[INFO] Creating configuration snippets [CREATED] dut: initial,ospf [CREATED] x1: initial,ospf [INFO] Executing initial configuration for node dut [INFO] Executing initial configuration for node x1 [INFO] Executing ospf configuration for node dut [INFO] Executing ospf configuration for node x1 Results of configuration script deployments ================================================================================ dut OK: 2 x1 OK: 2 This lab tests the advertised prefix of the loopback interface. According to RFC 5340, section 4439, the advertised prefix length of the loopback interface should always be /128.