-27-
3.2.1
Ethernet Header
The source IP is 192.168.1.201 by default. The destination IP address is 255.255.255.255 and in broadcast form.
GPS Ethernet Header: 42 bytes
Field
Bytes
Description
Ethernet II MAC
12
Destination: broadcast (0xFF: 0xFF: 0xFF: 0xFF: 0xFF: 0xFF)
Source: (xx:xx:xx:xx:xx:xx)
Ethernet Data Packet Type
2
0x08, 0x00
Internet Protocol
20
Shown in the figure below
UDP Port Number
4
UDP source port (0x2710, represents 10000)
Destination port (0x277E, represents 10110)
UDP Length
2
0x208, representing 520 bytes (8 bytes more than the size of the GPS UDP Data, shown in Figure 3.1)
UDP Checksum
2
-
Figure 3.3 GPS Ethernet Header - Internet Protocol
