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-rwxr-xr-xsrc/conf_mode/dhcpv6_server.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/conf_mode/dhcpv6_server.py b/src/conf_mode/dhcpv6_server.py
index b74106119..25f37d4fc 100755
--- a/src/conf_mode/dhcpv6_server.py
+++ b/src/conf_mode/dhcpv6_server.py
@@ -129,6 +129,10 @@ def verify(dhcpv6):
if ip_address(mapping_config['ipv6_address']) not in ip_network(subnet):
raise ConfigError(f'static-mapping address for mapping "{mapping}" is not in subnet "{subnet}"!')
+ if 'vendor_option' in subnet_config:
+ if len(dict_search('vendor_option.cisco.tftp_server', subnet_config)) > 2:
+ raise ConfigError(f'No more then two Cisco tftp-servers should be defined for subnet "{subnet}"!')
+
# Subnets must be unique
if subnet in subnets:
raise ConfigError(f'DHCPv6 subnets must be unique! Subnet {subnet} defined multiple times!')