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August 23rd, 2025 19:33
Firmware upgrade for S4820T
Hi,
maybe a stupid question.
I have a Dell S4820T switch. Is it possible to upgrade my switch with now (FT)OS 9.14.1.14 to OS10?
The reason for my question is that it is not possible to use some commands.
e.g. switchport mode access ; is not available,
e.g switchport access vlan xx, not available.
Or
is it possible to configure the switch so that i can only use it as an normal switch.
I want to connect my internet on it, so that all my pc's can get internet.
Help, help help!!!
Marlon.
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DELL-Chris H
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August 25th, 2025 12:09
Marlon115,
The S4820T does not support OS10 upgrades, as it is a legacy platform designed to run FTOS (Force10 OS) only. Dell’s OS10 is supported on newer ON-series switches (e.g., S4048-ON, S4148T-ON, Z9100-ON), but not on the S4820T.
As far as to why the switchport command won't work, the commands are not part of FTOS syntax. FTOS uses a different model for Layer 2 configuration. Instead of switchport commands (common in Cisco IOS or OS10), FTOS uses.
Let me know if this helps.
Marlon115
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August 25th, 2025 18:43
Which switchport commands does FTOS use? I see I can do a lot, but these two crucial switchport commands are missing. I'd like to know what the replacement commands are? Thanks in advance.
Marlon115
DELL-Chris H
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August 25th, 2025 19:04
With FTOS I believe it would be something like
conf
interface tengigabitethernet 0/1
no ip address
switchport
switchport mode access
switchport access vlan 10
Marlon115
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August 25th, 2025 20:05
conf interface = OK tengigabitethernet 0/1 = OK no ip address = OK switchport = OK switchport mode access = Indicates: Error: invalid input at "^" and points to the word "access" You can only select 'private-vlan'. switchport access vlan 10. Entering the word 'access' here will also return an error.DELL-Chris H
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August 25th, 2025 20:20
So looking at page 722 here, it looks like Mode is only private vlan, but just doing switchport should have been enough to make it a layer 2 port