Cabletron Systems STS16-20R Switch User Manual


 
10
SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide Introduction
Features and Specifications
This section lists important switch features as well as technical specifications.
Features
Performance and Advanced Features
Three switching modes:
Low latency cut through
Store and corward
Auto (Adaptive cut-through)
Enhanced bridging modes:
Transparent bridging
Source route switching
Source route bridging (SRB)
Source route transparent bridging (SRT)
Support for duplicate MAC address schemes
Automatic port sensing of operating mode and media speed
Multiple Token Ring port operation modes:
Half-duplex concentrator and station
Full-duplex concentrator and station (Dedicated Token Ring)
RI/RO-like connection (SmartStack STS16-20R only)
Spanning tree protocol support on SmartStack STS16-20D for the designated
network ports 1720 and on SmartStack STS16-20R for all the ports 120:
IEEE 802.1D
IBM Spanning Tree Protocol
On SmartStack STS16-20D the workstation ports 116 will always be in
forwarding state. They are not affected by the spanning tree protocol.
CrossLink high-speed inter-switch connection
On SmartStack STS16-20D up to 128 Mbps using the network ports 17
20. On SmartStack STS16-20D the workstation ports 116 do not support
CrossLinks.