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The EIx0_MODE variable name is case insensitive, while its values are case sensitive! This is feature of OpenVMS EIDRIVER.
The values are:
| Parameter | Description |
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| "Auto" | Auto-negotiate (default) |
| "Twisted" | 10Mbps half duplex |
| "Full" | 10Mbps full duplex |
| "Fast" | 100Mbps half duplex |
| "FastFD" | 100Mbps full duplex |
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Parameter | Type | Value | ||
interface | Text string | This parameter identifies an Ethernet adapter of the host system dedicated to CHARON-AXP with a keyword "connection" preceeding it. Syntax:
Example:
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port_enable_mac_addr_change | Boolean | If "true" is specified (default value), CHARON-AXP sets the appropriate Ethernet address automatically. If "false" is specified, set the Ethernet address manually. 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. A 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 a port will attempt to transmit a packet before giving up. By default, the value is 3. Increasing this value may introduce problems in carrier loss logic, because not all NIC drivers support a carrier status query. Typically, you do not need to increase the value. Example:
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port_pending_rx_number | Numeric | The "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 | The "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 arising from non critical errors during a MAC address change, logging is by default suppressed (default value is "true"). To enable tracing during a MAC address change set this parameter to "false" Example:
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| legacy_mode | Boolean | If this parameter is set to "true" CHARON-AXP tries to use very first implementation of "packet_port" having certain restrictions such as inability to automatically change MAC address on given interface etc. This setting may be needed if CHARON-AXP runs in VMware environment for example. In other situations please do not change its default value ("false"). Example:
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Example:
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