diff --git a/api/blueprints/software/auth.py b/api/blueprints/software/auth.py
index 8bafcf1..c1664f6 100644
--- a/api/blueprints/software/auth.py
+++ b/api/blueprints/software/auth.py
@@ -215,7 +215,7 @@ async def authorize_software_client(
 
         # Note down the results:
         success = response.success
-        message = response.message
+        message = f"Action Chain '{response.actionChain}': {response.message}"
 
     # ┏┓      ┳┳┓•┓     ┏┳┓•┓   ┓┏           ┓┏┓┏┓┏┓
     # ┣ ┏┓┏┓  ┃┃┃┓┃┏┏┓┏┓ ┃ ┓┃┏  ┣┫┏┓╋┏┏┓┏┓╋  ┃┃┫┃┫┃┫
diff --git a/controllers_v2/software/mikrotik/all_mikrotik.py b/controllers_v2/software/mikrotik/all_mikrotik.py
index 67a9eb2..33d72dd 100644
--- a/controllers_v2/software/mikrotik/all_mikrotik.py
+++ b/controllers_v2/software/mikrotik/all_mikrotik.py
@@ -36,6 +36,7 @@ sys.path.append(".")
 sys.path.append("..")
 
 # My async utils:
+from utils_v2.mikrotik.controllers.async_mikrotik import AsyncMikroTik
 from utils_v2.database.async_mysql_v2 import AsyncMySQL
 from utils_v2.database.async_mongo_v2 import AsyncMongo
 from utils_v2.cache.async_redis_cache_v2 import AsyncRedisCache
@@ -181,11 +182,13 @@ class AllMikroTikController(MikroTikController):
 
     async def roll_back(
             self,
+            mikrotik_client: AsyncMikroTik,
             mikrotik_auth: MikroTikPPPoE1000Auth | MikroTikHotspot1000Auth
     ) -> MikroTikRollBackAttemptResponse:
         """
         The rolling-back to the original state (as best as possible) in case the configurations fails midway after
         completing some no. of steps.
+        :param mikrotik_client: The client to use.
         :param mikrotik_auth: The set of credentials as received from the UI/API.
         :return: A structured response to indicate what happened during the configuration attempt.
         """
@@ -194,10 +197,12 @@ class AllMikroTikController(MikroTikController):
 
     async def configure(
             self,
+            mikrotik_client: AsyncMikroTik,
             mikrotik_auth: MikroTikPPPoE1000Auth | MikroTikHotspot1000Auth
     ) -> MikroTikConfigAttemptResponse:
         """
         Run the configuration steps for the system.
+        :param mikrotik_client: The client to use.
         :param mikrotik_auth: The set of credentials as received from the UI/API.
         :return: A structured response to indicate what happened during the configuration attempt.
         """
diff --git a/controllers_v2/software/mikrotik/base.py b/controllers_v2/software/mikrotik/base.py
index ce58416..5dc3d20 100644
--- a/controllers_v2/software/mikrotik/base.py
+++ b/controllers_v2/software/mikrotik/base.py
@@ -37,6 +37,7 @@ sys.path.append("..")
 # My async utils:
 from utils_v2.string import json
 from utils_v2.date_time import date_time
+from utils_v2.mikrotik.controllers.async_mikrotik import AsyncMikroTik
 from utils_v2.database.async_mysql_v2 import AsyncMySQL
 from utils_v2.database.async_mongo_v2 import AsyncMongo
 from utils_v2.cache.async_redis_cache_v2 import AsyncRedisCache
@@ -179,416 +180,6 @@ class MikroTikController(CoreSoftwareController, ABC):
             debug_only_errors = debug_only_errors
         )
 
