interface Ethernet 0/1
!
<text omitted>
interface Ethernet 0/1
interface Ethernet 0/24
<text omitted>
!
interface Ethernet 0/12
Interface Ethernet 0/25
!
!
Interface Ethernet 0/25
© 1999, Cisco Systems, Inc.

ICND—6-6
© 1999, Cisco Systems, Inc.

ICND—6-7
© 1999, Cisco Systems, Inc.

ICND—6-8
交换机之show runningconfiguration 命令
Duplex setting: Half duplex
Back pressure: Disabled
--More--
© 1999, Cisco Systems, Inc.

ICND—6-10
查看交换机的IP地址
wg_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#
© 1999, Cisco Systems, Inc.

ICND—6-11
© 1999, Cisco Systems, Inc.
配置交换机
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)#
wg_sw_a(config)#ip address 10.5.5.11 255.255.255.0
© 1999, Cisco Systems, Inc.

ICND—6-14
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
交换机基本操作中文
交换机的初始启动
• 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LEDs – Cisco IOS输出到控制台上的内容
© 1999, Cisco Systems, Inc.Catalyst 1924
wg_sw_c#show run
Catalyst 1912
wg_sw_c#show run
Building configuration...
Current configuration:
Building configuration...
!
Current configuration:
hostname "wg_sw_c"
!
!
hostname "wg_sw_c"
ip address 10.1.1.33 255.255.2!55.0
ip default-gateway 10.3.3.3 ip address 10.1.1.33 255.255.255.0
!
ip default-gateway 10.3.3.3
ICND—6-9
交换机之show interfaces命令
wg_sw_c#show interfaces ethernet 0/1
Ethernet 0/1 is Enabled
Hardware is Built-in 10Base-T
Address is 0050.BD73.E2C1
MTU 1500 bytes, BW 10000 Kbits
ICND—6-2
© 1999, Cisco Systems, Inc.

ICND—6-3
© 1999, Cisco Systems, Inc.

ICND—6-4
© 1999, Cisco Systems, Inc.

ICND—6-5
配置和运作
© 1999, Cisco Systems, Inc.

ICND—6-15
interface FastEthernet 0/26 !
!
interface FastEthernet 0/26
interface FastEthernet 0/27 !
interface FastEthernet 0/27
© 1999, Cisco Systems, Inc.

802.1d STP State: Forwarding
Forward Transitions: 1
Port monitoring: Disabled
Unknown unicast flooding: Enabled
Unregistered multicast flooding: Enabled
Description:

ICND—6-12
配置交换机的各种标识
交换机名
(config)#hostname wg_sw_c wg_sw_c(config)#
为交换机设置本地标识
© 1999, Cisco Systems, Inc.

ICND—6-13
配置交换机IP地址
wg_sw_a(config)# ip address {ip address} {mask}