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17 VLANs
17.1 Description of the basic VLAN functionality
This section provides an overview of VLANs.
17.1.1 VLAN type
The following table describes the types of VLAN supported by the Switch.
Table 17-1 Supported VLAN types
Item
Port VLAN
Protocol VLAN
MAC VLAN
17.1.2 Port type
(1) Description
The VLANs that can be used by the Switch differ depending on the port settings. The type
of each port needs to be set according to the type of VLAN to be used. The following table
describes the types of ports.
Table 17-2 Port type
Port type
Access port
Protocol port
MAC port
Trunk port
The table below describes the types of VLANs that can be used for each port type. Trunk
ports that handle all VLAN tags can use the same port on all VLANs.
252
Overview
Divides a VLAN group by port.
Divides a VLAN group by protocol.
Divides a VLAN group by source MAC address.
Overview
Handles an untagged frame as a port VLAN.
With this port, all untagged frames are handled as a single port
VLAN.
Handles an untagged frame as a protocol VLAN.
With this port, the VLAN is determined by the frame protocol.
Tagged frames received on this port are discarded.
Handles an untagged frame as a MAC VLAN.
With this port, the VLAN is determined by the source MAC
address in the frame.
Handling of a tagged frame received on this port depends on the
configuration setting. For details, see 17.7.4 Optional
functionality of MAC ports.
Handles all VLAN types as tagged frames.
With this port, the VLAN is determined by the VLAN tag.
An untagged frame received on this port is handled on a native
VLAN.
VLANs used
Port VLAN
MAC VLAN
Protocol VLAN
Port VLAN
MAC VLAN
Port VLAN
Port VLAN
Protocol VLAN
MAC VLAN
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