项目五 配置访问控制列表(ACL)V1.0(5)
发布时间：2021-06-08
2．认证
R2#show ip interface
FastEthernet0/0 is up, line protocol is up (connected)
Internet address is 172.16.1.2/24
Broadcast address is 255.255.255.255
……
Outgoing access list is not set
Inbound access list is 100
……
Serial1/0 is up, line protocol is up (connected)
Internet address is 12.12.12.2/24
Broadcast address is 255.255.255.255
……
Outgoing access list is not set
Inbound access list is 100
……
Serial1/1 is up, line protocol is up (connected)
Internet address is 23.23.23.2/24
Broadcast address is 255.255.255.255
……
Outgoing access list is not set
Inbound access list is 100
……
在R2上设置telnet登录密码：
R2(config)#line vty 0 4
R2(config-line)#password cisco
R2(config-line)#login
在主机C上telnet路由器R2:
PC>telnet 12.12.12.2
Trying 12.12.12.2 ...
User Access Verification
Password:
R2>
在主机A上telnet路由器R2:
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