Levelone GES-0852 User Manual download pdf (Page 10)

Functional Description

Jumbo Frame

With Jumbo Frame supported, it is allowed for the switch to transport identical data in

fewer frames. Hence helps to ensure fewer overheads, shorten processing time, and

reduce interrupts.

Note: To enable Jumbo Frame, Flow Control should be enabled in advance.

Flow Control and Back Pressure

Flow Control and Back Pressure both contributes for lower and higher speed devices

to communicate to each other hence ensures the correctness of data transmitting.

The 802.3x Flow Control and Back Pressure mechanisms work respectively for full

and half duplex modes. Flow Control can be enabled or disabled on a per-port basis.

Mirror

The Mirror function provides network administrator to monitor the traffic. By

forwarding a copy of the packets that received or transferred by the monitored port,

the sniffer port received all the packets and hence is able to monitor the traffic of the

specified port.

VLAN

With VLAN supported, the network can be segmented in groups to reduce the

collisions from widely broadcasting. The device supports both port-based VLAN and

802.1Q tag-based VLAN. Port-based VLAN classifies incoming packets to VLANs

according to their ingress port. The 802.1Q based VLAN add a tag to the header of

the packet to classify their VLANs.

Trunk (Aggregation)

The Trunk functionality integrates several ports to enlarge the bandwidth that helps to

boost the backbone connectivity. The switch allows the Maximum 4 group and 8

members for each group.

Quality of Service (QoS)

The QoS service classifies packets into different precedence. The packets are

transmitted and received by their classified priorities. This mechanism helps high

bandwidth demanded applications such as VoIP to get an unobstructed connection.

SNMP

This device is SNMP(Simple Network Management Protocol)-management

supported. This allows this product to be monitored or inspected by a SNMP

management station.

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Levelone GES-0852 User Manual Page 10