From 60f009defadb9d36bf84def1e839cb11a0b3d619 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Wed, 30 Mar 2022 19:19:54 +0200
Subject: vyos.ifconfig: T4319: add_addr() should not add IPv6 address if it's
 disabled

---
 python/vyos/ifconfig/interface.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index 22265cc3c..6b9a4d03e 100755
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -1083,6 +1083,10 @@ class Interface(Control):
 
         addr_is_v4 = is_ipv4(addr)
 
+        # Failsave - do not add IPv6 address if IPv6 is disabled
+        if is_ipv6(addr) and not is_ipv6_enabled():
+            return False
+
         # add to interface
         if addr == 'dhcp':
             self.set_dhcp(True)
-- 
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