Symptom

Backup one N9K configuration to bootflash. Erase the N9K configuration and reload it.the N9K configuration is empty.Copy bootflash backup-configuration to startup-config.Reload the N9K again.Local user can't login with console and fex port-configuration is loss. Restoring the configuration. **********************"aaa authentication login console local" is not working**************** User Access Verification login: vzwtest Password: Login incorrect User Access Verification login: anauser Password: Login incorrec User Access Verification AQ13-PT-9332PQ-01 login: anauser Password: Cisco Nexus Operating System (NX-OS) Software TAC support: http://www.cisco.com/tac Copyright (C) 2002-2016, Cisco and/or its affiliates. All rights reserved. The copyrights to certain works contained in this software are owned by other third parties and used and distributed under their own licenses, such as open source. This software is provided "as is," and unless otherwise stated, there is no warranty, express or implied, including but not limited to warranties of merchantability and fitness for a particular purpose. Certain components of this software are licensed under the GNU General Public License (GPL) version 2.0 or GNU General Public License (GPL) version 3.0 or the GNU Lesser General Public License (LGPL) Version 2.1 or Lesser General Public License (LGPL) Version 2.0. A copy of each such license is available at http://www.opensource.org/licenses/gpl-2.0.php and http://opensource.org/licenses/gpl-3.0.html and http://www.opensource.org/licenses/lgpl-2.1.php and http://www.gnu.org/licenses/old-licenses/library.txt. AQ13-PT-9332PQ-01# show run aaa all !Command: show running-config aaa all !Time: Wed Mar 1 03:04:49 2017 version 7.0(3)I5(1) logging level aaa 2 aaa authentication login default group AAA aaa authentication login console local aaa authorization ssh-publickey default local aaa authorization ssh-certificate default local aaa accounting default local aaa user default-role aaa authentication login default fallback error local aaa authentication login console fallback error local login on-failure log no login on-success log no aaa authentication login invalid-username-log aaa authentication login error-enable no aaa authentication login mschap enable no aaa authentication login mschapv2 enable no aaa authentication login chap enable no aaa authentication login ascii-authentication no radius-server directed-request AQ13-PT-9332PQ-01# AQ13-PT-9332PQ-01# show run | in username username admin password 5 $5$QTLyrFjQ$VfdmhLhvjTjnKsdChArG45xdTOU5yHWADJqjRdWT25 2 role network-admin username POAP password 5 ! role network-admin username snmp password 5 ! role network-admin username darth password 5 ! role network-admin username day2nec password 5 ! role network-admin username day2nec role vdc-admin username day2nec1 password 5 ! role network-admin username day2nec1 role vdc-admin username speast password 5 $5$3yDKAsYx$/376GNS8Ed8k8NkOtvinB8Apr9Uvmc8YJX8UjJbrZ JD role vdc-admin username vzwtest password 5 $5$SXssRTDU$gcBqufxVLhSicm27MuiFcSlE0VKPIH9LhPlWfTb8 1K2 role network-admin *****************************FEX port-configuration loss************************ Before: interface Ethernet111/1/1 description Connection to PT-4948:GE1/9 lacp rate fast switchport access vlan 121 channel-group 122 mode active no shutdown interface Ethernet111/1/2 description Connection to PT-4948:GE1/10 lacp rate fast switchport access vlan 121 channel-group 122 mode active no shutdown interface Ethernet111/1/3 interface Ethernet111/1/4 After: interface Ethernet111/1/1 interface Ethernet111/1/2 interface Ethernet111/1/3 interface Ethernet111/1/4

Conditions

Erase configuration and restore it.

Workaround

AAA issue: aaa authentication login console none aaa authentication login console local FEX issue: Copy port-configuration from backup-configuration

Further Problem Description