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By default the PCI Ethernet adapters use first available PCI slot. If instead some particular slot is needed, refer to this section for details of specific placement of PCI peripherals on CHARON-AXP PCI bus.
Network booting is not currently supported.
Configuration steps
To configure CHARON-AXP networking, follow these 3 steps:
Load network adapter (if required)
Use the "load" command as shown below.
Example:For DEC21040 adapters For Intel i8255x adapters load DE500BA/dec21x4x NICload DE602/i8255x NICNote In AlphaStation 400 configuration use the following syntax for network adapter loading:
load DE500AA/dec21x4x NIC irq_bus=isa By default each loaded virtual network adapter uses first available PCI slot. If instead some particular slot is neded, refer to this section for details of specific placement of PCI peripherals on CHARON-AXP PCI bus.Load "packet_port" or "tap_port"
Load "packet_port" or "tap_port" to connect network adapter to the host hardware network card (or to a virtual network interface).
Example:load packet_port/chnetwrk NDIS interface = "eth1"Connect the loaded "packet_port" ("tap_port") to the loaded virtual network adapter
Connect the network adapter to the "packet_port" ("tap_port") by setting the interface name.
Example:set NIC interface = NDIS
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The EIx0_MODE variable name is case insensitive, while its values are case sensitive! This is feature of OpenVMS EIDRIVER.
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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 | port_pending_tx_number | |
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| Type | Numeric | |
| Value | 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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log
| Parameter | log | ||||
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| Type | Text 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:
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Example
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