MEDIAGATEWAY User Manual
3.7.5 Difference between all RAW modes
Speed RAW is faster than RAW. Incoming Ethernet RAW frames are fixed to
EtherType: 0x1886
Extreme RAW is the fastest mode. It is only accepting RAW Frames with
EtherType 0x1887
3.7.6 Structure of a CANEthernet packet
3.7.6.1 Structure of UDP-Packet
Ethernet Header
(14 Bytes)
IP Header (20 Bytes)
Destination IP Address
(4 Bytes)
UDP Header (8 Bytes)
UDP Destination Port
(2 Bytes)
Payload (CAN packet)
(17 Bytes)
Table 3-2: Structure of UDP packet
The blue text modules are configurable by the user on CAN Function Tab
3.7.6.2 Structure of RAW-Packet
Destination MAC
address
(6 Bytes)
Source MAC address
(6 Bytes)
Payload (CAN packet)
(17 Bytes)
Table 3-3: Structure of UDP packet
The blue text modules are configurable by the user on CAN Function Tab
3.7.6.3 Structure of Payload from the UDP or RAW ethernet frame
The CAN packet is the payload of the UDP frame or RAW ethernet frame. The following
tables show the structure of this payload:
Table 3-4: Payload of CAN/Ethernet Packet