Cisco Catalyst Center Third-Generation Appliance Installation Guide, Release 3.1.x

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Existing HA deployment of the primary node with standard interface configurations

Updated: April 3, 2026

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Overview

Instructions for deploying an existing Catalyst Center HA cluster, where the primary node uses standard interface configurations.

To deploy an existing HA cluster, where the primary node uses the required interface cable configurations, complete these steps.

Procedure

1.

Upgrade the primary node to the latest release of Catalyst Center.

For information about upgrading your current release of Catalyst Center, see the Cisco Catalyst Center Upgrade Guide.
2.

Confirm that you are using the required interface cable configurations on the primary node.

See Interface cable connections.
3.

Update the virtual IP address (if the virtual IP address is not yet added).

See Reconfigure the appliance using the Configuration wizard.
4.

Configure the second and third appliances in the cluster:
5.

Check the GlusterFS size:

  1. Contact the Cisco TAC to obtain a challenge token.

  2. Open a restricted shell and run the sudo du -h /data/maglev/srv/maglev-system/glusterfs/mnt/bricks/default_brick/ | tail -1 | awk '{print $1}' command.

If the GlusterFS file system size is larger than 150 GB, complete the steps described in Existing HA deployment of primary node with nonstandard interface configurations.