GigabitEthernet0/1 is up, line protocol is up Hardware is Gigabit Ethernet, address is 000a.bcd1.2345 MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec 5 minute input rate 1000000 bits/sec, 1500 packets/sec 5 minute output rate 200000 bits/sec, 300 packets/sec
2. IP 和路由命令
示例：查看路由表
输入以下命令：
show ip route
输出示例：
Gateway of last resort is not set 10.0.0.0/24 is subnetted, 1 subnets C 10.0.0.0 is directly connected, GigabitEthernet0/1 S* 0.0.0.0/0 [1/0] via 192.168.1.1
3. 系统状态命令
示例：监控 CPU 使用率
输入以下命令：
show processes cpu
输出示例：
CPU utilization for five seconds: 10%/0%; one minute: 5%; five minutes: 3%
4. 文件与配置命令
示例：查看当前配置
输入以下命令：
show running-config
输出示例：
interface GigabitEthernet0/1 ip address 10.0.0.1 255.255.255.0 no shutdown ! line vty 0 4 login local transport input ssh
