Cisco Cisco Firepower Management Center 4000 Entwickleranleitung

Version 5.3

Sourcefire 3D System eStreamer Integration Guide

537

Understanding Legacy Data Structures

Legacy Discovery Data Structures

Appendix B

The 

 table describes the fields of the Attribute 

Address data block.

Legacy Client Application Data Blocks

For more information, see the following sections:

Byte

0

1

2

3

Bit

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Attribute Address Block Type (38)

Attribute Address Block Length

Attribute ID

IP Address

Bits

Attribute Address Data Block Fields 

Attribute 

Address 

Block Type

uint32

Initiates an Attribute Address data block. This 

value is always 38.

Attribute 

Address 

Block Length

uint32

Number of bytes in the Attribute Address data 

block, including eight bytes for the attribute 

address block type and length, plus the number 

of bytes in the attribute address data that follows.

Attribute ID

uint32

Identification number of the affected attribute, if 

applicable. 

IP Address 

uint8[4]

IP address of the host, if the address was 

automatically assigned, in IP address octets.

Bits

uint32

Contains the significant bits used to calculate the 

netmask if an IP address was automatically 

assigned.