实验五 构建简单路由器网络
第 3 步: 在路由器上显示接口信息。
使用show interface g0/1回答下列问题。 G0/1 接口的运行状态是什么?
_______________________________________________________________________________________ G0/1 接口的介质访问控制 (MAC) 地址是什么?
_______________________________________________________________________________________ 在此命令中,如何显示 Internet 地址?
_______________________________________________________________________________________
第 4 步: 显示路由器和交换机上接口的汇总列表。
有多条命令可用于检验接口配置。show ip interface brief是最常用的命令之一。此命令输出显示设备上接口
的汇总列表,并提供每个接口状态的即时反馈。 a. 在路由器上输入 show ip interface brief命令。
R1# show ip interface brief
Interface IP-Address OK? Method Status Protocol Embedded-Service-Engine0/0 unassigned YES unset administratively down down GigabitEthernet0/0 192.168.0.1 YES manual up up GigabitEthernet0/1 192.168.1.1 YES manual up up Serial0/0/0 unassigned YES unset administratively down down Serial0/0/1 unassigned YES unset administratively down down R1#
b. 在交换机上输入 show ip interface brief命令。
Switch# show ip interface brief
Interface IP-Address OK? Method Status Protocol Vlan1 unassigned YES manual up up
FastEthernet0/1 unassigned YES unset down down FastEthernet0/2 unassigned YES unset down down FastEthernet0/3 unassigned YES unset down down FastEthernet0/4 unassigned YES unset down down FastEthernet0/5 unassigned YES unset up up FastEthernet0/6 unassigned YES unset up up FastEthernet0/7 unassigned YES unset down down FastEthernet0/8 unassigned YES unset down down FastEthernet0/9 unassigned YES unset down down FastEthernet0/10 unassigned YES unset down down FastEthernet0/11 unassigned YES unset down down FastEthernet0/12 unassigned YES unset down down FastEthernet0/13 unassigned YES unset down down FastEthernet0/14 unassigned YES unset down down FastEthernet0/15 unassigned YES unset down down FastEthernet0/16 unassigned YES unset down down FastEthernet0/17 unassigned YES unset down down FastEthernet0/18 unassigned YES unset down down FastEthernet0/19 unassigned YES unset down down
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实验五 构建简单路由器网络
FastEthernet0/20 unassigned YES unset down down FastEthernet0/21 unassigned YES unset down down FastEthernet0/22 unassigned YES unset down down FastEthernet0/23 unassigned YES unset down down FastEthernet0/24 unassigned YES unset down down GigabitEthernet0/1 unassigned YES unset down down GigabitEthernet0/2 unassigned YES unset down down Switch#
思考
1. 如果 G0/1 接口显示管理性关闭,则您可以使用哪个接口配置命令打开接口?
_______________________________________________________________________________________ _______________________________________________________________________________________
2. 如果在路由器上使用 IP 地址 192.168.1.2 错误配置 G0/1 接口,将发生什么?
_______________________________________________________________________________________ _______________________________________________________________________________________
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