch and Entering the Privileged EXEC Mode

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Switch Command-Line Help Facilities

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Configuration modes: Global configuration mode –wg_sw_a#configure terminal –wg_sw_a(config)# Interface configuration mode –wg_sw_a(config)#interface e0/1 –wg_sw_a(config-if)# Configuring the Switch

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Sets the local identity for the switch Configuring Switch Identification

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Example: wg_sw_a(config)#interface vlan 1 wg_sw_a(config-if)#ip address wg_sw_a(config-if)#no shutdown Note: It is necessary to use the no shutdown command to make the interface operational. wg_sw_a(config-if)#interface vlan 1 wg_sw_a(config-if)#ip address {ip address} {mask} Configuring the Switch IP Address

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Example: wg_sw_a(config)#ip default-gateway wg_sw_a(config)#ip default-gateway {ip address} Configuring the Switch Default Gateway

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Showing Switch Initial Startup Status wg_sw_a#show version Displays the configuration of the system hardware, software version, names and sources of configuration files, and boot images wg_sw_a#show running-config Displays the current active configuration file of the switch wg_sw_a#show interfaces Displays statistics for all interfaces configured on the switch

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Switch show version Command

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Switch show interfaces Command

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Summary The startup of a Catalyst switch requires verifying the physical installation, powering up the switch, and viewing the Cisco IOS software output on the console. The Catalyst switches have several status LEDs that are generally lit in green when the switch is functioning normally but turn amber when there is a malfunction. The Catalyst POST is executed only when the switch is powered up. During initial startup, if POST test failures are detected, they are reported to the console. If POST completes successfully, the switch can be configured.

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v Summary (Cont.) When starting any mode on a Catalyst switch, begin in user EXEC mode. To change modes, a password must be entered. The Catalyst switch CLI provides a help facility that is similar to the help facility of the router. The Catalyst IOS switches can be configured using the global and other configuration modes, similar to the routers. After logging into a Catalyst IOS switch, the switch software and hardware status can be verified using show version, show running-config, and show interfaces commands.

© 2005 Cisco Systems, Inc. All rights reserved.INTRO v