diff --git a/pytcp/stack/__init__.py b/pytcp/stack/__init__.py
index 5a0ecbe6..2547fc59 100755
--- a/pytcp/stack/__init__.py
+++ b/pytcp/stack/__init__.py
@@ -39,10 +39,10 @@
 
 from pytcp.stack.arp_cache import ArpCache
 from pytcp.stack.nd_cache import NdCache
+from pytcp.stack.packet_handler import PacketHandler
 from pytcp.stack.rx_ring import RxRing
 from pytcp.stack.timer import Timer
 from pytcp.stack.tx_ring import TxRing
-from pytcp.subsystems.packet_handler import PacketHandler
 
 if TYPE_CHECKING:
     from net_addr import Ip4Address
diff --git a/pytcp/subsystems/packet_handler/__init__.py b/pytcp/stack/packet_handler/__init__.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/__init__.py
rename to pytcp/stack/packet_handler/__init__.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__arp__rx.py b/pytcp/stack/packet_handler/packet_handler__arp__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__arp__rx.py
rename to pytcp/stack/packet_handler/packet_handler__arp__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__arp__tx.py b/pytcp/stack/packet_handler/packet_handler__arp__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__arp__tx.py
rename to pytcp/stack/packet_handler/packet_handler__arp__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ethernet_802_3__rx.py b/pytcp/stack/packet_handler/packet_handler__ethernet_802_3__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ethernet_802_3__rx.py
rename to pytcp/stack/packet_handler/packet_handler__ethernet_802_3__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ethernet_802_3__tx.py b/pytcp/stack/packet_handler/packet_handler__ethernet_802_3__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ethernet_802_3__tx.py
rename to pytcp/stack/packet_handler/packet_handler__ethernet_802_3__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ethernet__rx.py b/pytcp/stack/packet_handler/packet_handler__ethernet__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ethernet__rx.py
rename to pytcp/stack/packet_handler/packet_handler__ethernet__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ethernet__tx.py b/pytcp/stack/packet_handler/packet_handler__ethernet__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ethernet__tx.py
rename to pytcp/stack/packet_handler/packet_handler__ethernet__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__icmp4__rx.py b/pytcp/stack/packet_handler/packet_handler__icmp4__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__icmp4__rx.py
rename to pytcp/stack/packet_handler/packet_handler__icmp4__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__icmp4__tx.py b/pytcp/stack/packet_handler/packet_handler__icmp4__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__icmp4__tx.py
rename to pytcp/stack/packet_handler/packet_handler__icmp4__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__icmp6__rx.py b/pytcp/stack/packet_handler/packet_handler__icmp6__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__icmp6__rx.py
rename to pytcp/stack/packet_handler/packet_handler__icmp6__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__icmp6__tx.py b/pytcp/stack/packet_handler/packet_handler__icmp6__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__icmp6__tx.py
rename to pytcp/stack/packet_handler/packet_handler__icmp6__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ip4__rx.py b/pytcp/stack/packet_handler/packet_handler__ip4__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ip4__rx.py
rename to pytcp/stack/packet_handler/packet_handler__ip4__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ip4__tx.py b/pytcp/stack/packet_handler/packet_handler__ip4__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ip4__tx.py
rename to pytcp/stack/packet_handler/packet_handler__ip4__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ip6__rx.py b/pytcp/stack/packet_handler/packet_handler__ip6__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ip6__rx.py
rename to pytcp/stack/packet_handler/packet_handler__ip6__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ip6__tx.py b/pytcp/stack/packet_handler/packet_handler__ip6__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ip6__tx.py
rename to pytcp/stack/packet_handler/packet_handler__ip6__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ip6_frag__rx.py b/pytcp/stack/packet_handler/packet_handler__ip6_frag__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ip6_frag__rx.py
rename to pytcp/stack/packet_handler/packet_handler__ip6_frag__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__ip6_frag__tx.py b/pytcp/stack/packet_handler/packet_handler__ip6_frag__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__ip6_frag__tx.py
rename to pytcp/stack/packet_handler/packet_handler__ip6_frag__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__tcp__rx.py b/pytcp/stack/packet_handler/packet_handler__tcp__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__tcp__rx.py
rename to pytcp/stack/packet_handler/packet_handler__tcp__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__tcp__tx.py b/pytcp/stack/packet_handler/packet_handler__tcp__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__tcp__tx.py
rename to pytcp/stack/packet_handler/packet_handler__tcp__tx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__udp__rx.py b/pytcp/stack/packet_handler/packet_handler__udp__rx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__udp__rx.py
rename to pytcp/stack/packet_handler/packet_handler__udp__rx.py
diff --git a/pytcp/subsystems/packet_handler/packet_handler__udp__tx.py b/pytcp/stack/packet_handler/packet_handler__udp__tx.py
similarity index 100%
rename from pytcp/subsystems/packet_handler/packet_handler__udp__tx.py
rename to pytcp/stack/packet_handler/packet_handler__udp__tx.py
diff --git a/tests__legacy/integration/packet_flows_rx.py b/tests__legacy/integration/packet_flows_rx.py
index f8b31e5d..5887c7b6 100755
--- a/tests__legacy/integration/packet_flows_rx.py
+++ b/tests__legacy/integration/packet_flows_rx.py
@@ -35,30 +35,11 @@
 
