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2-22.2 Protocol -based VLAN
This section describe Protocol -based VLAN, The Switch support Protocol include
Ethernet LLC SNAP Protocol,
LLC
The Logical Link Control (LLC) data communication protocol layer is the upper
sub-layer of the Data Link Layer (which is itself layer 2, just above the Physical Layer) in
the seven-layer OSI reference model. It provides multiplexing mechanisms that make it
possible for several network protocols (IP, IPX, Decent and Appletalk) to coexist within
a multipoint network and to be transported over the same network media, and can
also provide flow control and automatic repeat request (ARQ) error management
mechanisms.
SNAP
The Subnetwork Access Protocol (SNAP) is a mechanism for multiplexing, on networks
using IEEE 802.2 LLC, more protocols than can be distinguished by the 8-bit 802.2
Service Access Point (SAP) fields. SNAP supports identifying protocols by Ethernet type
field values; it also supports vendor-private protocol identifier spaces. It is used with
IEEE 802.3, IEEE 802.4, IEEE 802.5, IEEE 802.11 and other IEEE 802 physical network
layers, as well as with non-IEEE 802 physical network layers such as FDDI that use 802.2
LLC.
2-22.2.1 Protocol to Group
This page allows you to add new protocols to Group Name (unique for each Group)
mapping entries as well as allow you to see and delete already mapped entries for the
selected stack switch unit switch.
Web Interface
To configure Protocol -based VLAN configuration in the web interface:
1. Click Protocol -based VLAN configuration and add new entry.
2. Specify the Ethernet LLC SNAP Protocol and Group Name.
3. Click Apply.
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