ARP Header Configuration

Specifies the network link protocol type (e.g., Ethernet = 1)
0x0001
Specifies the internetwork protocol type
0x0800
Length of hardware address in bytes (6 for Ethernet MAC)
0x06
Length of protocol address in bytes (4 for IPv4)
0x04
Specifies the operation being performed
0x0001
MAC address of the sender (format: XX:XX:XX:XX:XX:XX)
IP address of the sender (format: XXX.XXX.XXX.XXX)
MAC address of the target (00:00:00:00:00:00 for requests)
IP address of the target

ARP Packet Visualization

ARP Header Structure
Hardware Type
0x0001
16 bits
Protocol Type
0x0800
16 bits
Hardware Length
0x06
8 bits
Protocol Length
0x04
8 bits
Operation
0x0001
16 bits
Sender Hardware
--:--:--:--:--:--
48 bits
Sender Protocol
---.---.---.---
32 bits
Target Hardware
--:--:--:--:--:--
48 bits
Target Protocol
---.---.---.---
32 bits

Packet Analysis

Total Header Size: 28 bytes

Packet Type: ARP Request

Valid Configuration: ✓ Valid