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12

01

Command, a Get Device ID response

13

00

message data

14

00

message data

15

00

message data

16

01

message data

17

05

message data

18

51

message data

19

29

message data

20

57

message data

21

01

message data

22

00

message data

23

00

message data

24

09

message data

25

01

message data

26

01

message data

27

00

message data

28

00

message data

29

94

Checksum for the entire message

That’s it, the Send Message response contains all the data.

Separate Send Message and IPMB responses

In this possibility, a Send Message response comes back with no data and the Send Message header data in the response header, then a separate message comes back with the IPMB parameters in the header. For instance, in the first message the source is the BMC, in the second message the source is the IPMB sender.

The following is the first message, the Send Message response, from this format:

5

34

6

00

7

20

8

1E

The command, a Send Message response in this case. Completion code IPMB Destination address (the BMC’s IPMB address) IPMB Requester LUN in bits 0-1 (2 in this case), Send Message response NetFN in bits 2-7 (7 in this case) Checksum for the previous two bytes Responder IPMB address Requester LUN in bits 0-1 (0 in this case), Sequence number in bits 2-7 (2fh in this case).

41

9

C2

10

C0

11

BC

3.4. BRIDGING

Byte Value Description

2

63

3

20

0

81

1

1c

Requester Address LAN Requester LUN in bits 0-1 (0 in this case), Send Message response NetFN in bits 2-7 (7 in this case) Checksum for the previous two bytes Responder Address

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