User Guide

Overview of the TokenSpeed Module
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Filtering
The TokenSpeed module has the following filtering features:
• Support for NetBIOS name filters, datagram broadcast filters, and a name
query interval
• Filtering for any pattern up to 12 bytes wide in the first 255 bytes of a frame
• Per-port filter configuration
Caching and Proxy
The TokenSpeed module has the following caching and proxy features:
• Caching for NetBIOS names to reduce NetBIOS name broadcast packets
(Each switch can cache up to 500 NetBIOS names.)
• Caching for Route Information Field (RIF) to speed up the explorer process
and reduce broadcasts (Each switch can cache up to 500 unique RIFs.)
• Cache capacity of up to 128 RIFs for source route explorer proxy and
5120 media access control (MAC) addresses
• Cache capacity of up to 10,240 MAC addresses in the MCP station table
Fault Tolerance
The TokenSpeed module has the following fault-tolerance features:
• Ability to install, remove, and replace a module in an operational chassis
(hot-swap)
• Flash memory download with storage for two configurations on the
TokenSpeed/MCP module
• Software update and management access over the network or a serial
connection to the TokenSpeed/MCP module
Network Management
The TokenSpeed/MCP module provides the following network management
features for the TokenSpeed module and other modules in a Centillion switch:
• Simple Network Management Protocol (SNMP) agent with Centillion
Management Information Base (MIB) extensions
TKNSPD.BK Page 3 Thursday, July 17, 1997 11:43 AM