 from testslide import TestCase
 
+from pytcp import config
 from net_addr import Ip4Address, Ip4Host, Ip6Address, Ip6Host, MacAddress
 from pytcp.lib.packet import PacketRx
 from pytcp.lib.packet_stats import PacketStatsRx, PacketStatsTx
-from pytcp.subsystems.packet_handler import PacketHandler
-
-PACKET_HANDLER_MODULES = [
-    "pytcp.subsystems.packet_handler",
-    "protocols.ether.phrx",
-    "protocols.ether.phtx",
-    "protocols.arp.phrx",
-    "protocols.arp.phtx",
-    "protocols.ip4.phrx",
-    "protocols.ip4.phtx",
-    "protocols.ip6.phrx",
-    "protocols.ip6.phtx",
-    "protocols.icmp4.phrx",
-    "protocols.icmp4.phtx",
-    "protocols.icmp6.phrx",
-    "protocols.icmp6.phtx",
-    "protocols.udp.phrx",
-    "protocols.udp.phtx",
-    "protocols.tcp.phrx",
-    "protocols.tcp.phtx",
-]
+from pytcp.stack.packet_handler import PacketHandler
 
 
 # Ensure critical configuration settings are set properly for the testing
@@ -115,14 +96,8 @@ def _patch_config(self) -> None:
         """
         Patch critical config setting for all packet handler modules.
         """
-        for module in PACKET_HANDLER_MODULES:
-            for attribute, new_value in CONFIG_PATCHES.items():
-                try:
-                    self.patch_attribute(
-                        f"{module}.config", attribute, new_value
-                    )
-                except ModuleNotFoundError:
-                    continue
+        for attribute, new_value in CONFIG_PATCHES.items():
+            config.__dict__[attribute] = new_value
 
     # Test name format:
     # 'test_name__protocol_tested__test_description__optional_condition'
diff --git a/tests__legacy/integration/packet_flows_rx_tx.py b/tests__legacy/integration/packet_flows_rx_tx.py
index 91ad52be..69250a89 100755
--- a/tests__legacy/integration/packet_flows_rx_tx.py
+++ b/tests__legacy/integration/packet_flows_rx_tx.py
@@ -37,34 +37,15 @@
 
 from testslide import StrictMock, TestCase
 
+from pytcp import config
 from net_addr import Ip4Address, Ip4Host, Ip6Address, Ip6Host, MacAddress
 from pytcp.lib.packet import PacketRx
 from pytcp.lib.packet_stats import PacketStatsRx, PacketStatsTx
 from pytcp.stack.arp_cache import ArpCache
 from pytcp.stack.nd_cache import NdCache
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 from pytcp.stack.tx_ring import TxRing
 
-PACKET_HANDLER_MODULES = [
-    "pytcp.subsystems.packet_handler",
-    "protocols.ethernet.phrx",
-    "protocols.ethernet.phtx",
-    "protocols.arp.phrx",
-    "protocols.arp.phtx",
-    "protocols.ip4.phrx",
-    "protocols.ip4.phtx",
-    "protocols.ip6.phrx",
-    "protocols.ip6.phtx",
-    "protocols.icmp4.phrx",
-    "protocols.icmp4.phtx",
-    "protocols.icmp6.phrx",
-    "protocols.icmp6.phtx",
-    "protocols.udp.phrx",
-    "protocols.udp.phtx",
-    "protocols.tcp.phrx",
-    "protocols.tcp.phtx",
-]
-
 
