Hirschmann MACH 4002-48G - Page 137

Traffic control
Basic - L3P
Release 3.1 06/07
8.4 Prioritization
137
Fig. 37: Ethernet data packet with tag
Fig. 38: Tag format
t
min. 64, max. 1522 Octets
Preamble Field Start Frame Delimiter Field Destination Address Field Source Address Field Tag Field Data Field Length/Type Field Data Field Pad Field Frame Check
Sequence Field
42-1500 Octets 4246671
t
4 Octets
User Priority, 3 Bit Canonical Format Identifier
1 Bit
VLAN Identifier
12 Bit
Tag Protocol Identifier
2 x 8 Bit