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-rwxr-xr-xsrc/conf_mode/interfaces-virtual-ethernet.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/conf_mode/interfaces-virtual-ethernet.py b/src/conf_mode/interfaces-virtual-ethernet.py
index b1819233c..53422ad2d 100755
--- a/src/conf_mode/interfaces-virtual-ethernet.py
+++ b/src/conf_mode/interfaces-virtual-ethernet.py
@@ -53,6 +53,13 @@ def get_config(config=None):
def verify(veth):
if 'deleted' in veth:
verify_bridge_delete(veth)
+ # Prevent to delete veth interface which used for another "vethX peer-name"
+ for iface, iface_config in veth['other_interfaces'].items():
+ if veth['ifname'] in iface_config['peer_name']:
+ ifname = veth['ifname']
+ raise ConfigError(
+ f'Cannot delete "{ifname}" used for "interface {iface} peer-name"'
+ )
return None
verify_vrf(veth)