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Overview
1-4 Introduction
1.1.4 Full Duplex Switched Ethernet
Each switched Ethernet port on the 6E233-49 SmartSwitch can be configured to operate in Full
Duplex Switched Ethernet (FDSE) mode. FDSE allows each port to provide up to 20 Mbps of
bandwidth.
1.1.5 SmartTrunk
SmartTrunk, also referred to as SmartTrunking, is Cabletron Systems’ terminology for load
balancing or load sharing. SmartTrunk technology provides an easy-to-implement mechanism to
group, or aggregate, multiple links of any technology together to scale the backbone bandwidth
beyond the limitations of a single link. All links are user-configurable so administrators can scale
the backbone bandwidth by adding SmartTrunk links. The benefits of SmartTrunking include the
following:
• All purchased bandwidth is used.
• Distributed, resilient links increase reliability and performance.
• Multiple technologies are supported within a single trunk for maximum flexibility.
1.1.6 Remote Monitoring (RMON)
The 6E233-49 SmartSwitch supports all nine Ethernet RMON groups, which include Statistics,
Alarms, Events and History. These groups are enabled on all ports by default.
Cabletron Systems RMON Actions is a vendor-specific extension of RMON and provides the
ability to set an “Action” on any SNMP MIB variable. The Action can be triggered by any RMON
Event and/or Alarm. An example of an Action would be to turn off a MIB-2 interface if a
broadcast threshold is crossed.
1.1.7 Broadcast Suppression
Broadcast Suppression enables a user to set a desired limit of receive broadcast frames per port/per
second to be forwarded out the other ports on the module up to the set limit. Any broadcast frames
above this specified limit are dropped. In the event that broadcast frames are being suppressed,
multicast and unicast frames continue to be switched.
NOTE
NOTE
NOTE
NOTE
For information on SmartTrunk configuration, refer to the Cabletron Systems
SmartTrunk User’s Guide
.