Does cPanel support multiple network interfaces?
cPanel does not currently support multiple network interfaces. However, there is an open feature request for this feature.
Add support for multiple network interfaces
You are encouraged to vote for the feature request if it describes the functionality you want in cPanel and WHM. The more votes that a feature request receives, the more likely the functionality will be added to a future version of cPanel by our developers.
Our feature request site is actively reviewed and curated by our development team to identify potential future build plans and to accept ideas and suggestions from our community.