Object identifiers, Configuring with snmp – Intermec 700 User Manual

Page 220

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Network Support

Chapter

4

196

700 Series Color Mobile Computer User’s Manual

Object Identifiers

Each object has a unique identifier called an OID, which consist of a se-
quence of integer values represented in dot notation. Objects are stored in
a tree structure and OIDs are assigned based on the position of the object
in the tree. For example, the internet OID is equal to 1.3.6.1. Seven MIB
OIDs are shown in the following table:

MIB Object Identifiers

MIB-II Item

OID

Group or Table

Description

ifNumber

1.3.6.1.2.1.2.1.0

Interfaces Group

Indicates the number of adapters
present in the system. For the 700
Color Computer, if one adapter is
present in the system, then ifNum-
ber
= 1 and ifIndex = 1.

ifIndex

1.3.6.1.2.1.2.2.1.1.ifIndex

Interfaces Table (ifTable) A unique value for each interface.

The value ranges between 1 and the
value of ifNumber.

ifDescr

1.3.6.1.2.1.2.2.1.2.ifIndex

Interfaces Table (ifTable) A textual string containing informa-

tion about the interface.

ifType

1.3.6.1.2.1.2.2.1.3.ifIndex

Interfaces Table (ifTable) An integer containing information

about the type of the interface. It is
equal to 1 for Other.

ipAdEntAddr

1.3.6.1.2.1.4.20.1.1.IpAddress IP address Table

(ipAddrTable)

The IP address to which this entry’s
addressing information pertains
(same as 700 IP address), where IP
Address is the valid non-zero IP ad-
dress of the 700 Color Computer.

ipAdEntIfIndex

1.3.6.1.2.1.4.20.1.2.IpAddress IP address Table

(ipAddrTable)

The index value that uniquely iden-
tifies the interface to which this
entry is applicable (same as ifIndex).

ipAdEntNetMask 1.3.6.1.2.1.4.20.1.3.IpAddress IP address Table

(ipAddrTable)

The subnet mask associated with
the IP address of this entry (same as
Subnet Mask)
.

Configuring with SNMP

The community string allows an SNMP manager to manage the 700 Col-
or Computer with a specified privilege level. The default read-only com-
munity string is “public” and “private” is the default read/write communi-
ty string. See the specific configuration parameter to find its OID. To
configure the 700 Color Computers using SNMP:

1

Configure 700 Color Computers for RF or Ethernet communications.

2

Determine the OID (Object Identifier) for the parameter to be chan-
ged. The Intermec base OID is 1.3.6.1.4.1.1963.

3

Use your SNMP management station to get and set variables that are
defined in the Intermec MIBs. You can set the traps, identification, or
security configuration parameters for SNMP. See Appendix A, “Confi-
gurable Settings,” to learn more about these parameters.

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