wwan: T3620: place interface in A/D state when removed

(cherry picked from commit 61e4d75abb1129f63df5a47b9c9bf0553850d893)

1 files changed, 16 insertions, 0 deletions

diff --git a/python/vyos/ifconfig/wwan.py b/python/vyos/ifconfig/wwan.py
index f18959a60..295f8bc2e 100644
--- a/python/vyos/ifconfig/wwan.py
+++ b/python/vyos/ifconfig/wwan.py
@@ -26,3 +26,19 @@ class WWANIf(Interface):
             'eternal': 'wwan[0-9]+$',
         },
     }
+
+    def remove(self):
+        """
+        Remove interface from operating system. Removing the interface
+        deconfigures all assigned IP addresses.
+        Example:
+        >>> from vyos.ifconfig import WWANIf
+        >>> i = WWANIf('wwan0')
+        >>> i.remove()
+        """
+
+        if self.exists(self.ifname):
+            # interface is always A/D down. It needs to be enabled explicitly
+            self.set_admin_state('down')
+
+        super().remove()