(Lo is a set of chips, with VxWorks embedded operating system inside. Behind the server, there is a standard RJ45 port externally connected to the production switch or the out of band management switch. The full name of ILO is integratedlights out. It is a remote management port integrated on some HP servers. It allows users to manage servers remotely based on different operating systems, realizing virtual access and control, so as to carry out intelligent infrastructure and management.)