Switch Operating System Selection for Universal Hardware

Extreme Switching Universal Hardware offers a family of switches that allow you to choose from among the Extreme flagship operating systems (OS) to install and run on your switch: EXOS (default) or VOSS.

Extreme recommends onboarding your switch with ExtremeCloud IQ (XIQ). Log in or create your XIQ administrator account in order to select your switch OS with XIQ at: https://extremecloudiq.com

Operating system selection and activation can be done via the following:
1. XIQ – automatically by pre-selecting the preferred switch OS.
2. Bootloader menu – option to change the switch OS on initial activation only.
3. Startup menu in EXOS CLI – post-Bootloader menu prompt.

Initial OS Selection

This section describes Universal Hardware OS selection for factory-shipped devices.

Selecting your switch OS with XIQ

To auto-activate the preferred switch OS once in XIQ, complete the following steps:
1. Under Add Devices, select the OS you want to run, then Select Next.
The preferred switch OS can also be selected as part of bulk onboarding using the CSV file option.
2. Complete the remaining onboarding steps. Optionally, you can skip to the summary.
3. Once you have reviewed your selections, select Finish. XIQ will send an image update request to the switch.

Selecting your switch OS with the Bootloader menu

To change the switch OS via the Bootloader menu, complete the following steps:
1. Connect the switch to a console with a baud rate of 115200.
2. Once the switch is powered for the first time, after seeing the “5520 Boot Menu” screen, press the spacebar key within 30 seconds.
3. Use the down-arrow key to select “Change the switch OS to VOSS”, then select Enter.
4. The switch will install VOSS, then reset.

Selecting your switch OS with the Startup menu

To change the switch OS if you take no action during the initial boot, complete the following steps:
1. Connect to the switch via telnet, SSH, or console with a baud rate of 115200.
2. Login to the EXOS CLI with username: admin and no password, then select Enter.
3. The switch prompts you to choose which switch personality you want to use:
“Would you like to change the switch OS to VOSS? [y/N/q]:”
• To select ExtremeXOS, type N or q.
• To select VOSS, type y.”
4. The switch will install VOSS, then reset.

Changing Your Switch OS After Initial Activation

This section describes changing your switch OS after initial configuration.

Changing your switch OS with XIQ

To change your switch OS with XIQ, complete the following steps:
1. Log in to your XIQ Administrator account at https://extremecloudiq.com.
2. Use the wizard to select Devices.
3. Check all the devices you want to change.
4. Select Actions to bring up the actions drop-down menu.
5. Select Change OS to change your switch persona, then select Save.
Result: XIQ will send an image update request to the switch.

Upgrade the Network Operating System Image

Use this procedure in XIQ to upgrade the NOS:

1. Select all the devices you want to upgrade.
2.Use the wizard to select Upgrade Devices.
3. Select Upgrade IQ Engine and Extreme Network Switch Images.
4. Select Upgrade to Latest Version.
5. Check “Upgrade even if the versions are the same.”
Note: Ensure step 5 is completed in the case of a Firmware Upgrade for VOSS.

Changing your switch OS running EXOS

To change the switch OS from EXOS to VOSS, See “Changing the Network Operating System” in ExtremeXOS User Guide at: https://documentation.extremenetworks.com/exos_31.1/

Changing your switch OS running VOSS

To change the switch OS from VOSS to EXOS, see Procedure to Switch from VOSS to EXOS at:
https://documentation.extremenetworks.com/VOSS/SW/82x/SwitchFromVOSSToEXOS.pdf