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Introduction 7
Rapier Switch Software Release 2.2.1
C613-02013-00 Rev A
What Can the Rapier Switch Do?
The Rapier switch software support for the Rapier Series switches and their
expansion options provides wirespeed Layer 2 switching, including support
for Virtual LANs, wirespeed Layer 3 IP switching, and Layer 3 multiprotocol
routing.
Switching Features
The main Layer 2 features of the switch are:
■
High performance, non-blocking, wire-speed Layer 2 switching (“Layer 2
Switching Process” on page 43).
■
Packet Forwarding at wire speed (“The Forwarding Process” on page 45).
■
Store and Forward switching mode.
■
Autonegotiation of link speed and duplex mode for 10/100 Mbps speed on
all 100BASE TX ports (“Autonegotiation of Port Speed and Duplex Mode” on
page 29).
■
Autonegotiation of duplex mode for 10/100 and gigabit Ethernet ports
(“Autonegotiation of Port Speed and Duplex Mode” on page 29).
■
Automatic, configurable MAC address learning and ageing, supporting up
to 8191 MAC addresses per switch (“The Learning Process” on page 44).
■
Switch Filtering (“Layer 2 Filtering” on page 46).
■
Layer 3 Filtering (Switching chapter in Rapier Switch Software Reference).
■
Broadcast Storm Protection (“Packet Storm Protection” on page 32).
■
Virtual LANs defined by port membership (“Virtual LANs” on page 35).
■
Spanning Tree Protocol (“Spanning Tree Protocol (STP)” on page 49).
■
Priority tagging to support four QOS egress queues (“Quality of Service” on
page 48).
■
Port trunking to spread traffic over several links (“Port Trunking” on
page 30).
■
Port mirroring (“Port Mirroring” on page 33).
■
IGMP (Internet Group Management Protocol) snooping (“IGMP Snooping”
on page 56).