From a963a9e0f75ee538b4cd5b5f907621cda2d1228a Mon Sep 17 00:00:00 2001
From: pavel <pavel.larkin@ikeja.co.za>
Date: Mon, 9 Mar 2026 08:28:28 +0200
Subject: [PATCH] 0823

---
 files/nats_registration_listener.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/files/nats_registration_listener.py b/files/nats_registration_listener.py
index f3f7851..36c8a42 100644
--- a/files/nats_registration_listener.py
+++ b/files/nats_registration_listener.py
@@ -73,6 +73,15 @@ PRODUCT_TAG_SLUG = {
     # "fox200": "fox200-auto-upgrade-latest",
 }
 
+# MACs to ignore completely when seen in registrations
+IGNORE_MACS_RAW = [
+    "AA:BB:CC:DD:EE:FF",
+    "D0:6C:37:00:D5:84",
+    "44:D1:FA:7E:3F:65",
+    "D0:6C:37:00:E6:D8",
+    "C4:93:00:4E:92:7C",
+]
+
 # Global counter for any NetBox-related problems
 NB_PROBLEM_COUNTER = 0
 NB_PROBLEM_LOCK = asyncio.Lock()
@@ -173,6 +182,9 @@ def normalize_mac(mac: str) -> Optional[str]:
     return None
 
 
+IGNORE_MACS = {m for m in (normalize_mac(x) for x in IGNORE_MACS_RAW) if m}
+
+
 def http_get_json(url: str, params: Optional[Dict[str, str]] = None, headers: Optional[Dict[str, str]] = None, timeout: float = NB_TIMEOUT):
     if params:
         url = f"{url}?{urlencode(params)}"