-    # ┓┏  ┓
-    # ┣┫┏┓┃┏┓┏┓┏┓┏
-    # ┛┗┗ ┗┣┛┗ ┛ ┛
-    #      ┛
-
-    @staticmethod
-    def get_mikrotik_url(
-            mikrotik_ip: str,
-            path: str,
-            port_no: int | str = None,
-            use_https: bool = True
-    ) -> str:
-
-        """
-        Simply creates the base URL for hitting the MikroTik server.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param path: The path of the REST API to hit.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :return: The Base URL string.
-        """
-
-        base_url = r"https://" if use_https else r"http://"
-        base_url += mikrotik_ip
-        if port_no is not None: base_url += f":{port_no}"
-        base_url += "/rest"
-        if not path.startswith("/"): path = "/" + path
-        return base_url + path
-
-    @staticmethod
-    def split_ipv4_range_among_targets(
-            start_ip: ipaddress.IPv4Address | str,
-            end_ip: ipaddress.IPv4Address | str,
-            targets: List
-    ) -> List[dict]:
-
-        """
-        Divides the IPv4 range over the list of VLAN ids.
-        :param start_ip: The first IP in the full pool (range).
-        :param end_ip: The last IP in the full pool (range).
-        :param targets: The list of targets (need not be sequential or ordered) like VLAN ids.
-        :return: A list of dicts that describes the subnet for each target.
-        """
-
-        # Parse the inputs:
-        start_ip_obj = start_ip if isinstance(start_ip, ipaddress.IPv4Address) else ipaddress.IPv4Address(start_ip)
-        end_ip_obj = end_ip if isinstance(end_ip, ipaddress.IPv4Address) else ipaddress.IPv4Address(end_ip)
-        target_count = len(targets)
-
-        # Calculate the total number of IPs in the range:
-        total_ips = int(end_ip_obj) - int(start_ip_obj) + 1
-
-        # Calculate the no. of IPs each VLAN gets,
-        # and add three because we need IPs for network, gateway and broadcast:
-        ips_per_target = math.ceil(total_ips / target_count) + 3
-
-        # Generate subnets for each VLAN:
-        subnets = []
-        current_ip = start_ip_obj
-        for target in targets:
-
-            # Calculate the network address for the current VLAN:
-            subnet_network = ipaddress.IPv4Network(f"{current_ip}/{32 - ips_per_target.bit_length()}", strict = False)
-
-            # Check for overlap with the parent network:
-            subnet_start_ip_obj = subnet_network.network_address
-            subnet_end_ip_obj = subnet_network.broadcast_address
-            if subnet_start_ip_obj <= end_ip_obj:
-
-                # Add the calculated subnet to the list:
-                subnets.append({
-                    "target": target,
-                    "network": str(subnet_network),
-                    "size": int(2 ** (32 - subnet_network.prefixlen)),
-                    "startIp": str(subnet_start_ip_obj),
-                    "endIp": str(subnet_end_ip_obj)
-                })
-
-            # Update the current IP for the next subnet
-            current_ip = ipaddress.IPv4Address(int(subnet_network.broadcast_address) + 1)
-
-        # Done here:
-        return subnets
-
-    @staticmethod
-    def create_comment_json(
-            created_by: str,
-            created_ts: datetime.datetime = None,
-            roll_back_config: dict = None
-    ) -> str:
-
-        """
-        To create a JSON string that can be put as a comment in any step to later identify the work that was done and
-        have some hint about how to roll it back if needed.
-        :param created_by: A hint to put to identify which process/tool created this comment/config/process.
-        :param created_ts: The datetime (preferably UTC) when this comment was created.
-        :param roll_back_config: The original config that can be used when rolling back.
-        :return: The comment string to be used.
-        """
-
-        # Create the JSON:
-        comment_json = {
-            "createdBy": created_by,
-            "createdTs": (created_ts or date_time.get_current_utc_date_time(as_string = False)).timestamp(),
-            "rollbackConfig": roll_back_config
-        }
-
-        # Return a string:
-        return json.to_string(comment_json, no_space = True)
-
-    @staticmethod
-    def parse_comment_json(comment: str) -> dict | list | None:
-
-        """
-        Tries to parse a comment as if it were a JSON string.
-        :param comment: The comment string.
-        :return: The dict/list parsed form the JSON, or a null value of the input was not a valid JSON string.
-        """
-
-        # Start with a null value:
-        parsed = None
-
-        # Try to parse the comment as if it were a JSON string:
-        try: parsed = json.from_string(comment)
-        except: parsed = None
-
-        # Done here:
-        return parsed
-
-    # ┏┓
-    # ┗┓┓┏┏╋┏┓┏┳┓
-    # ┗┛┗┫┛┗┗ ┛┗┗
-    #    ┛
-
-    async def get_system_resource(
-            self,
-            mikrotik_ip: str,
-            username: str,
-            password: str,
-            port_no: int | str = None,
-            use_https: bool = True
-    ) -> ApiResponse:
-
-        """
-        To get a summary of the hardware resources available in the MikroTik device. This also becomes a great way to
-        quickly check if any given device is valid, and up and running.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param username: The username to get access to the MikroTik device.
-        :param password: The password to get access to the MikroTik device.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :return: A structured API response.
-        """
-
-        # Make the API call:
-        api_response = await self._rest.get(
-            url = self.get_mikrotik_url(
-                mikrotik_ip = mikrotik_ip,
-                path = r"/system/resource",
-                port_no = port_no,
-                use_https = use_https
-            ),
-            auth = httpx.BasicAuth(
-                username = username,
-                password = password
-            )
-        )
-
-        # Done here:
-        return api_response
-
-    # ┳       ┏
-    # ┃┏┓╋┏┓┏┓╋┏┓┏┏┓┏
-    # ┻┛┗┗┗ ┛ ┛┗┻┗┗ ┛
-
-    async def list_interfaces(
-            self,
-            mikrotik_ip: str,
-            username: str,
-            password: str,
-            port_no: int | str = None,
-            use_https: bool = True
-    ) -> ApiResponse:
-
-        """
-        To enlist all the physical connectivity interfaces available on the MikroTik device.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param username: The username to get access to the MikroTik device.
-        :param password: The password to get access to the MikroTik device.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :return: A structured API response.
-        """
-
-        # Make the API call:
-        api_response = await self._rest.get(
-            url = self.get_mikrotik_url(
-                mikrotik_ip = mikrotik_ip,
-                path = r"/interface",
-                port_no = port_no,
-                use_https = use_https
-            ),
-            auth = httpx.BasicAuth(
-                username = username,
-                password = password
-            )
-        )
-
-        # Done here:
-        return api_response
-
-    async def update_interface(
-            self,
-            mikrotik_ip: str,
-            username: str,
-            password: str,
-            dot_id: str,
-            json_payload: dict,
-            port_no: int | str = None,
-            use_https: bool = True
-    ) -> ApiResponse:
-
-        """
-        To update an interface's configuration.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param username: The username to get access to the MikroTik device.
-        :param password: The password to get access to the MikroTik device.
-        :param dot_id: The value of the '.id' field in the list.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :param json_payload: The JSON to send in the body pf the request.
-        :return: A structured API response.
-        """
-
-        # Make the API call:
-        api_response = await self._rest.patch(
-            url = self.get_mikrotik_url(
-                mikrotik_ip = mikrotik_ip,
-                path = f"/interface/{dot_id}",
-                port_no = port_no,
-                use_https = use_https
-            ),
-            auth = httpx.BasicAuth(
-                username = username,
-                password = password
-            ),
-            json = json_payload
-        )
-
-        # Done here:
-        return api_response
-
-    # ┓┏┓ ┏┓┳┓
-    # ┃┃┃ ┣┫┃┃┏
-    # ┗┛┗┛┛┗┛┗┛
-
-    async def list_vlans(
-            self,
-            mikrotik_ip: str,
-            username: str,
-            password: str,
-            port_no: int | str = None,
-            use_https: bool = True
-    ) -> ApiResponse:
-
-        """
-        To enlist all the physical connectivity interfaces available on the MikroTik device.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param username: The username to get access to the MikroTik device.
-        :param password: The password to get access to the MikroTik device.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :return: A structured API response.
-        """
-
-        # Make the API call:
-        api_response = await self._rest.get(
-            url = self.get_mikrotik_url(
-                mikrotik_ip = mikrotik_ip,
-                path = r"/interface/vlan",
-                port_no = port_no,
-                use_https = use_https
-            ),
-            auth = httpx.BasicAuth(
-                username = username,
-                password = password
-            )
-        )
-
-        # Done here:
-        return api_response
-
-    async def add_vlan(
-            self,
-            mikrotik_ip: str,
-            username: str,
-            password: str,
-            json_payload: dict,
-            port_no: int | str = None,
-            use_https: bool = True
-    ) -> ApiResponse:
-
-        """
-        To add a new VLAN to the MikroTik's configuration.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param username: The username to get access to the MikroTik device.
-        :param password: The password to get access to the MikroTik device.
-        :param json_payload: The JSON to send in the body pf the request.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :return: A structured API response.
-        """
-
-        # Make the API call:
-        api_response = await self._rest.put(
-            url = self.get_mikrotik_url(
-                mikrotik_ip = mikrotik_ip,
-                path = r"/interface/vlan",
-                port_no = port_no,
-                use_https = use_https
-            ),
-            auth = httpx.BasicAuth(
-                username = username,
-                password = password
-            ),
-            json = json_payload
-        )
-
-        # Done here:
-        return api_response
-
-    async def update_vlan(
-            self,
-            mikrotik_ip: str,
-            username: str,
-            password: str,
-            dot_id: str,
-            json_payload: dict,
-            port_no: int | str = None,
-            use_https: bool = True,
-    ) -> ApiResponse:
-
-        """
-        To update an existing VLAN in the MikroTik's configuration.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param username: The username to get access to the MikroTik device.
-        :param password: The password to get access to the MikroTik device.
-        :param dot_id: The value of the '.id' field in the list.
-        :param json_payload: The JSON to send in the body pf the request.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :return: A structured API response.
-        """
-
-        # Make the API call:
-        api_response = await self._rest.patch(
-            url = self.get_mikrotik_url(
-                mikrotik_ip = mikrotik_ip,
-                path = f"/interface/vlan/{dot_id}",
-                port_no = port_no,
-                use_https = use_https
-            ),
-            auth = httpx.BasicAuth(
-                username = username,
-                password = password
-            ),
-            json = json_payload
-        )
-
-        # Done here:
-        return api_response
-
-    async def remove_vlan(
-            self,
-            mikrotik_ip: str,
-            username: str,
-            password: str,
-            dot_id: str,
-            port_no: int | str = None,
-            use_https: bool = True,
-    ):
-
-        """
-        To delete an existing VLAN from the MikroTik's configuration.
-        :param mikrotik_ip: The IP address of the MikroTik device.
-        :param username: The username to get access to the MikroTik device.
-        :param password: The password to get access to the MikroTik device.
-        :param dot_id: The value of the '.id' field in the list.
-        :param port_no: The port no. to hit the MikroTik device on.
-        :param use_https: Whether to use HTTPS, or HTTP.
-        :return: A structured API response.
-        """
-
-        # Make the API call:
-        api_response = await self._rest.delete(
-            url = self.get_mikrotik_url(
-                mikrotik_ip = mikrotik_ip,
-                path = f"/interface/vlan/{dot_id}",
-                port_no = port_no,
-                use_https = use_https
-            ),
-            auth = httpx.BasicAuth(
-                username = username,
-                password = password
-            )
-        )
-
-        # Done here:
-        return api_response
-
     # ┏┓   ┓
     # ┣┫┓┏╋┣┓
     # ┛┗┗┻┗┛┗
@@ -620,12 +211,14 @@ class MikroTikController(CoreSoftwareController, ABC):
     @abstractmethod
     async def roll_back(
             self,
+            mikrotik_client: AsyncMikroTik,
             mikrotik_auth: MikroTikPPPoE1000Auth | MikroTikHotspot1000Auth
     ) -> MikroTikRollBackAttemptResponse:
 
         """
         The rolling-back to the original state (as best as possible) in case the configurations fails midway after
         completing some no. of steps.
+        :param mikrotik_client: The client to use.
         :param mikrotik_auth: The set of credentials as received from the UI/API.
         :return: A structured response to indicate what happened during the configuration attempt.
         """
@@ -635,11 +228,13 @@ class MikroTikController(CoreSoftwareController, ABC):
     @abstractmethod
     async def configure(
             self,
+            mikrotik_client: AsyncMikroTik,
             mikrotik_auth: MikroTikPPPoE1000Auth | MikroTikHotspot1000Auth
     ) -> MikroTikConfigAttemptResponse:
 
         """
         Run the configuration steps for the system.
+        :param mikrotik_client: The client to use.
         :param mikrotik_auth: The set of credentials as received from the UI/API.
         :return: A structured response to indicate what happened during the configuration attempt.
         """
diff --git a/controllers_v2/software/mikrotik/mikrotik_pppoe_1000.py b/controllers_v2/software/mikrotik/mikrotik_pppoe_1000.py
index fc73e86..5689952 100644
--- a/controllers_v2/software/mikrotik/mikrotik_pppoe_1000.py
+++ b/controllers_v2/software/mikrotik/mikrotik_pppoe_1000.py
@@ -21,7 +21,8 @@
         N/A
 
 """
-import asyncio
+
+
 #   *****************************************************************************************************************
 #  *****                                                                                                          ****
 # ***                                                   IMPORT                                                      ***
@@ -37,6 +38,7 @@ sys.path.append("..")
 # My async utils:
 from utils_v2.string import json
 from utils_v2.date_time import date_time
+from utils_v2.mikrotik.controllers.async_mikrotik import AsyncMikroTik
 from utils_v2.database.async_mysql_v2 import AsyncMySQL
 from utils_v2.database.async_mongo_v2 import AsyncMongo
 from utils_v2.cache.async_redis_cache_v2 import AsyncRedisCache
@@ -54,10 +56,7 @@ from models.software.mikrotik.auth import (
     MikroTikHotspot1000Auth,
     MikroTikAuthResponse
 )
-from models.software.mikrotik.configure import (
-    MikroTikConfigAttemptResponse,
-    MikroTikRollBackAttemptResponse
-)
+from models.software.mikrotik.configure import MikroTikConfigAttemptResponse
 
 # To work with datatypes:
 from typing import List, Any
@@ -71,6 +70,9 @@ from bson.objectid import ObjectId
 # To make abstract classes:
 from abc import ABC, abstractmethod
 
+# For asynchronous activities:
+import asyncio
+
 
 #   *****************************************************************************************************************
 #  *****                                                                                                          ****
@@ -118,9 +120,16 @@ class MikroTikPPPoE1000Controller(MikroTikController):
     CLIENT_NAME = "mikrotikPPPoE1000"
 
     # For automated configuration, and identification of automated configuration:
-    CREATED_BY_NAME = "easyfi"
-    HW_INTERFACE_NAME = "easyfi-pppoe"
-    VLAN_NAME = "easyfi-vlan-{}"  # ... Substitute the VLAN's id here.
+    NAME_PREFIX = "easyfi"
+    CREATED_BY_NAME = NAME_PREFIX + "-pppoe-1000"
+    HW_INTERFACE_NAME = NAME_PREFIX + "-pppoe"
+    VLAN_NAME = NAME_PREFIX + "-vlan-{}"  # .................... Substitute the VLAN's id here.
+    PRIVATE_IP_POOL_NAME = NAME_PREFIX + "-pppoe-pool-{}"  # ... Substitute the VLAN's id here.
+    PPP_PROFILE_NAME = NAME_PREFIX + "-pppoe-prf-{}"  # ........ Substitute the VLAN's id here.
+    PPP_SERVER_NAME = NAME_PREFIX + "-pppoe-srv-{}"  # ......... Substitute the VLAN's id here.
+    RADIUS_SERVER_NAME = NAME_PREFIX + "-radius"  # ............ Substitute the VLAN's id here.
+    NAT_RULE_NAME = NAME_PREFIX + "-pppoe-nat-{}"  # ........... Substitute rule no. here.
+    SNMP_COMMUNITY_NAME = NAME_PREFIX + "-snmp"
 
     # ┏┓
     # ┃ ┏┓┏┓┏╋┏┓┓┏┏╋┏┓┏┓
@@ -162,46 +171,21 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         # Init a variable in a parent:
         self._client = self.CLIENT_NAME
 
-    # ┓┏  ┓
-    # ┣┫┏┓┃┏┓┏┓┏┓┏
-    # ┛┗┗ ┗┣┛┗ ┛ ┛
-    #      ┛
-
-    def created_by_easyfi(
-            self,
-            resource_json: dict = None
-    ) -> bool:
-
-        """
-        Checks if the resource was created/modified by this class.
-        :param resource_json; The JSON of the resource that needs to be checked.
-        :return: True if created by this class, else False.
-        """
-
-        # Extract values:
-        resource_name = resource_json.get("name") or ""
-        comment_json = self.parse_comment_json(resource_json.get("comment")) or {}
-
-        # Perform checks:
-        if (
-                comment_json.get("createdBy", "???") == self.CREATED_BY_NAME or
-                resource_name.lower().find("easyfi") >= 0
-        ): return True
-        else: return False
-
     # ┳       ┏
     # ┃┏┓╋┏┓┏┓╋┏┓┏┏┓┏
     # ┻┛┗┗┗ ┛ ┛┗┻┗┗ ┛
 
     async def set_up_interface(
             self,
-            mikrotik_auth: MikroTikPPPoE1000Auth,
+            mikrotik_client: AsyncMikroTik,
+            dot_id: str = None,
             use_https: bool = True
     ) -> MikroTikConfigAttemptResponse:
 
