diff --git a/octavia/controller/worker/v2/tasks/network_tasks.py b/octavia/controller/worker/v2/tasks/network_tasks.py
index 59bb99321b..c8aef30388 100644
--- a/octavia/controller/worker/v2/tasks/network_tasks.py
+++ b/octavia/controller/worker/v2/tasks/network_tasks.py
@@ -728,7 +728,11 @@ class GetAmphoraNetworkConfigs(BaseNetworkTask):
             db_lb, amphora=db_amp)
         provider_dict = {}
         for amp_id, amp_conf in db_configs.items():
-            provider_dict[amp_id] = amp_conf.to_dict(recurse=True)
+            # Do not serialize loadbalancer class.  It's unused later and
+            # could be ignored for storing in results of task in persistence DB
+            provider_dict[amp_id] = amp_conf.to_dict(
+                recurse=True, calling_classes=[data_models.LoadBalancer]
+            )
         return provider_dict
 
 
@@ -746,7 +750,11 @@ class GetAmphoraNetworkConfigsByID(BaseNetworkTask):
                                                              amphora=amphora)
         provider_dict = {}
         for amp_id, amp_conf in db_configs.items():
-            provider_dict[amp_id] = amp_conf.to_dict(recurse=True)
+            # Do not serialize loadbalancer class.  It's unused later and
+            # could be ignored for storing in results of task in persistence DB
+            provider_dict[amp_id] = amp_conf.to_dict(
+                recurse=True, calling_classes=[data_models.LoadBalancer]
+            )
         return provider_dict
 
 
@@ -762,7 +770,11 @@ class GetAmphoraeNetworkConfigs(BaseNetworkTask):
         db_configs = self.network_driver.get_network_configs(db_lb)
         provider_dict = {}
         for amp_id, amp_conf in db_configs.items():
-            provider_dict[amp_id] = amp_conf.to_dict(recurse=True)
+            # Do not serialize loadbalancer class.  It's unused later and
+            # could be ignored for storing in results of task in persistence DB
+            provider_dict[amp_id] = amp_conf.to_dict(
+                recurse=True, calling_classes=[data_models.LoadBalancer]
+            )
         return provider_dict
 
 
diff --git a/octavia/tests/unit/controller/worker/v2/tasks/test_network_tasks.py b/octavia/tests/unit/controller/worker/v2/tasks/test_network_tasks.py
index 304c067251..d2a364b7f6 100644
--- a/octavia/tests/unit/controller/worker/v2/tasks/test_network_tasks.py
+++ b/octavia/tests/unit/controller/worker/v2/tasks/test_network_tasks.py
@@ -1349,6 +1349,10 @@ class TestNetworkTasks(base.TestCase):
         AMP_ID = uuidutils.generate_uuid()
         mock_driver = mock.MagicMock()
         mock_get_net_driver.return_value = mock_driver
+        amphora_config_mock = mock.MagicMock()
+        mock_driver.get_network_configs.return_value = {
+            "amphora_uuid1": amphora_config_mock
+        }
         mock_amp_get.return_value = 'mock amphora'
         mock_lb_get.return_value = 'mock load balancer'
 
@@ -1360,6 +1364,9 @@ class TestNetworkTasks(base.TestCase):
             'mock load balancer', amphora='mock amphora')
         mock_amp_get.assert_called_once_with(mock_get_session(), id=AMP_ID)
         mock_lb_get.assert_called_once_with(mock_get_session(), id=LB_ID)
+        amphora_config_mock.to_dict.assert_called_once_with(
+            recurse=True, calling_classes=[o_data_models.LoadBalancer]
+        )
 
     @mock.patch('octavia.db.repositories.LoadBalancerRepository.get')
     @mock.patch('octavia.db.api.get_session', return_value=_session_mock)
@@ -1368,10 +1375,17 @@ class TestNetworkTasks(base.TestCase):
         mock_driver = mock.MagicMock()
         mock_lb_get.return_value = LB
         mock_get_net_driver.return_value = mock_driver
+        amphora_config_mock = mock.MagicMock()
+        mock_driver.get_network_configs.return_value = {
+            "amphora_uuid1": amphora_config_mock
+        }
         lb = o_data_models.LoadBalancer()
         net_task = network_tasks.GetAmphoraeNetworkConfigs()
         net_task.execute(self.load_balancer_mock)
         mock_driver.get_network_configs.assert_called_once_with(lb)
+        amphora_config_mock.to_dict.assert_called_once_with(
+            recurse=True, calling_classes=[o_data_models.LoadBalancer]
+        )
 
     def test_retrieve_portids_on_amphora_except_lb_network(
             self, mock_get_net_driver):
diff --git a/releasenotes/notes/do-not-serialize-full-loadbalancer-graph-on-get-amphora-network-configs-347a0a4340ee222b.yaml b/releasenotes/notes/do-not-serialize-full-loadbalancer-graph-on-get-amphora-network-configs-347a0a4340ee222b.yaml
new file mode 100644
index 0000000000..6fce35c4df
--- /dev/null
+++ b/releasenotes/notes/do-not-serialize-full-loadbalancer-graph-on-get-amphora-network-configs-347a0a4340ee222b.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Ignore serialization loadbalancer class in GetAmphoraNetworkConfigs tasks.
+    It allows to avoid storing full graph in jobboard details. It fixes cases
+    with enabled jobboard for huge LBs with ~2000+ resources in graph.