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-rwxr-xr-xsrc/conf_mode/service_dhcp-server.py11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/conf_mode/service_dhcp-server.py b/src/conf_mode/service_dhcp-server.py
index 4c0d2cb0c..9632b91fc 100755
--- a/src/conf_mode/service_dhcp-server.py
+++ b/src/conf_mode/service_dhcp-server.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2018-2023 VyOS maintainers and contributors
+# Copyright (C) 2018-2024 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -234,6 +234,7 @@ def verify(dhcp):
# Static mappings require just a MAC address (will use an IP from the dynamic pool if IP is not set)
used_ips = []
used_mac = []
+ used_duid = []
for mapping, mapping_config in subnet_config['static_mapping'].items():
if 'ip_address' in mapping_config:
if ip_address(mapping_config['ip_address']) not in ip_network(subnet):
@@ -246,14 +247,18 @@ def verify(dhcp):
f'static mapping "{mapping}" within shared-network "{network}, {subnet}"!')
if mapping_config['ip_address'] in used_ips:
- raise ConfigError(f'Configured IP address for static mapping "{mapping}" exists on another static mapping')
+ raise ConfigError(f'Configured IP address for static mapping "{mapping}" already exists on another static mapping')
used_ips.append(mapping_config['ip_address'])
if 'mac' in mapping_config:
if mapping_config['mac'] in used_mac:
- raise ConfigError(f'Configured MAC address for static mapping "{mapping}" exists on another static mapping')
+ raise ConfigError(f'Configured MAC address for static mapping "{mapping}" already exists on another static mapping')
used_mac.append(mapping_config['mac'])
+ if 'duid' in mapping_config:
+ if mapping_config['duid'] in used_duid:
+ raise ConfigError(f'Configured DUID for static mapping "{mapping}" already exists on another static mapping')
+ used_duid.append(mapping_config['duid'])
# There must be one subnet connected to a listen interface.
# This only counts if the network itself is not disabled!