注意COM线插上后的编号
按照说明书，输入通讯参数
笔者软件为SecureCRT
连通后输入管理员账户和密码
使用前记录会话
范例：
<SW-SHGJL-CORE-1>sys
System View: return to User View with Ctrl+Z.
[SW-SHGJL-CORE-1]
[SW-SHGJL-CORE-1]interface GigabitEthernet1/0/20
[SW-SHGJL-CORE-1-GigabitEthernet1/0/20]port access vlan 60
[SW-SHGJL-CORE-1-GigabitEthernet1/0/20]exit
[SW-SHGJL-CORE-1]quit
<SW-SHGJL-CORE-1>write
The current configuration will be written to the device. Are you sure? [Y/N]:y
Please input the file name(*.cfg)[flash:/startup.cfg]
(To leave the existing filename unchanged, press the enter key):
flash:/startup.cfg exists, overwrite? [Y/N]:y
Validating file. Please wait...
Saved the current configuration to mainboard device successfully.
<SW-SHGJL-CORE-1>dis cu
