kea: T7913: Fixes for ping-check handling

- Kea docs state multi-threaded mode is required for ping checking.
- Parent scope needs enabling if shared-network/subnet has ping-check enabled.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/conf_mode/service_dhcp-server.py b/src/conf_mode/service_dhcp-server.py
index a1294d77e..c022d0a96 100755
--- a/src/conf_mode/service_dhcp-server.py
+++ b/src/conf_mode/service_dhcp-server.py
@@ -32,6 +32,7 @@ from vyos.pki import wrap_private_key
 from vyos.template import render
 from vyos.utils.dict import dict_search
 from vyos.utils.dict import dict_search_args
+from vyos.utils.dict import dict_search_recursive
 from vyos.utils.file import chmod_775
 from vyos.utils.file import makedir
 from vyos.utils.file import write_file
@@ -226,6 +227,9 @@ def get_config(config=None):
                 no_tag_node_value_mangle=True,
             )
 
+    if bool(list(dict_search_recursive(dhcp, 'ping_check'))):
+        dhcp['any_ping_check'] = True
+
     return dhcp
 
 def verify_ddns_domain_servers(domain_type, domain):