Cisco Certified Network Professional 2025 – 400 Free Practice Questions to Pass the Exam

The default bridge priority for Spanning Tree Protocol (STP) is indeed 32,768. This value is significant because the bridge priority is used by the STP algorithm to determine which bridge will become the root bridge within a network. When multiple bridges are present, they participate in an election process, with the bridge that has the lowest bridge ID (which is a combination of the bridge priority and the MAC address) being selected as the root bridge.

The bridge priority can be modified to influence the election process, allowing network administrators to designate certain switches to be preferred as the root bridge. The default value of 32,768 is standardized and provides a baseline for this configuration. If no adjustments are made, all switches will use this default setting, which can sometimes lead to suboptimal topology if not managed properly. Hence, understanding the implications of the default bridge priority is essential for network design and management.