diff --git a/skyline_apiserver/api/v1/extension.py b/skyline_apiserver/api/v1/extension.py
index 1b12063..c425f73 100644
--- a/skyline_apiserver/api/v1/extension.py
+++ b/skyline_apiserver/api/v1/extension.py
@@ -1009,7 +1009,7 @@ async def list_ports(
     server_ids = []
     network_ids = []
     result = []
-    for port in ports.get("ports", []):
+    for port in ports.next().get("ports", []):
         origin_data = OSPort(port).to_dict()
         port = Port(port).to_dict()
         port["origin_data"] = origin_data
diff --git a/skyline_apiserver/client/openstack/neutron.py b/skyline_apiserver/client/openstack/neutron.py
index e8a45ed..c74fae6 100644
--- a/skyline_apiserver/client/openstack/neutron.py
+++ b/skyline_apiserver/client/openstack/neutron.py
@@ -19,6 +19,7 @@ from typing import Any
 from fastapi import HTTPException, status
 from keystoneauth1.exceptions.http import Unauthorized
 from keystoneauth1.session import Session
+from neutronclient.v2_0.client import _GeneratorWithMeta
 from starlette.concurrency import run_in_threadpool
 
 from skyline_apiserver import schemas
@@ -54,15 +55,16 @@ async def list_ports(
     session: Session,
     region_name: str,
     global_request_id: str,
+    retrieve_all: bool = False,
     **kwargs: Any,
-) -> Any:
+) -> _GeneratorWithMeta:
     try:
         nc = await utils.neutron_client(
             session=session,
             region=region_name,
             global_request_id=global_request_id,
         )
-        return await run_in_threadpool(nc.list_ports, **kwargs)
+        return await run_in_threadpool(nc.list_ports, retrieve_all=retrieve_all, **kwargs)
     except Unauthorized as e:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,