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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


(warning) Network booting is supported with exception of VAX6xxx models.

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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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Example:


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load packet_port/chnetwrk EZA0 interface = "eth0"

set EZA interface = EZA0

set EZA station_address="0C:FE:35:AA:67:3B"


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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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Example:


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load DESQA/DEQNA QNA interface = QNA0

set QNA station_address="0C:FE:35:AA:67:3B"

load packet_port/chnetwrk QNA0 interface = "eth0"


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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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Example:


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load DEMNA/DEMNA EXA xmi_node_id = 11 interface = EXA0

set EXA station_address = "0C:FE:35:AA:67:3B" 

load packet_port/chnetwrk EXA0 interface = "eth0"


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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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Example:


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load DEBNI/DEMNA EXA vax_bi_node_id = 11 interface = EXA0

set EXA station_address = "0C:FE:35:AA:67:3B"

load packet_port/chnetwrk EXA0 interface = "eth0"


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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.

 


Example:


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load PMADAA/PMADAA ECA interface = ECA0

set ECA station_address = "0C:FE:35:AA:67:3B"

load packet_port/chnetwrk ECA0 interface = "eth0"

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Parameter

port_pending_tx_number

TypeNumeric
Value

"port_pending_tx_number" parameter sets the number of buffers the port uses to transmit.

The default value is 62.

You may want to increase the "port_pending_tx_number" value if the log file indicates dropped TX packets due to TX queue overflow.

Typically, you do not need to change this parameter.

Example:

set pp_1 port_pending_tx_number=128


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log

Parameter

log

TypeText string
Value

If this parameter is set to some valid file name or a directory where the log files for each individual session will be stored CHARON logs Recv and Xmit packets at the emulated port layer.

If an existing directory is specified, CHARON automatically enables creation of individual log files, one for each session using the same scheme as used for the generation of the rotating log files. If the "log" parameter is omitted, CHARON does not create log.

In certain situations enabling this parameter may help to detect loss of packets.

Example:

set pp_1 log="pp_1.log"


set pp_1 log="/charon/logs"


Note

Only existing directory can be used as a value of the "log" parameter.



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Info

"tap_port" parameters are the same as "packet_port" ones

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Supported Ethernet Q-bus Adapters for DECnet OSI (DECnet Plus)

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