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The built-in SGEC controller emulator ("eza") has the following parameters that are specified with the "set" command:
Parameter | Type | Value | |||
interface | Text String | Name of corresponding instance of "packet_port" or "tap_port" component | |||
| station_address | Text String | "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:
or
Example:
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rx_fifo_size | Numeric | "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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DEQNA, DESQA, DELQA, DEUNA and DELUA offer the following configuration parameters that can be specified with "set" command:
Parameter | Type | Value | |||
address | Numeric | 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:
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interface | Text String | Name of corresponding instance of "packet_port" or "tap_port" component | |||
| station_address | Text String | "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:
or
Example:
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rx_fifo_size | Numeric | "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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DEMNA Ethernet controller offers the following configuration parameters that can be specified with "set" command:
Parameter | Type | Value | |||
| xmi_node_id | Number | Specifies the XMI slot in which the virtual DEMNA controller is placed. For CHARON-VAX/66X0 a free slot between 10 (A) and 14 (E) must be chosen. | |||
| interface | Text String | Name of corresponding instance of "packet_port" or "tap_port" component | |||
| station_address | Text String | "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 which will run DECnet or when the migrated software uses the permanent address on the network adapter. Format:
or
Example:
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rx_fifo_size | Numeric | "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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Parameter | Type | Value | |||
vax_bi_node_id | Number | Specifies the VAXBI slot in which the virtual DEBNI controller is placed. | |||
interface | Text String | Name of corresponding instance of "packet_port" or "tap_port" component | |||
| station_address | Text String | "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 which will run DECnet or when the migrated software uses the permanent address on the network adapter. Format:
or
Example:
| |||
rx_fifo_size | Numeric | "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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PMAD-AA TurboChannel Ethernet controller offers the following configuration parameters that can be specified with "set" command:
Parameter | Type | Value | |||
interface | Text String | Name of corresponding instance of "packet_port" or "tap_port" component | |||
| station_address | Text String | "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 which will run DECnet or when the migrated software uses the permanent address on the network adapter. Format:
or
Example:
| |||
rx_fifo_size | Numeric | "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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"packet_port" offers several configuration parameters controlling its behavior.
Parameter | Type | Value | ||
interface | Text string | This parameter Identifies an Ethernet adapter of the host system dedicated to CHARON-VAX. Syntax:
Example:
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port_enable_mac_addr_change | Boolean | If "true" is specified, CHARON sets the appropriate Ethernet address automatically. If "false" is specified, set the Ethernet address manually. The default value is "true". Example:
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port_ignore_on_rx | Numeric | The "port_ignore_on_rx" parameter provides the ability to shutdown the port when a specified number of sequential "on receive" errors is exceeded. Typically, errors on receive indicate serious (unrecoverable) errors. By default, the value is set to the value of the "port_pending_rx_number" parameter. Value of ‘0’ means infinite. Example:
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port_retry_on_tx | Numeric | The "port_retry_on_tx" parameter controls the number of times the port will attempt to transmit the packet before giving up. By default, the value is 3. Increasing this value may introduce problems in carrier loosing logic because not all NIC drivers support carrier status query. Typically, you do not need to increase the value. Example:
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port_pending_rx_number | Numeric | "port_pending_rx_number" parameter sets the number of pending receive buffers. The default value is 63. The maximum value allowed is 195. You may want to increase the "port_pending_rx_number" when you have very busy networking and experience problems like losing connections not related to the carrier loss. Typically, you do not need to change this parameter. Example:
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port_pending_rx_number | Numeric | "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:
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suspend_msg_on_mac_change | Boolean | To avoid confusion arrising from non critical errors during MAC address change, by default, logging is suppressed (default value is "true"). To enable tracing during MAC address change set this parameter to "false" Example:
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