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-rw-r--r--python/vyos/util.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py
index ab5029c92..17a7dda91 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -645,3 +645,13 @@ def dict_search(path, dict):
for p in parts[:-1]:
c = c.get(p, {})
return c.get(parts[-1], None)
+
+def get_json_iface_options(interface):
+ """ Returns the used encapsulation protocol for given interface.
+ If interface does not exist, None is returned.
+ """
+ if not os.path.exists(f'/sys/class/net/{interface}'):
+ return None
+ from json import loads
+ tmp = loads(cmd(f'ip -d -j link show {interface}'))[0]
+ return tmp