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-rw-r--r--python/vyos/ifconfig.py23
1 files changed, 16 insertions, 7 deletions
diff --git a/python/vyos/ifconfig.py b/python/vyos/ifconfig.py
index 8f81bc9f6..a959e55d8 100644
--- a/python/vyos/ifconfig.py
+++ b/python/vyos/ifconfig.py
@@ -818,12 +818,22 @@ class VLANIf(Interface):
>>> i = Interface('eth0')
>>> i.remove()
"""
- # do we have sub interfaces (VLANs)?
- # we apply a regex matching subinterfaces (indicated by a .) of a
- # parent interface. 'bond0(?:\.\d+){1,2}' will match vif and vif-s/vif-c
- # subinterfaces
+ # Do we have sub interfaces (VLANs)? We apply a regex matching
+ # subinterfaces (indicated by a .) of a parent interface.
+ #
+ # As interfaces need to be deleted "in order" starting from Q-in-Q
+ # we delete them first.
+ vlan_ifs = [f for f in os.listdir(r'/sys/class/net') \
+ if re.match(self._ifname + r'(?:\.\d+)(?:\.\d+)', f)]
+
+ for vlan in vlan_ifs:
+ Interface(vlan).remove()
+
+ # After deleting all Q-in-Q interfaces delete other VLAN interfaces
+ # which probably acted as parent to Q-in-Q or have been regular 802.1q
+ # interface.
vlan_ifs = [f for f in os.listdir(r'/sys/class/net') \
- if re.match(self._ifname + r'(?:\.\d+){1,2}', f)]
+ if re.match(self._ifname + r'(?:\.\d+)', f)]
for vlan in vlan_ifs:
Interface(vlan).remove()
@@ -897,8 +907,7 @@ class VLANIf(Interface):
>>> i.del_vlan()
"""
vlan_ifname = self._ifname + '.' + str(vlan_id)
- tmp = VLANIf(vlan_ifname)
- tmp.remove()
+ VLANIf(vlan_ifname).remove()
class EthernetIf(VLANIf):