User’s Manual of IGS-10020MT
4.6.10.1 Two separate 802.1Q VLAN
The diagram shows how the Industrial Managed Switch handle Tagged and Untagged traffic flow for two VLANs. VLAN Group 2
and VLAN Group 3 are separated VLAN. Each VLAN isolate network traffic so only members of the VLAN receive traffic from
the same VLAN members. The screen in
Figure 4-6-8
appears and
Table 4-1
describes the port configuration of the
Industrial
Managed Switch
.
Figure 4-6-8:
Two Separate VLAN Diagram
VLAN Group
VID
Untagged Members
Tagged Members
VLAN Group 1
1
Port-7 ~ Port-10
N/A
VLAN Group 2
2
Port-1,Port-2
Port-3
VLAN Group 3
3
Port-4,Port-5
Port-6
Table 4-1:
VLAN and Port Configuration
The scenario described as follow:
Untagged packet entering VLAN 2
1.
While
[PC-1]
transmit an
untagged
packet enters
Port-1
, the Managed Switch will tag it with a
VLAN Tag=2
.
[PC-2]
and
[PC-3]
will received the packet through
Port-2
and
Port-3
.
2.
[PC-4],[PC-5] and [PC-6] received no packet.
3.
While the packet leaves
Port-2
, it will be stripped away it tag becoming an
untagged
packet.
4.
While the packet leaves
Port-3
, it will keep as a
tagged
packet with
VLAN Tag=2
.
134