
VLAN
VLAN – Configuration
Microsemi PDS-408G Web Management User Guide Ver. 1.0.1, 03-2019
38
Term
Description
VLAN encapsulation
tagging is also referred as
Q-in-Q or 802.1ad
Allowed
VLANs/
Forbidden
VLANs
- Mode =
Trunk
- Mode =
Hybrid
Switch port in Trunk or Hybrid mode can be configured to
discard packets from specific VLAN-IDs, and must be
configured to accept the VLAN-IDs in use.
Switch port
config
Access-
Mode
- Port
VLAN=5
The figure to the right highlights in green
the VLAN configuration parameters to be
set when configuring Switch ports to
Access mode. Please verify that Port
VLAN-ID is included in the
Allowed
Access Vlans
configuration field VLANs
list.
Used usually to connect end devices
Receive native VLAN packets (no
VLAN)
Receive Priority VLAN (VLAN-0)
packets
Receive VLAN packets with VLAN-ID
same as Access VLAN-ID (VLAN-5 as
in this example)
Transmit only native VLAN packets
(removes the VLAN-ID tag - no VLAN)
Switch port
config
Trunk-Mode
- Port
VLAN=5
Used to connect between Switches. May use multiple VLANs
between Switches
Egress Tag configuration parameter = untag Port VLAN
o
Rx native VLAN (no VLAN) as VLAN-5
o
Rx VLAN priority tag (VLAN-0) as VLAN-5
o
Tx tag all packets except VLAN-5. For example, a packet
received from another port configured as Access Port VLAN-
5, will be transmitted untagged.
Egress Tag configuration parameter = Tag All
o
Rx native VLAN (untagged packets) is discarded.
o
Rx VLAN priority tag (VLAN-0) is discarded.
o
Tx all packets as VLAN tagged
Switch Port
- Access Mode
- Port VLAN=5
-Rx Native
-Rx Priority-VLAN
-Rx VLAN-5
-Tx Native