From 913abd2413eaa7579de218f31dff6d561c3e32b3 Mon Sep 17 00:00:00 2001
From: Daniel Sheppard <dans@dansheps.com>
Date: Wed, 10 May 2023 11:26:02 -0500
Subject: [PATCH] Allow importing cables against master device for subordinate
 device interfaces

---
 netbox/dcim/forms/bulk_import.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/netbox/dcim/forms/bulk_import.py b/netbox/dcim/forms/bulk_import.py
index cdb59e9eb..de7575acb 100644
--- a/netbox/dcim/forms/bulk_import.py
+++ b/netbox/dcim/forms/bulk_import.py
@@ -1078,7 +1078,11 @@ class CableImportForm(NetBoxModelImportForm):
 
         model = content_type.model_class()
         try:
-            termination_object = model.objects.get(device=device, name=name)
+            if device.virtual_chassis and device.virtual_chassis.master == device and \
+                    model.objects.filter(device=device, name=name).count() == 0:
+                termination_object = model.objects.get(device__in=device.virtual_chassis.members.all(), name=name)
+            else:
+                termination_object = model.objects.get(device=device, name=name)
             if termination_object.cable is not None:
                 raise forms.ValidationError(f"Side {side.upper()}: {device} {termination_object} is already connected")
         except ObjectDoesNotExist: