Syslocation, Sysservices, Interfaces group – Dell POWEREDGE M1000E User Manual

Page 54: Ifnumber, Iftable, Ifentry

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34

Fabric OS MIB Reference

53-1002750-01

Interfaces group

2

Interfaces group

Implementation of the Interfaces group is mandatory for all systems. FCIP tunnel support is added
in Fabric OS 5.3.0 and later. To support FCIP tunneling, entries are created in the ifTable for each
WAN interface (GbE port), each FC port, and each FCIP tunnel (transport interface).

Logical Inter-Switch Link (LISL) is an FC interface.

sysLocation
1.3.6.1.2.1.1.6

Read-write

The physical location of this node (for example, telephone closet, 3rd floor).
The minimum length of the string must be four. The default is End User
Premise.
Set this value using the snmpconfig command.

sysServices
1.3.6.1.2.1.1.7

Read only

A value that indicates the set of services that this entity primarily offers. The
value is a sum. This sum initially takes the value 0. Then, for each layer, L, in
the range 1 through 7, for which this node performs transactions, 2 raised to
(L - 1) is added to the sum. For example, a node that primarily performs
routing functions has a value of 4 (2

3-1

). In contrast, a node that is a host

and offers application services has a value of 72 (2

4-1

+ 2

7-1

).

In the context of the Internet suite of protocols, values should be calculated
accordingly:
Layer functionality

1 = physical (for example, repeaters)

2 = datalink/subnetwork (for example, bridges)

3 = internet (for example, IP gateways)

4 = end-to-end (for example, IP hosts)

7 = applications (for example, mail relays)

For systems including OSI protocols, layers 5 and 6 also can be counted. The
return value is always 79.

TABLE 8

Object and OID

Access

Description

TABLE 9

Object and OID

Access

Description

ifNumber
1.3.6.1.2.1.2.1

Read only

The number of network interfaces and existing FC ports present on this
system, regardless of their current state. This number will vary across
platforms (switches).
The return value is dynamic for all Brocade switches and depends on the
number of GbE ports, FC ports and transport interfaces.

ifTable
1.3.6.1.2.1.2.2

Not
accessible

A list of interface entries. The number of entries is given by the value of
ifNumber.
The Interfaces table contains information on the entity’s interfaces. Each
interface is thought of as being attached to a subnetwork. Note that this term
should not be confused with subnet, which refers to an addressing
partitioning scheme used in the Internet suite of protocols.

ifEntry
1.3.6.1.2.1.2.2.1

Not
accessible

An interface entry containing objects at the subnetwork layer and below, for a
particular interface.

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