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August 29th, 2025 09:38
OS10.6: port-fast?
Hello,
Among other wisdom, the OS10 User Guide for 10.6 says:
Most of the PXE clients do not support switching before a PXE boot. As a result, data loops do not form between the SmartFabric OS10 nodes and PXE clients on or before PXE boot process. For such cases, Dell Technologies recommends enabling port-fast on the LACP individual LAG that connects to the PXE client
However, it doesn't say HOW and I can't find the named option on my S5232F-ON running 10.6. I'm being dumb, does anyone know how to turn it on, please? I'm using RSTP.
Cheers,
Mark
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DELL-Marco B
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September 1st, 2025 12:14
Hello,
did you check this documentation, it can be helpful?
How to manage Rapid Spanning Tree (RSTP) Thru Command Line on Dell Networking PowerConnect Switches | Dell US
Thanks
Mark989
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September 1st, 2025 13:19
Hi Marco, many thanks for your suggestion.
Unfortunately, that document is for OS 9. If I attempt to do this on OS 10, I don't have an interface "spanning-tree portfast" option:
switch# configure terminal
switch(config)# interface ethernet 1/1/10
switch(conf-if-eth1/1/10)# spanning-tree portfast
% Error: Illegal parameter.
switch(conf-if-eth1/1/10)# spanning-tree ?
bpdufilter BPDU filter on the interface
bpduguard BPDU guard on the interface
disable Disable stp on the interface
guard Guard type Loop or Root or None
link-type Detemine link type based on media duplex of this interface
msti Spanning Tree Subsystem
port Set port type
rapid-pvst Spanning Tree Rapid-pvst Subsystem
rstp Set rstp parameters for interface
vlan Select vlan range option
Any ideas, please?
Thanks,
Mark
DELL-Marco B
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September 1st, 2025 17:04
Sorry some information about OS10
Spanning Tree | H3 headings | Dell Technologies Info Hub
Mark989
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September 2nd, 2025 08:25
Bingo, thanks Marco - that document tells me that `spanning-tree port type edge` on OS10 achieves the equivalent job of `spanning-tree portfast` on OS9.
Could the OS10 documentation be updated, please? Pages 558, 563 and 567 in Dell SmartFabric OS10 User Guide Release 10.6.0 all refer to enabling port-fast, when presumably they should be recommending changing the port type to edge.