1999, Cisco Systems, Inc. 6-1交换机基本操作 1999, Cisco Systems, Inc. www.cisco.comICND6-2 系统启动例程会初始化交换机 初始启动利用缺省配置参数1. 启动前确认正确连接线缆和控制线2. 接入电源3. 观察启动顺序面板上的指示灯LEDsCisco IOS输出到控制台上的内容交换机的初始启动 1999, Cisco Systems, Inc. www.cisco.comICND6-3检查交换机指示灯(LEDs) 1999, Cisco Systems, Inc. www.cisco.comICND6-4交换机自检期间的端口指示灯 1. 启动时，所有端口指示灯变绿.2. 每个端口自检完毕，对应的指示灯熄灭.3. 如果端口自检失败, 对应指示灯呈黄色.4. 如果有任何自检失败情况，系统指示灯呈现黄色 .5. 如果没有自检失败, 自检过程完成.6. 随着自检过程的完成, 指示灯闪亮后熄灭. 1999, Cisco Systems, Inc. www.cisco.comICND6-5交换机初次启动时的显示信息控制台连接Catalyst 1900 Management Console Copyright (c) Cisco Systems, Inc. 1993-1998 All rights reserved. Enterprise Edition Software Ethernet Address: 00-50-BD-73-E2-C0PCA Number: 73-3121-01 PCA Serial Number: FAA0252A0QX Model Number: WS-C1924-EN System Serial Number: FAA0304S0U3 Power Supply S/N: PHI025101F3 -1 user(s) now active on Management Console.User Interface MenuM MenusK Command LineI IP ConfigurationEnter Selection: 1999, Cisco Systems, Inc. www.cisco.comICND6-6控制台登入交换机并键入特权模式密码 enable Enter password: # # disable quit用户模式提示特权模式提示 1999, Cisco Systems, Inc. www.cisco.comICND6-7Switch#show interfacesSwitch#show version显示交换机初始启动的状态Switch#show running-config显示交换机的各种运行状态 1999, Cisco Systems, Inc. www.cisco.comICND6-8wg_sw_c#show versionCisco Catalyst 1900/2820 Enterprise Edition Software Version V8.01.01 written from 171.068.229.225 Copyright (c) Cisco Systems, Inc. 1993-1998 wg_sw_c uptime is 15day(s) 21hour(s) 53minute(s) 11second(s) cisco Catalyst 1900 (486sxl) processor with 2048K/1024K bytes of memory Hardware board revision is 5 Upgrade Status: No upgrade currently in progress. Config File Status: No configuration upload/download is in progress 27 Fixed Ethernet/IEEE 802.3 interface(s) Base Ethernet Address: 00-50-BD-73-E2-C0交换机之show version 命令 1999, Cisco Systems, Inc. www.cisco.comICND6-9wg_sw_c#show runBuilding configuration. Current configuration: ! hostname “wg_sw_c“ ! ip address 10.1.1.33 255.255.255.0 ip default-gateway 10.3.3.3 ! interface Ethernet 0/1interface Ethernet 0/24 ! Interface Ethernet 0/25 ! interface FastEthernet 0/26 ! interface FastEthernet 0/27交换机之show running- configuration 命令wg_sw_c#show runBuilding configuration. Current configuration: ! hostname “wg_sw_c“ ! ip address 10.1.1.33 255.255.255.0 ip default-gateway 10.3.3.3 ! interface Ethernet 0/1interface Ethernet 0/12 ! Interface Ethernet 0/25 ! interface FastEthernet 0/26 ! interface FastEthernet 0/27Catalyst 1924Catalyst 1912 1999, Cisco Systems, Inc. www.cisco.comICND6-10wg_sw_c#show interfaces ethernet 0/1Ethernet 0/1 is Enabled Hardware is Built-in 10Base-T Address is 0050.BD73.E2C1 MTU 1500 bytes, BW 10000 Kbits 802.1d STP State: Forwarding Forward Transitions: 1 Port monitoring: Disabled Unknown unicast flooding: Enabled Unregistered multicast flooding: Enabled Description: Duplex setting: Half duplex Back pressure: Disabled -More-交换机之show interfaces命令 1999, Cisco Systems, Inc. www.cisco.comICND6-11wg_sw_a#show ip IP Address: 10.5.5.11 Subnet Mask: 255.255.255.0 Default Gateway: 10.5.5.3 Management VLAN: 1 Domain name: Name server 1: 0.0.0.0 Name server 2: 0.0.0.0 HTTP server : Enabled HTTP port : 80 RIP : Enabled wg_sw_a#查看交换机的IP地址 1999, Cisco Systems, Inc. www.cisco.comICND6-12 配置模式: 全局配置模式 wg_sw_a# conf term wg_sw_a(config)# 端口配置模式 wg_sw_a(config)# interface e0/1 wg_sw_a(config-if)#配置交换机 1999, Cisco Systems, Inc. www.cisco.comICND6-13配置交换机的各种标识为交换机设置本地标识交换机名(config)#hostname wg_sw_c wg_sw_c(config)# 1999, Cisco Systems, Inc. www.cisco.comICND6-14wg_sw_a(config)# ip address ip address maskwg_sw_a(config)#ip address 10.5.5.11 255.255.255.0配置交换机IP地址 1999, Cisco Systems, Inc. www.cisco.comICND6-15本章目标通过本章的学习，您应该掌握以下内容: 能描述2层交换(桥接)的运作 能描述Catalyst 1900系列交换机反对运作 清楚Catalyst 1900系列交换机的出厂缺省配置 配置Catalyst 1900系列交换机 利用show命令确认Catalyst 1900系列交换机的 配置和运作 1999, Cisco Systems, Inc. www.cisco.comICND6-16配置交换机 Catalyst 1900菜单界面 基于Web的管理VSM(Visual Switch Manager)http:/10.5.5.11 IOS 命令行界面 1999, Cisco Systems, Inc. www.cisco.comICND6-17 IP地址: 0.0.0.0(3COM:169.254.100.100) 100baseT端口: 自动协商双工模式 10baseT端口: 半双工 生成树协议: 开启 控制台密码: 无Catalyst 1900系列的缺省配置 1999, Cisco Systems, Inc. www.cisco.comICND6-18Cat1912 Cat192410baseT 端口AUI 端口100baseT 级连端口e0/1 to e0/12e0/1 to e0/24e0/25e0/25fa0/26 (port A) fa0/27 (port B)fa0/26 (port A) fa0/27 (port B)Catalyst 1900系列的端口 1999, Cisco Systems, Inc. www.cisco.comICND6-19wg_sw_d#sh runBuilding configuration. Current configuration: ! ! interface Ethernet 0/1 ! interface Ethernet 0/2wg_sw_d#sh spanPort Ethernet 0/1 of VLAN1 is ForwardingPort path cost 100, Port priority 128Designated root has priority 32768, address 0090.8673.3340Designated bridge has priority 32768, address 0090.8673.3340Designated port is Ethernet 0/1, path cost 0Timers: message age 20, forward delay 15, hold 1wg_sw_a#show vlan-membership