EnGenius EGS7228P User Manual download pdf (Page 32)

L2 Features

The L2 Feature tab exhibits complete standard-based

Layer 2 switching capabilities, including: Link Aggregation,

802.1D single Spanning Tree Protocol, 802.1w Rapid

Spanning Tree Protocol, 802.1s Multiple Spanning Tree

Protocol, MAC Address Table, Internet Group Management

Protocol (IGMP) Snooping, Port Mirroring, 802.1ab Link

Layer Discovery Protocol (LLDP), and Multicast Listener

Discovery(MLD) snooping. Utilize these features to

conguretheSwitchtoyourpreferences.

Link Aggregation

A Link Aggregation Group (LAG) optimizes port usage by

linking a group of ports together to form a single, logical,

higher-bandwidth link. Aggregating ports multiplies the

bandwidthandincreasesportexibilityfortheSwitch.

Link Aggregation is most commonly used to link a

bandwidth intensive network device (or devices), such as

a server, to the backbone of a network.

The participating ports are called Members of a port

trunk group. Since all ports of the trunk group must

beconguredtooperateinthesamemanner,the

congurationoftheoneportofthetrunkgroupisapplied

to all ports of the trunk group. Thus, you will only need

tocongureoneofanyoftheportsinatrunkgroup.

Aspecicdatacommunicationpacketwillalwaysbe

transmitted over the same port in a trunk group. This

ensures the delivery of individual frames of a data

communication packet will be received in the correct

order.ThetrafcloadoftheLAGwillbebalancedamong

the ports according to Aggregate Arithmetic. If the

connectionsofoneorseveralportsarebroken,thetrafc

of these ports will be transmitted on the normal ports, so

as to guarantee the connection reliability.

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EnGenius EGS7228P User Manual Page 32