 # Ensure critical configuration settings are set properly for
 # the testing regardless of actual configuration
@@ -174,16 +155,8 @@ def _patch_config(self) -> None:
         """
         Patch critical config setting for all packet handler modules.
         """
-        for module in PACKET_HANDLER_MODULES:
-            for attribute, new_value in CONFIG_PATCHES.items():
-                try:
-                    self.patch_attribute(
-                        target=f"{module}.config",
-                        attribute=attribute,
-                        new_value=new_value,
-                    )
-                except ModuleNotFoundError:
-                    continue
+        for attribute, new_value in CONFIG_PATCHES.items():
+            config.__dict__[attribute] = new_value
 
     # Test name format:
     # 'test_name__protocol_tested__test_description__optional_condition'
diff --git a/tests__legacy/unit/mock_network.py b/tests__legacy/unit/mock_network.py
index 55976b55..f224794d 100755
--- a/tests__legacy/unit/mock_network.py
+++ b/tests__legacy/unit/mock_network.py
@@ -35,11 +35,11 @@
 from typing import no_type_check
 
 from testslide import StrictMock, TestCase
-
+from pytcp import config
 from net_addr import Ip4Address, Ip4Host, Ip6Address, Ip6Host, MacAddress
 from pytcp.stack.arp_cache import ArpCache
 from pytcp.stack.nd_cache import NdCache
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 from pytcp.stack.tx_ring import TxRing
 
 # # #  IPv4
@@ -115,27 +115,6 @@ def __init__(self) -> None:
         self.router_b_ip6_address = Ip6Address("fe80::2")
 
 
-PACKET_HANDLER_MODULES = [
-    "pytcp.subsystems.packet_handler",
-    "pytcp.protocols.ether.phrx",
-    "pytcp.protocols.ether.phtx",
-    "pytcp.protocols.arp.phrx",
-    "pytcp.protocols.arp.phtx",
-    "pytcp.protocols.ip4.phrx",
-    "pytcp.protocols.ip4.phtx",
-    "pytcp.protocols.ip6.phrx",
-    "pytcp.protocols.ip6.phtx",
-    "pytcp.protocols.icmp4.phrx",
-    "pytcp.protocols.icmp4.phtx",
-    "pytcp.protocols.icmp6.phrx",
-    "pytcp.protocols.icmp6.phtx",
-    "pytcp.protocols.udp.phrx",
-    "pytcp.protocols.udp.phtx",
-    "pytcp.protocols.tcp.phrx",
-    "pytcp.protocols.tcp.phtx",
-]
-
-
 CONFIG_PATCHES = {
     "LOG__CHANNEL": set(),
     "IP6__SUPPORT_ENABLED": True,
@@ -151,27 +130,8 @@ def patch_config(self: TestCase, *, enable_log: bool = False) -> None:
     """
     Patch critical config setting for all packet handler modules.
     """
-    for module in PACKET_HANDLER_MODULES:
-        for variable, value in CONFIG_PATCHES.items():
-            if enable_log and variable == "LOG__CHANNEL":
-                value = {
-                    "stack",
-                    "arp-c",
-                    "nd-c",
-                    "ether",
-                    "arp",
-                    "ip4",
-                    "ip6",
-                    "icmp4",
-                    "icmp6",
-                    "udp",
-                    "tcp",
-                    "socket",
-                }
-            try:
-                self.patch_attribute(f"{module}.config", variable, value)
-            except ModuleNotFoundError:
-                continue
+    for attribute, new_value in CONFIG_PATCHES.items():
+        config.__dict__[attribute] = new_value
 
 
 # Had to disable type checking in this function because it modifies variables
diff --git a/tests__legacy/unit/protocols__arp__phtx.py b/tests__legacy/unit/protocols__arp__phtx.py
index 19018680..5e4e49cb 100755
--- a/tests__legacy/unit/protocols__arp__phtx.py
+++ b/tests__legacy/unit/protocols__arp__phtx.py
@@ -42,7 +42,7 @@
 from pytcp.lib.packet_stats import PacketStatsTx
 from pytcp.lib.tx_status import TxStatus
 from pytcp.protocols.arp.arp__header import ArpOperation
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 
 class TestArpPhtx(TestCase):
diff --git a/tests__legacy/unit/protocols__ethernet__phtx.py b/tests__legacy/unit/protocols__ethernet__phtx.py
index ce76445c..db06ca8b 100755
--- a/tests__legacy/unit/protocols__ethernet__phtx.py
+++ b/tests__legacy/unit/protocols__ethernet__phtx.py
@@ -47,7 +47,7 @@
 
