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-rw-r--r--resources/libraries/python/InterfaceUtil.py12
1 files changed, 8 insertions, 4 deletions
diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 16acdf3214..5d6d8f7044 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -950,10 +950,14 @@ class InterfaceUtil(object):
ipv6 = 'ipv6' if ipv6 else ''
with VatTerminal(node) as vat:
- vat.vat_terminal_exec_cmd_from_template("set_fib_to_interface.vat",
- sw_index=sw_if_index,
- vrf=table_id,
- ipv6=ipv6)
+ ret = vat.vat_terminal_exec_cmd_from_template(
+ "set_fib_to_interface.vat",
+ sw_index=sw_if_index, vrf=table_id, ipv6=ipv6)
+
+ if ret[0]["retval"] != 0:
+ raise RuntimeError('Unable to assign interface to FIB node {}.'
+ .format(node))
+
@staticmethod
def set_linux_interface_mac(node, interface, mac, namespace=None):