IWSVA acts as a bridge between network devices such as routers and switches. IWSVA scans passing HTTP and FTP traffic without the need to modify your browser or network settings. This is the easiest deployment mode with traffic being scanned in both directions. and Transparent Bridge Mode - High Availability are also the only deployment modes that allow for the Application Control reporting and policies to function. For these reasons, Trend Micro strongly recommends deploying the product in this mode to realize maximum visibility and protection for Internet traffic.

The additional dependency for this deployment mode is two network interface cards per transparent bridge segment protected with IWSVA. Trend Micro recommends the following network cards be used to ensure maximum compatibility: