Note

The documentation set for this product strives to use bias-free language. For purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product.

This document describes how to upgrade firmware on Cisco Secure Network Server (SNS) 3600 series appliance.

Note	We recommend that you gracefully shutdown the ISE services on the Cisco SNS appliance before performing this upgrade.

You can upgrade to Cisco SNS 36x5 firmware release 4.3(2.240009) from the following releases:

• 4.3(2.230207)

• 4.2(3b)

• 4.2(2)

• 4.1(3)

• 4.1(2)

• 4.1(1)

• 4.0(4)

Note

If you are upgrading from firmware release 4.3(2.230207), you can directly perform the Host Upgrade Utility (HUU) ISO upgrade using the SNS-36xx-HUU-4.3.2.240009_ISE.iso file. For other releases, you must first upgrade the BIOS firmware using the SNS-36xx-BIOS-4-3-2a_ISE.cap file and then perform the HUU ISO upgrade using the SNS-36xx-HUU-4.3.2.240009_ISE.iso file. You must download these files from the Cisco ISE Software Download site.

For more information about the firmware release 4.3(2.240009), see the Release Notes for Cisco UCS Rack Server Software, Release 4.3(2).

You can upgrade to Cisco SNS 36x5 firmware release 4.3(2.230207) from the following releases:

• 4.2(3d)

• 4.2(3b)

• 4.2(2)

• 4.1(3)

• 4.1(2)

• 4.1(1)

• 4.0(4)

You can upgrade to Cisco SNS 36x5 firmware release 4.2(3d) from the following releases:

• 4.2(3b)

• 4.2(1)

• 4.1(3)

• 4.1(2)

• 4.1(1)

• 4.0(4)

You can upgrade to Cisco SNS 36x5 firmware release 4.2(2b) from the following releases:

• 4.1(3m)

• 4.1(3e)

You can upgrade to Cisco SNS 36x5 firmware release 4.1(3b) from the following releases:

• 4.0(1g)

• 4.0(4h)

• 4.0(4m)

For more information, see the Release Notes for Cisco UCS Rack Server Software, Release 4.1(3).

The following files are required for the upgrade:

• SNS-36xx-BIOS-4-x-xx-x_ISE.cap file (BIOS firmware for Cisco SNS 3600 series appliance)

• SNS-36xx-HUU-4.x.xx_ISE.iso (HUU .iso file for Cisco SNS 3600 series appliance)

You must download these files from the Cisco ISE Software Download site.

Note	The screenshots given in this document were taken while upgrading the firmware from 4.0(4m) to 4.1(3b). These screenshots are given for reference purpose only.