Packets and Frames—Intel

®

82599 10 GbE Controller

Appendix A Packets and Frames

A.1 Legacy Packet Formats

A.1.1 ARP Packet Formats

A.1.1.1

4

6

4

2

6

1

1

2

2

8

2

# of bytes

6

6

4

Offset

28

32

38

20

22

18

19

14

16

12

12

0

6

12

ARP Request Packet

Field

Destination Address

Source Address

Possible VLAN Tag

Possible Len/LLC/SNAP Header

Type

HW Type

Protocol Type

Hardware Size

Protocol Address Length

Operation

Sender HW Address

Sender IP Address

Target HW Address

Target IP Address

Value (In Hex)

0806

0001

0800

06

04

0001

-

-

-

ARP IP address

Action

Compare

Compare

Compare

Stored

Stored

Ignore

Compare

Compare

Stored

Stored

Stored

Compare

Compare

Compare

331520-004 1017

Intel

®

82599 10 GbE Controller—Packets and Frames

A.1.1.2

6

4

6

4

1

2

2

1

2

2

4

8

# of bytes

6

6

Offset

22

28

19

20

32

38

16

18

12

14

12

12

0

6

ARP Response Packet

Field

Destination Address

Source Address

Possible VLAN Tag

Possible Len/LLC/SNAP Header

Type

HW Type

Protocol Type

Hardware Size

Protocol Address Length

Operation

Sender HW Address

Sender IP Address

Target HW Address

Target IP Address

Value

ARP Request Source Address

Programmed from EEPROM or BMC

From ARP Request

From ARP Request

0x0806

0x0001

0x0800

0x06

0x04

0x0002

Programmed from EEPROM or BMC

Programmed from EEPROM or BMC

ARP Request Sender HW Address

ARP Request Sender IP Address

Offset

16

18

19

20

22

12

14

0

6

A.1.1.3

1

1

2

2

# of bytes

6

6

2

2

6

Gratuitous ARP Packet

Field

Destination Address

Source Address

Type

Hardware Type

Protocol Type

Hardware Size

Protocol Address Length

Operation

Sender Hardware Address

Broadcast address.

0x0806

0x0001

0x0800

0x06

0x04

0x0001

Value

1018 331520-004