T4935: ospfv3: bugfix KeyError: 'range'

Commit 1fc7e30f ('T4935: ospfv3: "not-advertise" and "advertise" conflict')
added a check for not-advertive and advertise in the same area but lacked a
test if the key really exists in the dict which is to be validated.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/conf_mode/protocols_ospfv3.py b/src/conf_mode/protocols_ospfv3.py
index 7cc36b58c..ed0a8fba2 100755
--- a/src/conf_mode/protocols_ospfv3.py
+++ b/src/conf_mode/protocols_ospfv3.py
@@ -117,9 +117,10 @@ def verify(ospfv3):
             if 'area_type' in area_config:
                 if len(area_config['area_type']) > 1:
                     raise ConfigError(f'Can only configure one area-type for OSPFv3 area "{area}"!')
-            for range, range_config in area_config['range'].items():
-                if {'not_advertise', 'advertise'} <= range_config.keys():
-                    raise ConfigError(f'"not-advertise" and "advertise" for "range {range}" cannot be both configured at the same time!')
+            if 'range' in area_config:
+                for range, range_config in area_config['range'].items():
+                    if {'not_advertise', 'advertise'} <= range_config.keys():
+                        raise ConfigError(f'"not-advertise" and "advertise" for "range {range}" cannot be both configured at the same time!')
 
     if 'interface' in ospfv3:
         for interface, interface_config in ospfv3['interface'].items():