         """
         To find the first available interface and set it up for use.
-        :param mikrotik_auth: The set of credentials as received from the UI/API.
+        :param mikrotik_client: The client to use.
+        :param dot_id: If you already have an interface in mind, send its id here.
         :param use_https: Whether to use HTTPS, or HTTP.
         :return: A structured response to indicate what happened during the process.
         """
@@ -210,13 +194,7 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         step_response = MikroTikConfigAttemptResponse()
 
         # Enlist all the interfaces:
-        api_response = await self.list_interfaces(
-            mikrotik_ip = mikrotik_auth.nasIp,
-            port_no = mikrotik_auth.nasPort,
-            username = mikrotik_auth.username,
-            password = mikrotik_auth.password,
-            use_https = use_https
-        )
+        api_response = await mikrotik_client.list_interfaces(use_https = use_https)
 
         # If the listing failed:
         if not api_response.success:
@@ -225,47 +203,51 @@ class MikroTikPPPoE1000Controller(MikroTikController):
             step_response.exception = step_response.exception
             return step_response
 
-        # We find the first available interface:
-        unused_if_json = None
-        for if_json in await api_response.get_json():
-            if str(if_json.get("running")).lower() == "false":
-                unused_if_json = if_json
+        # We find/select an interface:
+        selected_if_json = None
+        for if_json in api_response.data:
+            if (
+                    str(if_json.get("type")).lower() == "ether" and
+                    (
+                            (
+                                    dot_id is not None and
+                                    str(if_json.get(".id")).lower() == str(dot_id)
+                            ) or
+                            (
+                                    dot_id is None and
+                                    str(if_json.get("running")).lower() == "false"
+                            )
+                    )
+            ):
+                selected_if_json = if_json
                 break
 
         # If we found no available interface:
-        if unused_if_json is None:
+        if selected_if_json is None:
             step_response.success = False
-            step_response.message = "Failed to find an idle h/w interface."
+            step_response.message = "Failed to select a h/w interface."
             step_response.exception = None
             return step_response
 
         # Reconfigure the idle interface:
-        api_response = await self.update_interface(
-            mikrotik_ip = mikrotik_auth.nasIp,
-            username = mikrotik_auth.username,
-            password = mikrotik_auth.password,
-            dot_id = unused_if_json.get(".id"),
-            port_no = mikrotik_auth.nasPort,
-            use_https = use_https,
+        api_response = await mikrotik_client.update_interface(
+            dot_id = selected_if_json.get(".id"),
             json_payload = {
                 "name": self.HW_INTERFACE_NAME,
                 "disabled": "false",
-                "comment": self.create_comment_json(
-                    created_by = self.CREATED_BY_NAME,
-                    created_ts = date_time.get_current_utc_date_time(as_string = False),
-                    roll_back_config = unused_if_json
-                )
-            }
+                "comment": mikrotik_client.create_comment_json(roll_back_config = selected_if_json)
+            },
+            use_https = use_https,
         )
 
         # Check if the attempt was successful:
         if api_response.success:
             step_response.success = True
-            step_response.message = f"H/w interface ('{unused_if_json.get('.id')}') configured."
+            step_response.message = f"H/w interface ('{selected_if_json.get('.id')}') configured."
             step_response.exception = None
         else:
             step_response.success = False
-            step_response.message = f"H/w interface ('{unused_if_json.get('.id')}') found, but could NOT be configured."
+            step_response.message = f"H/w interface ('{selected_if_json.get('.id')}') found, but could NOT be configured."
             step_response.exception = api_response.exception
 
         # Done here:
@@ -273,13 +255,13 @@ class MikroTikPPPoE1000Controller(MikroTikController):
 
     async def roll_back_interface(
             self,
-            mikrotik_auth: MikroTikPPPoE1000Auth,
+            mikrotik_client: AsyncMikroTik,
             use_https: bool = True
-    ) -> MikroTikRollBackAttemptResponse:
+    ) -> MikroTikConfigAttemptResponse:
 
         """
         To find the first available interface.
-        :param mikrotik_auth: The set of credentials as received from the UI/API.
+        :param mikrotik_client: The client to use.
         :param use_https: Whether to use HTTPS, or HTTP.
         :return: A structured response to indicate what happened during the process.
         """
@@ -290,13 +272,7 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         step_response = MikroTikConfigAttemptResponse()
 
         # Enlist all the interfaces:
-        api_response = await self.list_interfaces(
-            mikrotik_ip = mikrotik_auth.nasIp,
-            port_no = mikrotik_auth.nasPort,
-            username = mikrotik_auth.username,
-            password = mikrotik_auth.password,
-            use_https = use_https
-        )
+        api_response = await mikrotik_client.list_interfaces(use_https = use_https)
 
         # If the listing failed:
         if not api_response.success:
@@ -308,35 +284,29 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         # Loop through all the interfaces,
         # identify which ones were configured by this class,
         # and perform rollback on those:
-        for if_json in await api_response.get_json():
+        for if_json in api_response.data:
 
-            # Check if the configuration was made by this class:
-            created_by = None
-            original_config = None
-            comment_json = self.parse_comment_json(if_json.get("comment"))
-            if comment_json is not None:
-                created_by = comment_json.get("createdBy")
-                original_config = comment_json.get("rollbackConfig")
+            # Extract the needed values:
+            comment_json = mikrotik_client.parse_comment_json(if_json.get("comment"))
+            original_config = mikrotik_client.get_original_config(comment_json)
 
             # If this was indeed set up by this class,
             # and if rollback data is available:
-            if created_by == self.CREATED_BY_NAME and original_config is not None:
-                api_response = await self.update_interface(
-                    mikrotik_ip = mikrotik_auth.nasIp,
-                    username = mikrotik_auth.username,
-                    password = mikrotik_auth.password,
+            if mikrotik_client.is_my_config(
+                config_json = if_json,
+                name_substring = self.NAME_PREFIX
+            ):
+                api_response = await mikrotik_client.update_interface(
                     dot_id = if_json.get(".id"),
-                    port_no = mikrotik_auth.nasPort,
-                    use_https = use_https,
-                    json_payload={
-                        "name": original_config.get("name", self.HW_INTERFACE_NAME),
+                    json_payload = {
+                        "name": original_config.get("name"),
                         "disabled": "false",
-                        "comment": original_config.get("comment", "")
-                    }
+                        "comment": original_config.get("comment")
+                    },
+                    use_https = use_https,
                 )
                 total_count += 1
                 if api_response.success: rolled_back_count += 1
-                print("RB API RESP:", api_response)
 