 from pytcp.lib.packet_stats import PacketStatsTx
 from pytcp.lib.tx_status import TxStatus
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 TEST_FRAME_DIR = "tests__legacy/unit/test_frames/ethernet_phtx/"
 
diff --git a/tests__legacy/unit/protocols__icmp4__phtx.py b/tests__legacy/unit/protocols__icmp4__phtx.py
index 633d47c1..b6556805 100755
--- a/tests__legacy/unit/protocols__icmp4__phtx.py
+++ b/tests__legacy/unit/protocols__icmp4__phtx.py
@@ -51,7 +51,7 @@
 from pytcp.protocols.icmp4.message.icmp4_message__echo_request import (
     Icmp4EchoRequestMessage,
 )
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 TEST_FRAME_DIR = "tests__legacy/unit/test_frames/icmp4_phtx/"
 
diff --git a/tests__legacy/unit/protocols__icmp6__phtx.py b/tests__legacy/unit/protocols__icmp6__phtx.py
index cda5906c..47d9245d 100755
--- a/tests__legacy/unit/protocols__icmp6__phtx.py
+++ b/tests__legacy/unit/protocols__icmp6__phtx.py
@@ -60,7 +60,7 @@
     Icmp6NdOptions,
     Icmp6NdOptionSlla,
 )
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 TEST_FRAME_DIR = "tests__legacy/unit/test_frames/icmp6_phtx/"
 
diff --git a/tests__legacy/unit/protocols__ip4__phtx.py b/tests__legacy/unit/protocols__ip4__phtx.py
index 5af614e1..5b461b14 100755
--- a/tests__legacy/unit/protocols__ip4__phtx.py
+++ b/tests__legacy/unit/protocols__ip4__phtx.py
@@ -42,7 +42,7 @@
 from pytcp.lib.packet_stats import PacketStatsTx
 from pytcp.lib.tx_status import TxStatus
 from pytcp.protocols.raw.raw__assembler import RawAssembler
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 TEST_FRAME_DIR = "tests__legacy/unit/test_frames/ip4_phtx/"
 
diff --git a/tests__legacy/unit/protocols__ip6__phtx.py b/tests__legacy/unit/protocols__ip6__phtx.py
index a1d91363..b0524dca 100755
--- a/tests__legacy/unit/protocols__ip6__phtx.py
+++ b/tests__legacy/unit/protocols__ip6__phtx.py
@@ -42,7 +42,7 @@
 from pytcp.lib.packet_stats import PacketStatsTx
 from pytcp.lib.tx_status import TxStatus
 from pytcp.protocols.raw.raw__assembler import RawAssembler
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 TEST_FRAME_DIR = "tests__legacy/unit/test_frames/ip6_phtx/"
 
diff --git a/tests__legacy/unit/protocols__tcp__phtx.py b/tests__legacy/unit/protocols__tcp__phtx.py
index f1921ccc..3bac625d 100755
--- a/tests__legacy/unit/protocols__tcp__phtx.py
+++ b/tests__legacy/unit/protocols__tcp__phtx.py
@@ -41,7 +41,7 @@
 
 from pytcp.lib.packet_stats import PacketStatsTx
 from pytcp.lib.tx_status import TxStatus
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 TEST_FRAME_DIR = "tests__legacy/unit/test_frames/tcp_phtx/"
 
diff --git a/tests__legacy/unit/protocols__udp__phtx.py b/tests__legacy/unit/protocols__udp__phtx.py
index 9ac36701..fc141fd9 100755
--- a/tests__legacy/unit/protocols__udp__phtx.py
+++ b/tests__legacy/unit/protocols__udp__phtx.py
@@ -41,7 +41,7 @@
 
 from pytcp.lib.packet_stats import PacketStatsTx
 from pytcp.lib.tx_status import TxStatus
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 TEST_FRAME_DIR = "tests__legacy/unit/test_frames/udp_phtx/"
 
diff --git a/tests__legacy/unreliable/subsystems__packet_handler.py b/tests__legacy/unreliable/subsystems__packet_handler.py
index 95423f29..d1c01ac8 100755
--- a/tests__legacy/unreliable/subsystems__packet_handler.py
+++ b/tests__legacy/unreliable/subsystems__packet_handler.py
@@ -34,7 +34,7 @@
 
 from testslide import TestCase
 
-from pytcp.subsystems.packet_handler import PacketHandler
+from pytcp.stack.packet_handler import PacketHandler
 
 
 class TestPacketHandler(TestCase):