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1、, 2004 Cisco Systems, Inc. All rights reserved.,Operating and Configuring Cisco IOS Devices,Starting a Switch,INTRO v2.08-1,Outline,Overview Physical Startup of the Catalyst Switch Switch LED Indicators Viewing Initial Boot Up Output from the Switch Logging In to the Switch Examining the Help Facili
2、ty in the Switch CLI Configuring a Switch from the Command Line Showing the Switch Initial Startup Status Summary Lab Exercise 8-1: Cisco Remote Lab Connection Lab Exercise 8-2: Switch Start-up and Initial Configuration,System startup routines initiate switch software. Initial startup uses default c
3、onfiguration parameters.,Initial Startup of the Catalyst Switch,Catalyst 2950 Switch LED Indicators,Initial Bootup Output from the Catalyst 2950 Switch,Initial Configuration of the Catalyst 2950 Switch Using Setup,Logging In to the Switch and Entering the Privileged EXEC Mode,Switch Command-Line Hel
4、p Facilities,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,Sets the local identity for the switch,Configuring Switch Identification,Example: wg_sw_a(con
5、fig)#interface vlan 1 wg_sw_a(config-if)#ip address 10.5.5.11 255.255.255.0 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
6、IP Address,Why does a Layer 2 switch require an IP address?,Example: wg_sw_a(config)#ip default-gateway 172.20.137.1,wg_sw_a(config)#ip default-gateway ip address,Configuring the Switch Default Gateway,Showing Switch Initial Startup Status,wg_sw_a#show version,Displays the configuration of the syste
7、m hardware, software version, names and sources of configuration files, and boot images,wg_sw_a#show running-config,Displays current active configuration file of the switch,wg_sw_a#show interfaces,Displays statistics for all interfaces configured on the switch,Switch show version Command,Switch show
8、 interfaces Command,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 n
9、ormally 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.,Summary (Cont.),When start
10、ing 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 routers help facility. 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 the show version, show running-config and the show interfaces commands.,
