H3C Technologies H3C S3100 Series Switches User Manual
Page 369

Operation Manual – ARP
H3C S3100-52P Ethernet Switch
Chapter 1 ARP Configuration
1-2
Table 1-1
Description on the fields of an ARP packet
Field
Description
Hardware Type
Identifies the type of the hardware
interface. Refer to Table 1-2 for the
information about the field values.
Protocol type
Identifies the type of the protocol used
by the sending device. Normally, the
field takes the value of 1 in TCP/IP
networks, which stands for EtherType.
Length of the hardware address
Hardware address length (in bytes)
Length of protocol address
Protocol address length (in bytes)
Operator
Indicates the type of a data packets,
which can be:
z
1: ARP request packets
z
2: ARP reply packets
z
3: RARP request packets
z
4: RARP reply packets
Hardware address of the sender
Hardware address of the sender
IP address of the sender
IP address of the sender
Hardware address of the receiver
z
For an ARP request packet, this field
is null.
z
For an ARP reply packet, this field
carries the hardware address of the
receiver.
IP address of the receiver
IP address of the receiver
Table 1-2
Description on the values of the hardware type field
Value
Description
1 Ethernet
2 Experimental
Ethernet
3 X.25
4
Proteon ProNET (Token Ring)
5 Chaos
6 IEEE802.X
7 ARC
network