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Page 122
LGB5028A User‘s Manual
724-746-5500 | blackbox.com
Chapter 6: Configuration
3. Display MAC-based information.
Figure 6-56. The MAC-Based VLAN Membership Configuration for User Static screen.
Parameter Description
MAC Address: Indicate the MAC address.
VLAN ID: Indicate the VLAN ID.
Port Members: Port members of the MAC-based VLAN entry.
Auto-refresh: Check this box and the device will refresh the information automatically.
Upper right icon (Refresh): Click on this icon to refresh the MAC-based VLAN Membership information manually.
6.10.7 Protocol-Based VLAN
This section describes protocol-based VLAN. The switch supports Ethernet LLC protocol and sub-network access protocol (SNAP).
LLC: The Logical Link Control (LLC) data communications 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, DECnet, 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 Sub-network 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.
Protocol to Group
This page allows you to add new protocols to group name (unique for each group) mapping entries as well as enable you to see
and delete already mapped entries for the selected 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 “Save.”