In one of the articles i read the following regarding Bridge assurance:
"When enabled, BDPU’s are sent out all ports including the backup and alternate for each Hello Period. How this feature works is that it monitors the receipt of BPDUs on point to point links. If it does not hear a reply it changes the port state to an inconsistent state. This prevents any frames forwarding and a loop is avoided. The same is true of UDLD aggressive mode where a port err-disables."
Q: When bridge assurance is enabled on a port, does that mean that it will start sending out BPDUs(irrespective of it's STP state)? If Bridge Assurance is enabled on a BLOCKED port, will the Blocked port also start sending BPDUs? If so, why? From what i know, the BPDUs are sent out ONLY from Designated ports once the STP is converged. Please correct me if i am wrong.