Hirschmann MACH 4000 User Manual

Network load control
Basic - L3P
Release 4.0 11/07
8.4 QoS/Priority
19
Note: Network protocols and redundancy mechanisms use the highest traffic
classes 3 (RS20/30/40, MS20/30, MACH 1000, OCTOPUS) and 7 (Power
MICE, MACH 4000). Therefore, you select other traffic classes for applica-
tion data.
Figure 37: Ethernet data packet with tag
Figure 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
Seque
nce 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

Hirschmann MACH 4000 Specifications

General

Brand	Hirschmann
Model	MACH 4000
Category	Network Router
Language	English