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Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/service_dhcpv6-server.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/conf_mode/service_dhcpv6-server.py b/src/conf_mode/service_dhcpv6-server.py index 01bbf3096..ccdecb410 100755 --- a/src/conf_mode/service_dhcpv6-server.py +++ b/src/conf_mode/service_dhcpv6-server.py @@ -223,12 +223,25 @@ def verify(dhcpv6): # Static mappings don't require anything (but check if IP is in subnet if it's set) if 'static_mapping' in subnet_config: + reserved_addresses = [] + reserved_prefixes = [] for mapping, mapping_config in subnet_config['static_mapping'].items(): if 'ipv6_address' in mapping_config: # Static address must be in subnet for address in mapping_config['ipv6_address']: if ip_address(address) not in ip_network(subnet): raise ConfigError(f'static-mapping address for mapping "{mapping}" is not in subnet "{subnet}"!') + if address in reserved_addresses: + raise ConfigError(f'Duplicate IPv6 address "{address}" in static-mapping "{mapping}" ' + f'within shared-network "{network}", subnet "{subnet}"!') + reserved_addresses.append(address) + + if 'ipv6_prefix' in mapping_config: + for prefix in mapping_config['ipv6_prefix']: + if prefix in reserved_prefixes: + raise ConfigError(f'Duplicate IPv6 prefix "{prefix}" in static-mapping "{mapping}" ' + f'within shared-network "{network}", subnet "{subnet}"!') + reserved_prefixes.append(prefix) if ('ipv6_address' not in mapping_config and 'ipv6_prefix' not in mapping_config): raise ConfigError('Either IPv6 address or IPv6 prefix must be set for static mapping ' |