IP Address Management

Introduction

Indiana State University IP address schema uses a combination of private IP addresses as defined in RFC-1918 along with public allocated IPv4 addresses owned by ISU. This environment is set up to  provide security and segmentation of traffic for the benefit of the users. Presently ISU only supports IPv4 addresses and does not support IPv6 at any level.  

Standard Services and Features

Typical user facing networks are categorized as the following types:

  • TRUSTED / Wired network connections for academic and administrative workstations / computers. These devices can not be directly connected to from off campus. These subnets utilize REGISTERED DHCP, DHCP or BOOTP private IP addresses.  
  • IOT- / Wired network connections for Internet Of Things (IOT) devices without Internet access. This is typically used for printers or other devices that need to be accessed by on premises resources only. These subnets utilize REGISTERED DHCP, DHCP or BOOTP private IP addresses. 
  • IOT+ / Wired network connections for Internet Of Things (IOT) devices with Internet access. This is typically used for printers or other devices that need to connect to a cloud managed service. These devices can not be directly connected to from off campus. These subnets utilize REGISTERED DHCP, DHCP or BOOTP private IP addresses. 
  • STUDENT / Wired network connections for Residential Life buildings. These are DHCP only networks and are managed through either the MyDevices portal or direct login to the network. These devices can not be directly connected to from off campus and static / reserved IP addresses are never assigned.
  • WIRELESS / All wireless networks on campus are DHCP only networks and are managed through either the MyDevices portal or direct login to the network. These devices can not be directly connected to from off campus and static / reserved IP addresses are never assigned.
  • SERVER / Wired network connections in the OIT Data Centers that have static ip address assignments typically with Public IP addresses.

Constraints/Scope

  • IP addresses not seen on the network for 120 calendar days or more, may be released back into the pool. Devices affected by this will have to be re-registered.
  • BOOTP / Registered DHCP IP addresses are only assigned to wired devices in academic or administrative offices or buildings on TRUSTED, IOT-, IOT+, or SERVER networks.
  • Wireless connections are DHCP only and static ip addresses are never assigned.
  • Student wired networks in Residential Life buildings are DHCP only and static ip addresses are never assigned.
  • The MyDevices portal only applies to student Wired networks and the campus ISU-OPEN wireless networks.

Additional Information

Faculty and Staff may request a "Network IP Address Assignment" for wired devices through the OIT Help Desk. Please be ready to supply the system’s MAC address, contact information for the machine owner, and the desired network type of either TRUSTED, IOT- or IOT+. If you are requesting modification, include any information that you would like to be modified and a justification for its modification. If you are unsure what type of network you need to assign the device too, be as descriptive as possible and you will be contacted by our support staff to assist you.

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