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-rwxr-xr-xsrc/conf_mode/interface-bridge.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/conf_mode/interface-bridge.py b/src/conf_mode/interface-bridge.py
index fc1243867..c5c5bd4ac 100755
--- a/src/conf_mode/interface-bridge.py
+++ b/src/conf_mode/interface-bridge.py
@@ -23,6 +23,7 @@ import subprocess
import vyos.configinterface as VyIfconfig
+from netifaces import interfaces
from vyos.config import Config
from vyos import ConfigError
@@ -189,6 +190,10 @@ def verify(bridge):
if intf['name'] in tmp:
raise ConfigError('Interface "{}" belongs to bridge "{}" and can not be enslaved.'.format(intf['name'], bridge['intf']))
+ # the interface must exist prior adding it to a bridge
+ for intf in bridge['member']:
+ if intf['name'] not in interfaces():
+ raise ConfigError('Can not add non existing interface "{}" to bridge "{}"'.format(intf['name'], bridge['intf']))
return None