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-rw-r--r--python/vyos/ifconfig/interface.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index fc33430eb..f62b9f7d2 100644
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -1709,6 +1709,14 @@ class VLANIf(Interface):
if self.exists(f'{self.ifname}'):
return
+ # If source_interface or vlan_id was not explicitly defined (e.g. when
+ # calling VLANIf('eth0.1').remove() we can define source_interface and
+ # vlan_id here, as it's quiet obvious that it would be eth0 in that case.
+ if 'source_interface' not in self.config:
+ self.config['source_interface'] = '.'.join(self.ifname.split('.')[:-1])
+ if 'vlan_id' not in self.config:
+ self.config['vlan_id'] = self.ifname.split('.')[-1]
+
cmd = 'ip link add link {source_interface} name {ifname} type vlan id {vlan_id}'
if 'protocol' in self.config:
cmd += ' protocol {protocol}'