Lantronix LSB4, Installation Manual

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LSB4 Installation Guide Introduction
1-3
Introduction
Introduction
In the Local Area Network without a switch [Figure 1-1], incoming pack-
ets are examined by all hosts connected to the network. In the Local Area
Network with the LSB4 installed, the only traffic on the Sun segment of the
switch will be between the Suns plus any traffic specifically directed to a
VAX or directed to a Sun from a VAX. The same applies to the VAX seg-
ment of the network.
Management of Packet Traffic
The LSB4 does not add or change any of the information in the packets that
passes through the switch. However, it can be configured to regulate the
passage of certain packet traffic through the use of
filters . Filters prevent
the passage of particular packets from one segment to another.
For more information about filters, see the Filter Commands chapter of
the LSB4 Reference Manual.
Initial LSB4 Configuration
When the switch boots up, it will be configured in the following manner:
♦
Automatic filtering and forwarding of packets will
take place. To customize packet filtering, see the
Filter
Commands chapter of the LSB4 Reference Manual.
♦
The Spanning Tree Algorithm will be enabled. This
can be disabled or customized to particular needs; see
Appendix B,
Spanning Tree Algorithm for more infor-
mation.
To view diagnostic information as the LSB4 boots up, a terminal must be
connected to the LSB4. A serial cable is shipped with the switch; this may
be used to connect a terminal to the serial console port.
NOTE