         # Construct the final response:
         step_response.message = f"Rolled back {rolled_back_count}/{total_count} h/w interface configuration(s)."
@@ -351,16 +321,16 @@ class MikroTikPPPoE1000Controller(MikroTikController):
 
     async def set_up_one_vlan(
             self,
-            mikrotik_auth: MikroTikPPPoE1000Auth,
+            mikrotik_client: AsyncMikroTik,
             vlan_id: int,
             vlan_list: List[dict],
             use_https: bool = True
-    ):
+    ) -> MikroTikConfigAttemptResponse:
 
         """
         To set up just one of the needed VLANs. If the VLAN id is not taken, a new VLAN will be created, otherwise the
         existing one will be updated.
-        :param mikrotik_auth: The set of credentials as received from the UI/API.
+        :param mikrotik_client: The client to use.
         :param vlan_id: The id of the VLAN you want to create.
         :param vlan_list: The list of existing VLANs already configured in the MikroTik device. Helps us decide between
             the use of PUT and PATCH methods.
@@ -386,22 +356,14 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         if existing_dot_id is None:
 
             # We add the VLAN:
-            api_response = await self.add_vlan(
-                mikrotik_ip = mikrotik_auth.nasIp,
-                username = mikrotik_auth.username,
-                password = mikrotik_auth.password,
+            api_response = await mikrotik_client.add_vlan(
                 json_payload = {
                     "name": self.VLAN_NAME.format(vlan_id),
                     "vlan-id": str(vlan_id),
                     "interface": self.HW_INTERFACE_NAME,
                     "disabled": "false",
-                    "comment": self.create_comment_json(
-                        created_by = self.CREATED_BY_NAME,
-                        created_ts = date_time.get_current_utc_date_time(as_string = False),
-                        roll_back_config = existing_vlan_json
-                    )
+                    "comment": mikrotik_client.create_comment_json(roll_back_config = existing_vlan_json)
                 },
-                port_no = mikrotik_auth.nasPort,
                 use_https = use_https
             )
 
@@ -419,22 +381,14 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         else:
 
             # We update it:
-            api_response = await self.update_vlan(
-                mikrotik_ip = mikrotik_auth.nasIp,
-                username = mikrotik_auth.username,
-                password = mikrotik_auth.password,
+            api_response = await mikrotik_client.update_vlan(
                 dot_id = existing_dot_id,
                 json_payload = {
                     "name": self.VLAN_NAME.format(vlan_id),
                     "interface": self.HW_INTERFACE_NAME,
                     "disabled": "false",
-                    "comment": self.create_comment_json(
-                        created_by = self.CREATED_BY_NAME,
-                        created_ts = date_time.get_current_utc_date_time(as_string = False),
-                        roll_back_config = existing_vlan_json
-                    )
+                    "comment": mikrotik_client.create_comment_json(roll_back_config = existing_vlan_json)
                 },
-                port_no = mikrotik_auth.nasPort,
                 use_https = use_https
             )
 
@@ -453,12 +407,14 @@ class MikroTikPPPoE1000Controller(MikroTikController):
 
     async def set_up_vlans(
             self,
+            mikrotik_client: AsyncMikroTik,
             mikrotik_auth: MikroTikPPPoE1000Auth,
             use_https: bool = True
-    ) -> ApiResponse:
+    ) -> MikroTikConfigAttemptResponse:
 
         """
         To set up all the needed VLANs:
+        :param mikrotik_client: The client to use.
         :param mikrotik_auth: The set of credentials as received from the UI/API.
         :param use_https: Whether to use HTTPS, or HTTP.
         :return: A structured response to indicate what happened during the process.
@@ -468,13 +424,7 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         step_response = MikroTikConfigAttemptResponse()
 
         # Enlist all the existing VLANs:
-        api_response = await self.list_vlans(
-            mikrotik_ip = mikrotik_auth.nasIp,
-            port_no = mikrotik_auth.nasPort,
-            username = mikrotik_auth.username,
-            password = mikrotik_auth.password,
-            use_https = use_https
-        )
+        api_response = await mikrotik_client.list_vlans(use_https = use_https)
 
         # If the listing failed:
         if not api_response.success:
@@ -484,28 +434,26 @@ class MikroTikPPPoE1000Controller(MikroTikController):
             return step_response
 
         # Extract the list here:
-        vlan_list = await api_response.get_json()
+        vlan_list = api_response.data
 
         # Create a task for each VLAN that you need to set up,
         # then fire them all asynchronously:
         tasks = [
             self.set_up_one_vlan(
-                mikrotik_auth = mikrotik_auth,
+                mikrotik_client = mikrotik_client,
                 vlan_id = vlan_id,
                 vlan_list = vlan_list,
                 use_https = use_https
-            ) for vlan_id in mikrotik_auth.vlanRange
+            ) for vlan_id in mikrotik_auth.vlanIds
         ]
         results = await asyncio.gather(*tasks)
 
         # Assess the results:
         total_count = len(results)
         success_count = 0
-        all_messages = []
         for result in results:
             if result.success: success_count += 1
-            all_messages.append(result.message)
-        step_response.message = " -> ".join(all_messages)
+        step_response.message = f"{success_count}/{total_count} VLAN(s) configured."
         step_response.success = True if success_count == total_count else False
 
         # Done here:
@@ -513,13 +461,13 @@ class MikroTikPPPoE1000Controller(MikroTikController):
 
     async def roll_back_vlans(
             self,
-            mikrotik_auth: MikroTikPPPoE1000Auth,
+            mikrotik_client: AsyncMikroTik,
             use_https: bool = True
-    ) -> MikroTikRollBackAttemptResponse:
+    ) -> MikroTikConfigAttemptResponse:
 
         """
         To reset VLANs to their original state (if they already existed) or remove them if this class added them.
-        :param mikrotik_auth: The set of credentials as received from the UI/API.
+        :param mikrotik_client: The client to use.
         :param use_https: Whether to use HTTPS, or HTTP.
         :return: A structured response to indicate what happened during the process.
         """
@@ -531,13 +479,7 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         step_response = MikroTikConfigAttemptResponse()
 
         # Enlist all the existing VLANs:
-        api_response = await self.list_vlans(
-            mikrotik_ip = mikrotik_auth.nasIp,
-            port_no = mikrotik_auth.nasPort,
-            username = mikrotik_auth.username,
-            password = mikrotik_auth.password,
-            use_https = use_https
-        )
+        api_response = await mikrotik_client.list_vlans(use_https = use_https)
 
         # If the listing failed:
         if not api_response.success:
@@ -549,14 +491,17 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         # Loop through all the VLANs,
         # and either reset them to their original state (if they already existed),
         # or remove them entirely if they didn't exist before we came:
-        for vlan_json in await api_response.get_json():
+        for vlan_json in api_response.data:
 
             # Check if the VLAN was created by this class:
-            if not self.created_by_easyfi(vlan_json): continue
+            if not mikrotik_client.is_my_config(
+                    config_json = vlan_json,
+                    name_substring = self.NAME_PREFIX
+            ): continue
 
