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Forum Discussion
smiya
May 21, 2019Aspirant
I want to disable STP on specific ports only
I want to disable STP on specific ports only. (I do not want to disable the entire STP)
In [Switchng]-[Ports]-[PortConfigration] Check the port you want to disable.
Select STPmode to Disable an...
schumaku
May 21, 2019Guru - Experienced User
Aehm, yes ... of course.
smiya
May 22, 2019Aspirant
Thank you very much.
I did not want to touch Netgear's devices, so I wanted you to tell me.
- msiMay 22, 2019Luminary
Disabling STP on a port basis seems possible, but I'd really reconsider the reasoning as to why you'd want to do that. You can disable it in the interface context (at least on the M4300's) using the 'no spannin-tree port mode' command in the CLI.
If a loop is caused by such a port it cannot be stopped to quickly become a broadcast storm tearing down larger segments of your network. It's like using a safety belt for the driver but not your passengers.
There are other ways if you run into issues because STP blocks a port for a short time before it becomes online like 'spanning-tree edgeport' and using RSTP or MSTP instead of the legacy STP protocol.- smiyaMay 22, 2019Aspirant
The reason that STP is invalidated at a specific port.
I'd like to link 2 of LAN by a connection with the switch.
But when 2 of LAN is linked, a loop occurs, and a port is downed.
2 LANs use VLAN1 and VLAN245 respectively.
(I'm using AccessPort.)
A connection destination of 2 LANs is the same switch.
Dell SWICH
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NetGear(M5300)But for a loop to occur to use different VLAN by 2 of LAN, a possibility that it's blocked in STP is considered.
- schumakuMay 22, 2019Guru - Experienced User
The elegant solution would be the configuration of a tagged trunk (LAG), carrying traffic for both [V]LANs.
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