View list
SNMP lets you manage, configure, and monitor network devices using information defined in Management Information Bases (MIBs). MIBs describe the management data structure for a device subsystem and are usually represented as a tree. A hierarchical namespace containing Object Identifiers (OIDs) organizes them. Every OID identifies a variable that can be read or set via SNMP. The SNMP management station uses the SNMP view list to control access to specific MIB objects.
To add a new view list, do as follows:
- Go to Configure > SNMP > View list.
- Click Add.
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Configure the following settings:
- View Name: Enter a name with up to 30 letters and numbers.
- Subtree OID: Enter the Object Identifier (OID). The OID is a unique string that identifies an object tree (MIB tree) that an SNMP manager will include or exclude from access. If you're not sure, check your vendor documentation. Vendors often provide OID information.
- Subtree Mask: The Subtree Mask is an integer between 1 and 20 that identifies groups of related objects within the MIB. The number identifies the level at which the SNMP manager applies the mask. For example, a Subtree Mask of 5 only applies to objects at the fifth level of the MIB tree.
- View Type: Select which OID branch within the MIB tree will be Included or Excluded from the selected SNMP view. If you mark an entry as Excluded, we recommend creating another entry of Included, with the OID subtree overlapping the Excluded entry.
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Click Apply.