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Old 05-06-2008
What can you do with a second Ethernet port?
Tue, 06 May 2008 15:00:00 GMT
Purchase a new PC or motherboard soon, and the chances are good that it will come with two built-in network interfaces -- either two Ethernet jacks or one Ethernet and one Wi-Fi. Tossing in a second adapter is an inexpensive way for the manufacturer to add another bullet point to the product description -- but what exactly are you supposed to do with it? If you are running Linux, you have several alternatives.


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LEARN ABOUT DEBIAN

bpqparms

BPQPARMS(8)						   Linux System Managers Manual 					       BPQPARMS(8)

NAME

       bpqparms - Configure BPQ ethernet devices.

SYNOPSIS

       bpqparms device [-a ethaddr] [-d ethaddr] [-vV]

DESCRIPTION

       Bpqparms  allows  the  setting  of  the	BPQ  Ethernet  options for a particular device. Each BPQ Ethernet device appears as a device named
       bpq0...bpqN which overlays the original Ethernet device, usually eth0...ethN. This device is an AX.25 device driver and allows AX.25 frames
       to be transmitted over an Ethernet to another machine using the same protocol. The default for the device is to send and receive BPQ Ether-
       net packets to the broadcast address. This program replaces the previous "axparms -dev" option.

OPTIONS

       -a ethaddr     Allows the setting of which ethernet address will be accepted by the BPQ Ethernet device.

       -d ethaddr     If specified on its own, will set the destination ethernet address will be used for transmitting and for	receiving  of  BPQ
		      ethernet packets. An address of "broadcast" sets it to the ethernet broadcast address.

       -v	      Displays the version number.

       -V	      The original version messages.

SEE ALSO

       ax25(4), axports(5), ifconfig(8).

AUTHOR

       Joerg Reuter DL1BKE <jreuter@poboxes.com>

Linux								 4 September 1996						       BPQPARMS(8)