5 Bad Habits That People in the 정보이용료현금 Industry Need to Quit
http://holdenrmew128.unblog.fr/2019/09/23/what-i-wish-i-knew-a-year-ago-about-%ea%b5%ac%ea%b8%80%ec%a0%95%eb%b3%b4%ec%9d%b4%ec%9a%a9%eb%a3%8c/
Not simply will the switch warn you about the right use of PortFast, but you should place the port into access method just before PortFast will acquire result.