CDRouter Support


testvar version 10.7

Value Type


Default Value



This option specifies the network interface CDRouter will use as its primary LAN test interface. This interface must be physically connected to one of the DUT’s LAN interfaces. Any Ethernet network interface that is properly installed in the Linux host system may be used. Certain 802.11 a/b/g/n wireless network interfaces may also be used. Please contact for more information on selecting and installing a suitable wireless network interface for use with CDRouter.

Note that all network interfaces used by CDRouter must be configured with a static IP address of in the Linux host system. CDRouter will automatically configure the IP addresses of all test interfaces based on the configuration options specified here. Please see this Knowledge Base article for more information.

For certain device types and test setups a LAN test interface is not required. Beginning in CDRouter 9.2, the LAN test interface may be disabled by setting this testvar to the keyword none.



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CDRouter is made by QA Cafe, a technology company based in Portsmouth, NH.

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