270
GS748T Smart Switch
GS748T Switch Features and Defaults
Port Characteristics
Feature Sets Supported Default
Auto negotiation/static 
speed/duplex
All ports Auto negotiation
Auto MDI/MDIX N/A Enabled
802.3x flow control/back pressure 1 (per system) Disabled
Port mirroring 1 Disabled
Port trunking (aggregation) 8 Pre-configured
802.1D spanning tree 1 Disabled
802.1w RSTP 1 Disabled
802.1s spanning tree 3 instances Disabled
Static 802.1Q tagging  256 VID = 1
Member ports = 50
Learning process Supports static and dynamic MAC 
en
tries 
Dynamic learning is enabled by 
default
Traffic Control
Feature Sets Supported Default
Storm control  All ports Disabled 
Jumbo frame All ports Disabled
Max = 9216 bytes