22.2 Support function
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.
Supported functions |
Overview of authentication VLAN functionality |
|
---|---|---|
MAC Address Learning |
The learning of MAC addresses registered in the MAC address table |
|
VLAN |
Port VLAN |
The division of switches into virtual internal groups by port |
Protocol VLAN |
The division of switches into virtual internal groups by protocol |
|
MAC VLAN |
The division of switches into virtual internal groups by source MAC address |
|
Default VLAN |
The VLAN to which ports belong by default when the configuration is not set |
|
Native VLANs |
Another name for the port VLAN that handles untagged frames on trunk ports, protocol ports, and MAC ports |
|
Tunneling |
The aggregation, and tunneling, of the VLANs of multiple users on another VLAN |
|
Tag translation |
The conversion of VLAN tags for forwarding to another VLAN |
|
L2 protocol frame transparency functionality |
The forwarding of frames with the Layer 2 protocol. Spanning tree (BPDU) and IEEE802.1X(EAP are transparent. |
|
Spanning Tree Protocols |
PVST+ |
The prevention of looping between switches at the VLAN level |
Single Spanning Tree |
The prevention of looping between switches at the terminal level |
|
Multiple Spanning Tree |
The prevention of looping between switches at the MST instance level |
|
Ring Protocol |
The use of the ring topology to provide redundancy for Layer 2 networks |
|
IGMP snooping and MLD snooping |
The control of multicast traffic within a VLAN on a Layer 2 switch |
|
Inter-port relay blocking functionality |
The blocking of all communication between specified ports |
- <Structure of this section>