diff --git a/gns3server/schemas/controller/links.py b/gns3server/schemas/controller/links.py
index e84e5d5b0..1c6791297 100644
--- a/gns3server/schemas/controller/links.py
+++ b/gns3server/schemas/controller/links.py
@@ -140,17 +140,6 @@ class LinkFilterParameter(BaseModel):
     unit: Optional[str] = None
 
 
-class LinkFilterInfo(BaseModel):
-    """
-    A packet filter that can be applied to a link.
-    """
-
-    type: str = Field(..., description="Filter identifier used as key in the link 'filters' property")
-    name: str
-    description: str
-    parameters: List[LinkFilterParameter]
-
-
 class LinkFilterDefinition(BaseModel):
     """
     Packet filter available on a link.
@@ -443,3 +432,26 @@ class LinkWiresharkRestart(BaseModel):
     """
 
     status: str
+
+
+class LinkFilterParameter(BaseModel):
+    """
+    A parameter of a packet filter.
+    """
+
+    name: str
+    type: str
+    minimum: Optional[int] = None
+    maximum: Optional[int] = None
+    unit: Optional[str] = None
+
+
+class LinkFilterInfo(BaseModel):
+    """
+    A packet filter that can be applied to a link.
+    """
+
+    type: str = Field(..., description="Filter identifier used as key in the link 'filters' property")
+    name: str
+    description: str
+    parameters: List[LinkFilterParameter]