             # Extract the rollback information:
-            comment = self.parse_comment_json(vlan_json.get("comment")) or {}
-            roll_back_json = comment.get("rollbackConfig")
+            comment_json = mikrotik_client.parse_comment_json(vlan_json.get("comment"))
+            roll_back_json = mikrotik_client.get_original_config(comment_json)
             vlan_id = vlan_json.get("vlan-id")
             dot_id = vlan_json.get(".id")
 
@@ -564,14 +509,7 @@ class MikroTikPPPoE1000Controller(MikroTikController):
             if roll_back_json is None:
 
                 # We delete the resource:
-                await self.remove_vlan(
-                    mikrotik_ip = mikrotik_auth.nasIp,
-                    username = mikrotik_auth.username,
-                    password = mikrotik_auth.password,
-                    dot_id = dot_id,
-                    port_no = mikrotik_auth.nasPort,
-                    use_https = use_https
-                )
+                await mikrotik_client.remove_vlan(dot_id = dot_id, use_https = use_https)
 
                 # Assess the result:
                 total_count += 1
@@ -584,10 +522,7 @@ class MikroTikPPPoE1000Controller(MikroTikController):
             else:
 
                 # We roll back to the previous configuration:
-                await self.update_vlan(
-                    mikrotik_ip = mikrotik_auth.nasIp,
-                    username = mikrotik_auth.username,
-                    password = mikrotik_auth.password,
+                await mikrotik_client.update_vlan(
                     dot_id = dot_id,
                     json_payload = {
                         "name": roll_back_json.get("name"),
@@ -595,7 +530,6 @@ class MikroTikPPPoE1000Controller(MikroTikController):
                         "disabled": roll_back_json.get("disabled"),
                         "comment": ""
                     },
-                    port_no = mikrotik_auth.nasPort,
                     use_https = use_https
                 )
 
@@ -607,9 +541,235 @@ class MikroTikPPPoE1000Controller(MikroTikController):
                 else: all_messages.append(f"Failed to roll back VLAN with id {vlan_id}")
 
         # Assess the overall results:
-        all_messages.append(f"Removed/rolled-back {success_count}/{total_count} VLANs.")
         if success_count == total_count: step_response.success = True
-        step_response.message = " -> ".join(all_messages)
+        step_response.message = f"Removed/rolled-back {success_count}/{total_count} VLAN(s)."
+
+        # Done here:
+        return step_response
+
+    # ┳┏┓  ┏┓    ┓
+    # ┃┃┃  ┃┃┏┓┏┓┃┏
+    # ┻┣┛  ┣┛┗┛┗┛┗┛
+
+    async def set_up_one_ip_pool(
+            self,
+            mikrotik_client: AsyncMikroTik,
+            ip_pool: dict,
+            existing_ip_pools: List[dict],
+            use_https: bool = True
+    ) -> MikroTikConfigAttemptResponse:
+
+        """
+        To set up one of the needed IP pools.
+        :param mikrotik_client: The client to use.
+        :param ip_pool: The IP pool you want configured by the end of the process.
+        :param existing_ip_pools: A list of the existing IP pools. Helps to decide between 'PUT' and 'PATCH' methods.
+        :param use_https: Whether to use HTTPS, or HTTP.
+        :return: A structured response to indicate what happened during the process.
+        """
+
+        # Start by assuming failure:
+        step_response = MikroTikConfigAttemptResponse()
+
+        # Check if the configuration already exists:
+        existing_dot_id = None
+        existing_ip_pool_json = None
+        for existing_ip_pool in existing_ip_pools:
+            if existing_ip_pool.get("name", "???") == ip_pool["name"]:
+                existing_dot_id = existing_ip_pool[".id"]
+                existing_ip_pool_json = existing_ip_pool
+                break
+
+        # If the IP pool doesn't already exist:
+        if existing_dot_id is None:
+
+            # Add the configuration:
+            api_response = await mikrotik_client.add_ip_pool(
+                json_payload = {
+                    "name": ip_pool["name"],
+                    "ranges": ip_pool["network"],
+                    "comment": mikrotik_client.create_comment_json()
+                },
+                use_https = use_https
+            )
+
+            # And assess the result:
+            if api_response.success:
+                step_response.success = True
+                step_response.message = f"Added new IP pool '{ip_pool['name']}'."
+                step_response.exception = None
+            else:
+                step_response.success = False
+                step_response.message = f"Failed to add new IP pool '{ip_pool['name']}'."
+                step_response.exception = api_response.exception
+
+        # If the IP pool already exists:
+        else:
+
+            # Update the configuration:
+            api_response = await mikrotik_client.update_ip_pool(
+                dot_id = existing_dot_id,
+                json_payload = {
+                    "name": ip_pool["name"],
+                    "ranges": ip_pool["network"],
+                    "comment": mikrotik_client.create_comment_json(roll_back_config = existing_ip_pool_json)
+                },
+                use_https = use_https
+            )
+
+            # And assess the result:
+            if api_response.success:
+                step_response.success = True
+                step_response.message = f"Updated existing IP pool '{ip_pool['name']}'."
+                step_response.exception = None
+            else:
+                step_response.success = False
+                step_response.message = f"Failed to update existing IP pool '{ip_pool['name']}'."
+                step_response.exception = api_response.exception
+
+        # Done here:
+        return step_response
+
+    async def set_up_ip_pools(
+            self,
+            mikrotik_client: AsyncMikroTik,
+            mikrotik_auth: MikroTikPPPoE1000Auth,
+            use_https: bool = True
+    ) -> MikroTikConfigAttemptResponse:
+
+        """
+        To set up ALL the needed IP pools.
+        :param mikrotik_client: The client to use.
+        :param mikrotik_auth: The set of credentials as received from the UI/API.
+        :param use_https: Whether to use HTTPS, or HTTP.
+        :return: A structured response to indicate what happened during the process.
+        """
+
+        # Start by assuming failure:
+        step_response = MikroTikConfigAttemptResponse()
+
+        # Enlist all the existing VLANs:
+        api_response = await mikrotik_client.list_ip_pools(use_https = use_https)
+
+        # If the listing failed:
+        if not api_response.success:
+            step_response.success = False
+            step_response.message = "Failed to enlist existing IP pools during configuration."
+            step_response.exception = step_response.exception
+            return step_response
+
+        # Extract the list here:
+        existing_ip_pools = api_response.data
+
+        # First we split the whole private IP range
+        # into the no. of VLANs we had been asked to make:
+        ip_pools = mikrotik_client.split_ipv4_range_equally(
+            start_ip = mikrotik_auth.firstPrivateIp,
+            end_ip = mikrotik_auth.lastPrivateIp,
+            targets = mikrotik_auth.vlanIds
+        )
+
+        # Create tasks to create IP Pools,
+        # and fire them asynchronously:
+        tasks = [
+            self.set_up_one_ip_pool(
+                mikrotik_client = mikrotik_client,
+                ip_pool = {
+                    "name": self.PRIVATE_IP_POOL_NAME.format(ip_pool["target"]),
+                    "network": ip_pool["network"],
+                },
+                existing_ip_pools = existing_ip_pools,
+                use_https = use_https
+            ) for ip_pool in ip_pools
+        ]
+        results = await asyncio.gather(*tasks)
+
+        # Assess the results:
+        total_count = len(results)
+        success_count = 0
+        for result in results:
+            if result.success: success_count += 1
+        step_response.message = f"{success_count}/{total_count} IP pool(s) configured."
+        step_response.success = True if success_count == total_count else False
+
+        # Done here:
+        return step_response
+
+    async def roll_back_ip_pools(
+            self,
+            mikrotik_client: AsyncMikroTik,
+            use_https: bool = True
+    ) -> MikroTikConfigAttemptResponse:
+
+        """
+        To reset IP pools to their original state (if they already existed) or remove them if this class added them.
+        :param mikrotik_client: The client to use.
+        :param use_https: Whether to use HTTPS, or HTTP.
+        :return: A structured response to indicate what happened during the process.
+        """
+
+        # Start by assuming failure:
+        total_count = 0
+        success_count = 0
+        step_response = MikroTikConfigAttemptResponse()
+
+        # Enlist all the existing VLANs:
+        api_response = await mikrotik_client.list_ip_pools(use_https = use_https)
+
+        # If the listing failed:
+        if not api_response.success:
+            step_response.success = False
+            step_response.message = "Failed to enlist existing IP pools during rollback."
+            step_response.exception = step_response.exception
+            return step_response
+
+        # Loop through all the VLANs,
+        # and either reset them to their original state (if they already existed),
+        # or remove them entirely if they didn't exist before we came:
+        for resource_json in api_response.data:
+
+            # Check if the VLAN was created by this class:
+            if not mikrotik_client.is_my_config(
+                    config_json = resource_json,
+                    name_substring = self.NAME_PREFIX
+            ): continue
+
+            # Extract the rollback information:
+            comment_json = mikrotik_client.parse_comment_json(resource_json.get("comment"))
+            roll_back_json = mikrotik_client.get_original_config(comment_json)
+            dot_id = resource_json.get(".id")
+
+            # If the resource has no rollback information:
+            if roll_back_json is None:
+
+                # We delete the resource:
+                await mikrotik_client.remove_ip_pool(dot_id = dot_id, use_https = use_https)
+
+                # Assess the result:
+                total_count += 1
+                if api_response.success: success_count += 1
+
+            # If the resource has rollback information:
+            else:
+
+                # We roll back to the previous configuration:
+                await mikrotik_client.update_ip_pool(
+                    dot_id = dot_id,
+                    json_payload = {
+                        "name": roll_back_json.get("name"),
+                        "ranges": roll_back_json.get("ranges"),
+                        "comment": ""
+                    },
+                    use_https = use_https
+                )
+
+                # Assess the result:
+                total_count += 1
+                if api_response.success: success_count += 1
+
+        # Assess the overall results:
+        if success_count == total_count: step_response.success = True
+        step_response.message = f"Removed/rolled-back {success_count}/{total_count} IP pool(s)."
 
