snmp: T2042: stricter validation when deleting SNMP in combination with LLDP

A consistency check was missing to prevent deleting the SNMP configuration
but still setting "service lldp snmp enable".

1 files changed, 5 insertions, 0 deletions

diff --git a/src/conf_mode/snmp.py b/src/conf_mode/snmp.py
index b0ceb22b4..e6253b2a8 100755
--- a/src/conf_mode/snmp.py
+++ b/src/conf_mode/snmp.py
@@ -537,6 +537,11 @@ def get_config():
 
 def verify(snmp):
     if snmp is None:
+        # we can not delete SNMP when LLDP is configured with SNMP
+        conf = Config()
+        if conf.exists('service lldp snmp enable'):
+            raise ConfigError('Can not delete SNMP service, as LLDP still uses SNMP!')
+
         return None
 
     ### check if the configured script actually exist