snmpNotifyFilterMask

The bit mask which, in combination with the corresponding
instance of snmpNotifyFilterSubtree, defines a family of
subtrees which are included in or excluded from the
filter profile.
              
Each bit of this bit mask corresponds to a
sub-identifier of snmpNotifyFilterSubtree, with the
most significant bit of the i-th octet of this octet
string value (extended if necessary, see below)
corresponding to the (8*i - 7)-th sub-identifier, and
the least significant bit of the i-th octet of this
octet string corresponding to the (8*i)-th
sub-identifier, where i is in the range 1 through 16.
              
Each bit of this bit mask specifies whether or not
the corresponding sub-identifiers must match when
determining if an OBJECT IDENTIFIER matches this
family of filter subtrees; a '1' indicates that an
exact match must occur; a '0' indicates 'wild card',
i.e., any sub-identifier value matches.
              
Thus, the OBJECT IDENTIFIER X of an object instance
is contained in a family of filter subtrees if, for
each sub-identifier of the value of
snmpNotifyFilterSubtree, either:
              
  the i-th bit of snmpNotifyFilterMask is 0, or
              
  the i-th sub-identifier of X is equal to the i-th
  sub-identifier of the value of
  snmpNotifyFilterSubtree.
              
If the value of this bit mask is M bits long and
there are more than M sub-identifiers in the
corresponding instance of snmpNotifyFilterSubtree,
then the bit mask is extended with 1's to be the
required length.
              
Note that when the value of this object is the
zero-length string, this extension rule results in
a mask of all-1's being used (i.e., no 'wild card'),
and the family of filter subtrees is the one
subtree uniquely identified by the corresponding
instance of snmpNotifyFilterSubtree.

MIB

SNMP-NOTIFICATION-MIB

OID

.1.3.6.1.6.3.13.1.3.1.2

Type

column

Access

readwrite

Status

current

Parent

snmpNotifyFilterEntry

Table

snmpNotifyFilterTable

Siblings

4