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Instance Attribute “Interface Speed”
The Ethernet Link Object has an instance attribute named “Interface Speed” which has the
Attribute
Identifier 01
h
. The attribute reveals the currently used speed in the interface. The speed is
announced as an integer number, with the unit Mbps, e.g. 0, 10, 100 etc. The attribute is of type
UDINT (32-bit). The attribute is read-only.
The value 0 indicates that the interface speed in indeterminate.
Instance Attribute “Interface Flags”
The Ethernet Link Object has an instance attribute named “Interface Flags” which has the
Attribute
Identifier 02
h
. The attribute contains status and configuration information about the physical
interface
in the form of a 32-bit bitmask (DWORD). The attribute is read-only.
Table 16.
Class Name Ethernet Link Object
Class Identifier F6
h
Class Attributes Id Name Data Type Access Rule
1
h
Revision Unsigned16 Read-Only
2
h
Max Instance Unsigned16 Read-Only
3
h
Number of Instances Unsigned16 Read-Only
Class Services Id Name
1
h
Get_Attributes_All
0E
h
Get_Attribute_Single
Instance Attributes Id Name Data Type Access Rule
1
h
Interface Speed Unsigned32 Read-Only
2
h
Interface Flags Unsigned32 Read-Only
3
h
Physical Address Unsigned8[6] Read-Only
4
h
Interface Counters Struct Read-Only
5
h
Media Counters Struct Read-Only
7
h
Interface Type Unsigned8 Read-Only
8
h
Interface State Unsigned8 Read-Only
9
h
Admin State Unsigned8 Read-Write
0A
h
Interface Label Short string Read-Only
Instance Services Id Name
0E
h
Get_Attribute_Single
10
h
Set_Attribute_Single