The System Group MIB defines the essential managed objects, or entities, for a system.
The System Group MIB is specified in RFC 1213. Extreme 9920 software supports the following.
| Name | OID | Syntax | Description |
| sysDescr | .1.3.6.1.2.1.1.1 | DisplayString (Octet string) | Description of the entity |
| sysObjectID | .1.3.6.1.2.1.1.2 | Object Identifier | OID of the device model |
| sysUpTime | .1.3.6.1.2.1.1.3 | TimeTicks | Amount of time since the network management subsystem was last initialized |
| sysContact | .1.3.6.1.2.1.1.4 | DisplayString (octet string) | Description of the contact person for the entity |
| sysName | .1.3.6.1.2.1.1.5 | DisplayString (octet string) | Name of the entity. Usually the FQDN. |
| sysLocation | .1.3.6.1.2.1.1.6 | DisplayString (octet string) | Physical location of the entity |
| sysServices | .1.3.6.1.2.1.1.7 | Integer | Description of the services that the entity offers |