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Overview of Basic SNMP Building Blocks
What are SNMP MIBs?
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Basic Dial NMS Implementation Guide
Figure 3 The MIB Tree and Its Various Hierarchies
As shown in Figure 3, top-level MIB object IDs belong to different standards organizations while
low-level object IDs are allocated by associated organizations. Vendors define private branches that
include managed objects for products. Non standard MIBs are typically in the experimental branch.
A managed object has these unique identities:
The object name
—For example, iso.identified-organization.dod.internet.private.enterprise.cisco.
temporary variables.AppleTalk.atInput
or
The equivalent object descriptor
—For example, 1.3.6.1.4.1.9.3.3.1.
ccitt (0)
…
………
iso (1) iso-ccitt (2)
registration-
authority (1)
standard (0)
dod (6)
…
member-
body (2)
identified-
organization (3)
mgmt (2)directory (1) experimental (3) private (4) security (5) snmpV2 (6)
internet (1)
…
mib-2 (1) enterprise (1)
cisco (9)……
………
…
……
temporary
variables (3)
…… …
Apple Talk (3)
atForward (4)
Novell (3) VINES (4) Chassis (5)DECnet (1) XNS (2)
…
…
…
…
…
atBcastin (3)
atLocal (2)
atInput (1)
…
…
…
…
…
…
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