Hirschmann RS20 User Manual page 166

Network Load Control
T = with TAG field (T = tagged)
U = without TAG field (U = untagged)
In this example, tagged frames are used in the communication between
the transmission devices (uplink), as frames for different VLANs are
differentiated at these ports.
Terminal Port Port VLAN
identifier (PVID)
A 1 2
B 2 3
C 3 3
D 4 2
Uplink 5 1
Table 18: Ingress table for device on left
Terminal Port Port VLAN
identifier (PVID)
Uplink 1 1
E 2 2
F 3 3
G 4 2
H 5 3
Table 19: Ingress table for device on right
VLAN ID Port
1 2
1
2 U
3 U
Table 20: Egress table for device on left
VLAN ID Port
1 2
1 U
2 T U
3 T
Table 21: Egress table for device on right
166
3 4 5
U
U T
U T
3 4 5
U
U U
8.6 VLANs
Basic Configuration
Release 6.0 07/2010