DUA1840-0AAA01
Switch Operation and Features
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Switch Operation and Features

How the Switch Compares to a Bridge

The table below shows how Switch 1005 operation compares to that of

a

n

IEEE 802.1D bridge:

In all other ways, MSH Switch 1005 and bridge operation is identical.

Forwarding of Packets

The table below shows how a packet is processed when it arrives at the

Switch 1005

:

IEEE 802.1D Bridge
Switch 1005
Address Learning
All ports
All ports except backbone.
Forwarding Mode
Store-and-forward
Fast Forward, Fragment
Free, Store and Forward, or
Intelligent
Operation when packet
buffers full
Discard packets
Invoke Intelligent Flow
Management to suppress
transmissions at source
Spanning Tree
Supported
Not supported
Action on Unknown
Destination Address
Flood all ports
Forward to backbone port
only
Database size
Variable
500 addresses
Packet Source
Destination Address
Action
Any port EXCEPT backbone port
(Unicast packet)
Unknown
Forward to backbone
port only
Any port EXCEPT backbone port
(Unicast packet)
Same port as source
address
Filter (discard)
Any port EXCEPT backbone port
(Unicast packet)
Another port (not
backbone port)
Forward to specific port
only