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  1. Load network adapter (if required)

    If you are configuring a DEQNA, DESQA, DELQA, DEUNA, DELUA, DEMNA, DEBNI or PMADAA adapter, use the "load" command as shown below. CHARON-VAX 3100/96/98 and 4000/106/108 emulations automatically load SGEC (with the name "eza") and therefore no "load" command is required.

    Example:

    load DELQA/DEQNA NIC

  2. Load "packet_port" or "tap_port" 

    Load "packet_port" or "tap_port" to connect the SGEC, DEQNA, DESQA, DELQA, DEUNA, DELUA, DEMNA, DEBNI or PMADAA adapter to the host hardware network card (or to a virtual network interface).

    Example:

    load packet_port/chnetwrk NDIS interface = "eth0"

  3. Connect the loaded "packet_port" ("tap_port") to the loaded virtual network adapter

    Connect the SGEC, DEQNA, DESQA, DELQA, DEUNA, DELUA, DEMNA, DEBNI or PMADAA adapter to the "packet_port" ("tap_port") by setting the interface name.

    Example: 

    set NIC interface = NDIS
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Info

The interface name can be either "(disabled)" for a disabled interface or "<network interface name>"

Examples:

load packet_port/chnetwrk NIC1 interface="(disabled)"

load packet_port/chnetwrk NIC2 interface="ens33"

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Parameterstation_address
Type

Text String

Value

"station_address" provides the ability to configure the adapter’s permanent address. By default the adapter’s permanent address is read from the host system’s NIC.

Set the "station_address" when you need to configure a satellite (remotely booted) system that will run DECnet or when the migrated software uses the permanent address on the network adapter.

Format:

XX-XX-XX-XX-XX-XX

or

XX:XX:XX:XX:XX:XX

Example:

set eza station_address="AF:01:AC:78:1B:CC"
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rx_fifo_size

Parameter

rx_fifo_size

TypeNumeric
Value

"rx_fifo_size" sets the receive FIFO size.

The value is specified in Kb and by default is pre-calculated from the connected port’s size of receive queue.

Typically, you do not need to change the "rx_fifo_size" parameter. It is available for extended tuning and bug hunting purposes.

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Parameteraddress
TypeNumeric
Value

Specifies the CSR address. The address must be a valid QBUS and UNIBUS address in I/O space. Initial value is 017774440 which is the factory setting for DEQNA, DESQA and DELQA Ethernet controllers.

Use the address parameter if loading several instances of DEQNA, DESQA, DELQA, DEUNA and DELUA.

"address" parameter value must be unique for every instance of DEQNA, DESQA, DELQA, DEUNA and DELUA.

Example:

load DEQNA/DEQNA XQA address=017774440
load DEQNA/DEQNA XQB address=017764460
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interface

Parameterinterface
Type

Text String

Value

Name of corresponding instance of "packet_port" or "tap_port" component

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Back to Table of Contents

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DEMNA Ethernet Adapter

CHARON-VAX/66X0 systems provide support for the DEMNA Ethernet controller.

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