Here are the steps to reset a Fabric Interconnect pair and set them up from scratch.
Step 1 – Reset Fabric Interconnects to factory defaults
Erase configuration on both Fabric A and Fabric B:
old-swfi01-A# connect local-mgmt
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2009, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php
(local-mgmt)# erase configuration
Step 2 – Initial Configuration
Fabric A:
—- Basic System Configuration Dialog —-
This setup utility will guide you through the basic configuration of
the system. Only minimal configuration including IP connectivity to
the Fabric interconnect and its clustering mode is performed through these steps.
Type Ctrl-C at any time to abort configuration and reboot system.
To back track or make modifications to already entered values,
complete input till end of section and answer no when prompted
to apply configuration.
Enter the configuration method. (console/gui) [console] ?
Enter the setup mode; setup newly or restore from backup. (setup/restore) ? setup
You have chosen to setup a new Fabric interconnect. Continue? (y/n): y
Enforce strong password? (y/n) [y]:
Enter the password for "admin":
Confirm the password for "admin":
Is this Fabric interconnect part of a cluster(select 'no' for standalone)? (yes/no) [n]: yes
Enter the switch fabric (A/B) []: A
Enter the system name: test-lab
Physical Switch Mgmt0 IP address : 10.0.136.21
Physical Switch Mgmt0 IPv4 netmask : 255.255.255.0
IPv4 address of the default gateway : 10.0.136.1
Cluster IPv4 address : 10.0.136.20
Configure the DNS Server IP address? (yes/no) [n]:
Configure the default domain name? (yes/no) [n]:
Join centralized management environment (UCS Central)? (yes/no) [n]:
Following configurations will be applied:
Switch Fabric=A
System Name=test-lab
Enforced Strong Password=yes
Physical Switch Mgmt0 IP Address=10.0.136.21
Physical Switch Mgmt0 IP Netmask=255.255.255.0
Default Gateway=10.0.136.1
Ipv6 value=0
Cluster Enabled=yes
Cluster IP Address=10.0.136.20
NOTE: Cluster IP will be configured only after both Fabric Interconnects are initialized
Apply and save the configuration (select 'no' if you want to re-enter)? (yes/no): yes
Applying configuration. Please wait.
Configuration file – Ok
Fabric B:
—- Basic System Configuration Dialog —-
This setup utility will guide you through the basic configuration of
the system. Only minimal configuration including IP connectivity to
the Fabric interconnect and its clustering mode is performed through these steps.
Type Ctrl-C at any time to abort configuration and reboot system.
To back track or make modifications to already entered values,
complete input till end of section and answer no when prompted
to apply configuration.
Enter the configuration method. (console/gui) ? console
Installer has detected the presence of a peer Fabric interconnect. This Fabric interconnect will be added to the cluster. Continue (y/n) ? y
Enter the admin password of the peer Fabric interconnect:
Connecting to peer Fabric interconnect… done
Retrieving config from peer Fabric interconnect… done
Peer Fabric interconnect Mgmt0 IPv4 Address: 10.0.136.21
Peer Fabric interconnect Mgmt0 IPv4 Netmask: 255.255.255.0
Cluster IPv4 address : 10.0.136.20
Peer FI is IPv4 Cluster enabled. Please Provide Local Fabric Interconnect Mgmt0 IPv4 Address
Physical Switch Mgmt0 IP address : 10.0.136.22
Apply and save the configuration (select 'no' if you want to re-enter)? (yes/no): yes
Applying configuration. Please wait.
Mon Jan 27 15:54:23 UTC 2020
Configuration file – Ok
Cisco UCS 6200 Series Fabric Interconnect