Users Guide

Frequently asked questions
This chapter provides answers to frequently asked questions about OS10 installation, upgrade, and downgrade procedures.
Which firmware version should I use?
If you are using any of the following switch platforms:
● S4100-ON Series—Dell Technologies strongly recommends that you upgrade the following components on the switch
platforms before you upgrade OS10 to Release 10.5.2.3:
Table 9. S4100-ON Series
Platform ONIE version ONIE firmware version
S4112F-ON 3.33.1.1-9 3.33.5.1-23
S4112T-ON
S4128F-ON
S4128T-ON
S4148F-ON
S4148FE-ON
S4148T-ON
S4148U-ON
● S5200-ON Series—You must upgrade the following components on the switch platforms before you upgrade OS10 to
Release 10.5.2.3:
Table 10. S5200-ON Series
Platform ONIE version ONIE firmware version PCIe version
S5212F-ON 3.40.1.1-6 3.40.5.1-14 2.6
S5224F–ON 3.40.1.1-6 3.40.5.1-13 2.6
S5232F-ON
S5248F-ON
S5296F-ON
How long does it take to upgrade a single switch?
It takes from 20 to 45 minutes to upgrade a single switch depending on the switch platform and other parameters. Use the
show image status command to view the status of the upgrade.
How long does it take to upgrade a pair of VLT nodes?
Depending on the size of your deployment, it can take from 20 minutes to one hour to upgrade a pair of VLT nodes.
Will there be a production outage during an upgrade? If yes, for how long?
In a VLT setup, you do not see any production outage. If your OS10 nodes are not part of a VLT setup, you might need a
downtime of 30 minutes.
Which mode of file transfer should I use?
The type of file transfer that you use depends on your environment. OS10 supports the following file transfer methods:
● HTTP
● FTP
● SCP
● SFTP
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34 Frequently asked questions