         # Done here:
         return step_response
@@ -634,31 +794,34 @@ class MikroTikPPPoE1000Controller(MikroTikController):
         :return: A structured response to indicate what happened during authorization.
         """
 
-        # # print("IN-AUTH:", json.to_string(mikrotik_auth.model_dump(), default = str))
-        # print("VLAN SUBNETS:", json.to_string(
-        #     self.split_ipv4_range_among_targets(
-        #         start_ip = mikrotik_auth.firstPrivateIp,
-        #         end_ip = mikrotik_auth.lastPrivateIp,
-        #         targets = mikrotik_auth.vlanRange
-        #     ),
-        #     default = str
-        # ))
-
         # Start with a blank response:
         auth_response = MikroTikAuthResponse()
 
-        # Try to configure the system:
-        config_response = await self.configure(mikrotik_auth)
-        print("CONFIG RESPONSE:", config_response)
-        auth_response = config_response
+        # Create a MikroTik client:
+        mikrotik_client = AsyncMikroTik(
+            config_by = self.CREATED_BY_NAME,
+            mikrotik_ip = mikrotik_auth.nasIp,
+            username = mikrotik_auth.username,
+            password = mikrotik_auth.password,
+            port = mikrotik_auth.nasPort,
+            use_https = True,
+            http_client = None,
+            action_log_conn = mongo_data_conn
+        )
 
-        await asyncio.sleep(10.0)
+        # Try to configure the system:
+        config_response = await self.configure(mikrotik_client, mikrotik_auth)
+        print("CONFIG RESPONSE:", config_response)
+
+        await asyncio.sleep(2.0)
 
         # Try to roll all configuration back:
-        roll_back_response = await self.roll_back(mikrotik_auth)
+        roll_back_response = await self.roll_back(mikrotik_client, mikrotik_auth)
         print("ROLL-BACK RESPONSE:", roll_back_response)
+        config_response += roll_back_response
 
         # Done here:
+        auth_response = config_response
         return auth_response
 
     # ┏┓    ┏•
@@ -668,30 +831,38 @@ class MikroTikPPPoE1000Controller(MikroTikController):
 
     async def roll_back(
             self,
-            mikrotik_auth: MikroTikPPPoE1000Auth | MikroTikHotspot1000Auth
-    ) -> MikroTikRollBackAttemptResponse:
+            mikrotik_client: AsyncMikroTik,
+            mikrotik_auth: MikroTikPPPoE1000Auth
+    ) -> MikroTikConfigAttemptResponse:
 
         """
         The rolling-back to the original state (as best as possible) in case the configurations fails midway after
         completing some no. of steps.
+        :param mikrotik_client: The client to use.
         :param mikrotik_auth: The set of credentials as received from the UI/API.
         :return: A structured response to indicate what happened during the configuration attempt.
         """
 
         # Start with some variables:
         keep_going = True
-        all_messages = []
+        all_messages = ["STARTING ROLLBACK."]
         roll_back_response = MikroTikConfigAttemptResponse()
 
-        # Next we remove all the VLANs:
+        # Next, we roll back all the IP pools:
         if keep_going:
-            step_response = await self.roll_back_vlans(mikrotik_auth, use_https = False)
+            step_response = await self.roll_back_ip_pools(mikrotik_client, use_https = False)
+            all_messages.append(step_response.message)
+            keep_going = step_response.success
+
+        # Next we roll back all the VLANs:
+        if keep_going:
+            step_response = await self.roll_back_vlans(mikrotik_client, use_https = False)
             all_messages.append(step_response.message)
             keep_going = step_response.success
 
         # Next, we free-up the interface:
         if keep_going:
-            step_response = await self.roll_back_interface(mikrotik_auth, use_https = False)
+            step_response = await self.roll_back_interface(mikrotik_client, use_https = False)
             all_messages.append(step_response.message)
             keep_going = step_response.success
 
@@ -702,30 +873,39 @@ class MikroTikPPPoE1000Controller(MikroTikController):
 
     async def configure(
             self,
-            mikrotik_auth: MikroTikPPPoE1000Auth | MikroTikHotspot1000Auth
+            mikrotik_client: AsyncMikroTik,
+            mikrotik_auth: MikroTikPPPoE1000Auth
     ) -> MikroTikConfigAttemptResponse:
 
