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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
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Network booting is supported with exception of VAX6xxx models.
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SGEC Ethernet Controller
The built-in SGEC controller emulator ("eza") has the following parameters that are specified with the "set" command:
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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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DEQNA / DESQA / DELQA Ethernet Controller
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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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DEMNA Ethernet Adapter
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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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DEBNI Ethernet Adapter
CHARON-VAX/63X0 systems provide support for the DEBNI Ethernet controller.
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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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PMAD-AA TurboChannel Ethernet Adapter
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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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Packet Port
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Packet Port
The CHARON-specific "packet_port" interface establishes a connection between an Ethernet adapter in the Linux host system and a network adapter in the virtual VAX system.
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| Parameter | port_pending_tx_number |
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| Type | Numeric |
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| 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 |
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| Type | Text string |
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| 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. |
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In certain situations enabling this parameter may help to detect loss of packets.
ExampleIf 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: |
log"...
set pp_1 log="/charon/logs" |
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Only existing directory can be used as a value of the "log" parameter. |
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"tap_port" parameters are the same as "packet_port" ones |
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| load DEQNA/DEQNA XQA
load packet_port/chnetwrk XQA0 interface="eth0"
set XQA interface=XQA0
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Supported Ethernet Q-bus Adapters for DECnet OSI (DECnet Plus)
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The integrated SGEC Ethernet "EZA" on MicroVAX 3100 & VAX 4000-106/108 is supported by DECnet OSI. The integrated ESA (AMD Lance 7990) device is not currently implemented in Charon-VAX. |
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Ethernet Q-bus Adapter and Cluster configuration rules
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The default DEQNA device is not supported for SCS Cluster protocol and the emulated VAX will fail with a CLUEXIT Bugcheck.
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