BSTP_ROLE_BACKUP
BSTP_ROLE_BACKUP);
case BSTP_ROLE_BACKUP:
case BSTP_ROLE_BACKUP:
case BSTP_ROLE_BACKUP:
bp->bp_role == BSTP_ROLE_BACKUP)
case BSTP_ROLE_BACKUP:
case BSTP_ROLE_BACKUP: