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        The Digi Intl. RightSwitch SE-X (dgrs) Device Driver

This is a Linux driver for the Digi International RightSwitch SE-X
EISA and PCI boards.  These are 4 (EISA) or 6 (PCI) port ethernet
switches and a NIC combined into a single board.  This driver can
be compiled into the kernel statically or as a loadable module.

There is also a companion management tool, called "xrightswitch".
The management tool lets you watch the performance graphically,
as well as set the SNMP agent IP and IPX addresses, IEEE Spanning
Tree, and Aging time.  These can also be set from the command line
when the driver is loaded.  The driver command line options are:

        debug=NNN               Debug printing level
        dma=0/1                 Disable/Enable DMA on PCI card
        spantree=0/1            Disable/Enable IEEE spanning tree
        hashexpire=NNN          Change address aging time (default 300 seconds)
        ipaddr=A,B,C,D          Set SNMP agent IP address i.e. 199,86,8,221
        iptrap=A,B,C,D          Set SNMP agent IP trap address i.e. 199,86,8,221
        ipxnet=NNN              Set SNMP agent IPX network number
        nicmode=0/1             Disable/Enable multiple NIC mode

There is also a tool for setting up input and output packet filters
on each port, called "dgrsfilt".

Both the management tool and the filtering tool are available
separately from the following FTP site:

        ftp://ftp.dgii.com/drivers/rightswitch/linux/

When nicmode=1, the board and driver operate as 4 or 6 individual
NIC ports (eth0...eth5) instead of as a switch.  All switching
functions are disabled.  In the future, the board firmware may include
a routing cache when in this mode.

Copyright 1995-1996 Digi International Inc.

This software may be used and distributed according to the terms
of the GNU General Public License, incorporated herein by reference.

For information on purchasing a RightSwitch SE-4 or SE-6
board, please contact Digi's sales department at 1-612-912-3444
or 1-800-DIGIBRD.  Outside the U.S., please check our Web page at:

        http://www.dgii.com

for sales offices worldwide.  Tech support is also available through
the channels listed on the Web site, although as long as I am
employed on networking products at Digi I will be happy to provide
any bug fixes that may be needed.

-Rick Richardson, rick@dgii.com