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SNMP Command Reference
Per RFC 2575, View-based Access Control Model (VACM) for the Simple Network Management
Protocol (SNMP), each MIB view is defined by two sets of view subtrees, the included view subtrees,
and the excluded view subtrees. Every view subtree, both the included and the excluded ones, are
defined in this table. To determine if a particular object instance is in a particular MIB view, compare
the object instance's object identifier (OID) with each of the MIB view's active entries in this table. If
none match, then the object instance is not in the MIB view. If one or more match, then the object
instance is included in, or excluded from, the MIB view according to the value of
vacmViewTreeFamilyType in the entry whose value of vacmViewTreeFamilySubtree has the most
sub-identifiers.
The no form of this command removes the mask from the configuration.
Default
no mask
Parameters
mask-value — the mask value associated with the OID value determines whether the
type {included | excluded} — specifies whether to include or exclude MIB subtree objects
192
sub-identifiers are included or excluded from the view
The mask can be entered in either:
•
hexadecimal format (for example, 0xfc)
•
binary format (for example, 0b11111100)
Note: If the number of bits in the bit mask is less than the number of sub-identifiers
in the MIB subtree, then the mask is extended with ones until the mask length
matches the number of sub-identifiers in the MIB subtree.
Default
all 1s
included - all MIB subtree objects that are identified with a 1 in the mask are available in the
view
excluded - all MIB subtree objects that are identified with a 1 in the mask are denied access
in the view
Default
included
7705 SAR OS System Management Guide
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