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15.2 Supported functions
The table below describes the Layer 2 switch functionality supported by the Switch.
Some types of functionality can be combined, but others cannot. The limitations regarding
functionality combinations are shown below.
Table 15-1 Supported Layer 2 switch functionality
Supported functions
MAC address learning
VLAN
Port VLAN
Protocol VLAN
MAC VLAN
Default VLAN
Native VLANs
L2 protocol frame
transparency
Spanning Tree
PVST+
Protocol
Single Spanning Tree
Multiple Spanning Tree
Ring Protocol
IGMP snooping and MLD snooping
Inter-port relay blocking functionality
Overview of authentication VLAN functionality
The learning of MAC addresses registered in the MAC
address table
The division of switches into virtual internal groups by port
The division of switches into virtual internal groups by
protocol
The division of switches into virtual internal groups by
source MAC address
The VLAN to which anything not yet configured belongs
Another name for the port VLAN that handles untagged
frames on trunk ports, protocol ports, and MAC ports
The forwarding of frames with the Layer 2 protocol.
Spanning Tree Protocols (BPDUs) and IEEE 802.1X (EAP)
are forwarded.
The prevention of looping between switches at the VLAN
level
The prevention of looping between switches at the terminal
level
The prevention of looping between switches at the MST
instance level
The use of the ring topology to provide redundancy for
Layer 2 networks
The control of multicast traffic within a VLAN on a Layer 2
switch
The blocking of all communication between specified ports
15 Layer 2 Switching Overview
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