# OIT Information In general, **NEVER** allow STP out of COSI's network into OIT's network. ## Connectivity ### 144/23 The 128.153.144.1/24 and 128.153.145.1/24 networks is connected to the OIT switch in SFP+ port The connection to the internet is at 10Gb/s speeds. Mirror's IP address (128.153.145.19) is throttled to 1Gb/s upload, and 300Mb/s download, as agreed upon with OIT. Mirror has unrestricted 10Gb/s access to much of the university network. ### 144/24 The 128.153.146.1/24 network is connected to the OIT switch in Ethernet port The 146/24 network, also known as the security network, has a limit of 1Gb/s. It is well blocked from the campus network. ### PolyCom The ITL PolyCom system is connected to the OIT switch in Ethernet port Please do not disconnect or remove the VoIP box from within the server room. ### Echo 360 The ITL Echo system is connected to the OIT switch in Ethernet port Please make sure that the Echo 360 system is constantly connected, if it does not work, the Echo system will be unable to record ITL lectures.