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This section describes the virtual Ethernet adapters attached to the virtual machine.  The following list describes the available options:

  • adapter – Specify model of virtual Ethernet adapter.
  • interface – Attach virtual Ethernet interface to host attached adapter.
  • mac – Specify virtual Ethernet adapter MAC address.

It is possible to configure between 1 and 4 virtual Ethernet adapters.  When specifying each of the adapters, the x in the section name should be replaced with a letter between a and d.  The configuration snippet below demonstrates the configuration of two virtual Ethernet adapters.

Example Ethernet Adapter Configuration

[ewa0]
interface = intbr0

[ewb0]
interface = intbr1
mac = 08-00-2b-aa-bb-cc

adapter 

Specify model of virtual Ethernet adapter.

Syntax

adapter = model

Description

By default the virtual network adapter is configured as a DE435.  This model was chosen at it is supported by almost all operating systems and versions supported on CHARON-AXP/SMA.  However, it is possible to configure an alternate model by specifying the optional adapter parameter.  The values for model and the ethernet adapters they emulate are listed in the table below.

Ethernet Controller Models
modelEmulated Ethernet Controller
DE435 DE435 EtherWORKS Turbo PCI Adapter
DE450 DE450 EtherWORKS Turbo PCI 10 Adapter
DE500 DE500-BA FastEtherWORKS 10/100 PCI Adapter

interface 

Attach virtual Ethernet interface to host attached adapter.

Syntax

interface = host-device

Description

The interface option is used to attach the virtual Ethernet adapter to a physical host adapter.

mac 

Specify virtual Ethernet adapter MAC address.

Syntax

mac = aa-bb-cc-dd-ee-ff

Description

 

This optional parameter can be used to force the physical address of the network adapter to a certain address.  This can be particularly relevant in the case where a software product may be licensed against the network adapter of a native Alpha system.

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