思科C350交换机清除密码和恢复出厂设置

1. 交换机接console线

2. 按住正面的“mode”按钮不放，直到sys状态灯不闪动

3. 放开“mode”按钮，此时终端命令行窗口显示“switch:”

4. 输入“flash_init”（实测不输入也可以）

5. 依次执行以下命令：

SWITCH_IGNORE_STARTUP_CFG=1
SWITCH_DISABLE_PASSWORD_RECOVERY=0 -- 提示Messge Read Only，可以忽略
BOOT=flash:packages.conf
boot

6. 查看当前配置

copy startup-config running-config

show run

7. 思科交换机恢复出厂设置命令：

erase startup-config

delete flash:vlan.dat

参考：

https://community.cisco.com/t5/networking-knowledge-base/password-recovery-on-cisco-catalyst-3850/ta-p/3154378#messageview_3

https://blog.csdn.net/qq_22763255/article/details/105526531 

https://blog.csdn.net/weixin_62387694/article/details/132066890

https://www.bilibili.com/video/BV1M4411p7Ju/?spm_id_from=333.337.search-card.all.click&vd_source=fe81b96705c85cc4868c713a777bf7b5