diff options
| -rw-r--r-- | python/vyos/configverify.py | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/python/vyos/configverify.py b/python/vyos/configverify.py index d1519b0ac..264dd1c30 100644 --- a/python/vyos/configverify.py +++ b/python/vyos/configverify.py @@ -91,9 +91,26 @@ def verify_dhcpv6(config): Common helper function used by interface implementations to perform recurring validation of DHCPv6 options which are mutually exclusive. """ - if {'parameters_only', 'temporary'} <= set(config.get('dhcpv6_options', {})): - raise ConfigError('DHCPv6 temporary and parameters-only options ' - 'are mutually exclusive!') + if 'dhcpv6_options' in config: + from vyos.util import vyos_dict_search + if {'parameters_only', 'temporary'} <= set(config['dhcpv6_options']): + raise ConfigError('DHCPv6 temporary and parameters-only options ' + 'are mutually exclusive!') + + # It is not allowed to have duplicate SLA-IDs as those identify an + # assigned IPv6 subnet from a delegated prefix + for pd in vyos_dict_search(config, 'dhcpv6_options.pd'): + sla_ids = [] + for interface in vyos_dict_search(config, f'dhcpv6_options.pd.{pd}.interface'): + sla_id = vyos_dict_search(config, + f'dhcpv6_options.pd.{pd}.interface.{interface}.sla_id') + sla_ids.append(sla_id) + + # Check for duplicates + duplicates = [x for n, x in enumerate(sla_ids) if x in sla_ids[:n]] + if duplicates: + raise ConfigError('Site-Level Aggregation Identifier (SLA-ID) ' + 'must be unique per prefix-delegation!') def verify_vlan_config(config): """ |