         """
         Run the configuration steps for the system.
+        :param mikrotik_client: The client to use.
         :param mikrotik_auth: The set of credentials as received from the UI/API.
         :return: A structured response to indicate what happened during the configuration attempt.
         """
 
         # Start with some variables:
         keep_going = True
-        all_messages = []
-        config_response = MikroTikConfigAttemptResponse()
+        all_messages = ["STARTING CONFIG."]
+        config_response = MikroTikConfigAttemptResponse(actionChain = mikrotik_client.action_chain)
 
         # First, we arrange an interface:
         if keep_going:
-            step_response = await self.set_up_interface(mikrotik_auth, use_https = False)
+            step_response = await self.set_up_interface(mikrotik_client, dot_id = "*3", use_https = False)
             all_messages.append(step_response.message)
             keep_going = step_response.success
 
         # Next, we create the needed VLANs:
         if keep_going:
             await asyncio.sleep(0.25)
-            step_response = await self.set_up_vlans(mikrotik_auth, use_https = False)
+            step_response = await self.set_up_vlans(mikrotik_client, mikrotik_auth, use_https = False)
+            all_messages.append(step_response.message)
+            keep_going = step_response.success
+
+        # Next, we create the Private IP Pools:
+        if keep_going:
+            await asyncio.sleep(0.25)
+            step_response = await self.set_up_ip_pools(mikrotik_client, mikrotik_auth, use_https = False)
             all_messages.append(step_response.message)
             keep_going = step_response.success
 
diff --git a/models/software/mikrotik/auth.py b/models/software/mikrotik/auth.py
index 3d96a1c..06e678f 100644
--- a/models/software/mikrotik/auth.py
+++ b/models/software/mikrotik/auth.py
@@ -172,7 +172,7 @@ class MikroTikPPPoE1000Auth(BaseModel):
         frozen = True
     )
 
-    vlanRange: List[int] = Field(
+    vlanIds: List[int] = Field(
         description = "Don't know, and don't want to know.",
         min_length = 1,
         frozen = True
@@ -234,7 +234,7 @@ class MikroTikPPPoE1000Auth(BaseModel):
     def validate_ip_range(cls, value):
         return ip.to_hyphen_notation(value)
 
-    @field_validator("vlanRange", mode = "before")
+    @field_validator("vlanIds", mode = "before")
     def validate_vlans(cls, value):
         return parse_vlans(value)
 
diff --git a/models/software/mikrotik/configure.py b/models/software/mikrotik/configure.py
index d2f3f59..382bc6f 100644
--- a/models/software/mikrotik/configure.py
+++ b/models/software/mikrotik/configure.py
@@ -77,6 +77,12 @@ REGEX_SESSION_TOKEN = r"^[a-f0-9]{8}-[a-f0-9]{4}-[1-5][a-f0-9]{3}-[89ab][a-f0-9]
 
 class MikroTikConfigAttemptResponse(BaseModel):
 
+    actionChain: str | int = Field(
+        description = "To be able to link all the actions of one process",
+        frozen = False,
+        default = None
+    )
+
     success: bool = Field(
         description = "To indicate whether or not, the action was a success",
         frozen = False,
@@ -107,7 +113,14 @@ class MikroTikConfigAttemptResponse(BaseModel):
     # ┃ ┓┏┏╋┏┓┏┳┓  ┣ ┓┏┏┓┏┏
     # ┗┛┗┻┛┗┗┛┛┗┗  ┻ ┗┻┛┗┗┛
 
-    pass
+    def __add__(self, other):
+
+        return MikroTikConfigAttemptResponse(
+            actionChain = other.actionChain or self.actionChain,
+            success = self.success and other.success,
+            message = self.message + " -> " + other.message,
+            exception = other.exception or self.exception
+        )
 
     # ┓┏  ┓• ┓   •
     # ┃┃┏┓┃┓┏┫┏┓╋┓┏┓┏┓
@@ -121,6 +134,12 @@ class MikroTikConfigAttemptResponse(BaseModel):
 
 class MikroTikRollBackAttemptResponse(BaseModel):
 
+    actionChain: str | int = Field(
+        description = "To be able to link all the actions of one process",
+        frozen = False,
+        default = None
+    )
+
     success: bool = Field(
         description = "To indicate whether or not, the action was a success",
         frozen = False,
diff --git a/readme/MikroTik-PPPoE-1000.md b/readme/MikroTik-PPPoE-1000.md
index c24697c..30ab34d 100644
--- a/readme/MikroTik-PPPoE-1000.md
+++ b/readme/MikroTik-PPPoE-1000.md
@@ -69,6 +69,9 @@ configuration, simply delete your record.
 You will receive the Private IP range in either CIDR notation or as a hyphen-separated string. You need to cut up this
 larger IP pool into subnets that you will eventually assign to each VLAN (by way of creating PPPoE servers).
 
+**WARNING:** It is possible to have IP pools in a MikroTik device with overlapping IP addresses. It is not recommended,  
+though, because it may lead to conflicts that could be hard to trace back.
+
 Use `PUT` or `PATCH` method on the path `/ip/pool`. Consider to the following example JSON:
 ```json
 {
@@ -80,8 +83,8 @@ Use `PUT` or `PATCH` method on the path `/ip/pool`. Consider to the following ex
 
 **NOTE:** Looping needed.
 
-**ROLL-BACK:** Save the original configuration as a JSON string in the `comment` field. If there was no original 
-configuration, simply delete your record.
+**ROLL-BACK:** Identify your entry from the `name` field (contains 'easyfi') or from the contents of the `comment` field
+and remove it.
 
 ### 4. Create PPPoE Profiles
 
@@ -115,7 +118,7 @@ up servers that use one VLAN and one private IP sub-pool to actually handle the
 Use `PUT` or `PATCH` method on the path `/interface/pppoe-server/server`. Consider to the following example JSON:
 ```json
 {
-    "interface": "vlan10",  // ..................... The VLAN interface you had created earlier.
+    "interface": "easyfi-vlan-2001",  // ........... The VLAN interface you had created earlier.
     "profile": "easyfi-pppoe-prf-2001",  // ........ The PPPoE profile you created earlier.
     "service-name": "easyfi-pppoe-srv-2001",  // ... Use the VLAN id in the name.
     "comment": "{...}"  // ......................... The JSON string to indicate automated config.
diff --git a/ssh_server.sh b/ssh_server.sh
index 16bdc4e..4765276 100644
--- a/ssh_server.sh
+++ b/ssh_server.sh
@@ -20,8 +20,8 @@ if [[ $SELECTION -gt 0 && $SELECTION -le ${#SERVERS[@]} ]]; then
     SELECTED_SERVER=${SERVERS[$((SELECTION - 1))]}
 
     # Ask the username and target port no. on the server::
-    read -rp "Your username on the server ..... : " USER
     read -rp "The target port no. ............. : " PORT
+    read -rp "Your username on the server ..... : " USER
 
     # Run the command:
     ssh -p "$PORT" "$USER@$SELECTED_SERVER"