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Forum Discussion
samarthengineer
Apr 24, 2025Aspirant
GS724Tv6 and Use of STP
Hello, In a network scenario, we have total 5 Netgear switches. We have 2 GS724Tv6 switches and 3 GS724TPv3 switches. Check the topology below: When we implemented this design, I found that on...
- Apr 24, 2025
Taking control of STP (resp the preferred RSTP) is the key here, and not leaving the switches on the default priority.
--
DSW-1: 4096
DSW-2: 8192
--
PSW-1: 40860
PSW-2: 44965
PSW-3: 49052
--
Does that load balancer participate in STP/RSTP? If yes, enable and configure it accordingly:
--
LB: 4096
--
DSW-1: 8192
DSW-2: 12288
--
PSW-1: 40860
PSW-2: 44965
PSW-3: 49052
--
schumaku
Apr 24, 2025Guru - Experienced User
Taking control of STP (resp the preferred RSTP) is the key here, and not leaving the switches on the default priority.
--
DSW-1: 4096
DSW-2: 8192
--
PSW-1: 40860
PSW-2: 44965
PSW-3: 49052
--
Does that load balancer participate in STP/RSTP? If yes, enable and configure it accordingly:
--
LB: 4096
--
DSW-1: 8192
DSW-2: 12288
--
PSW-1: 40860
PSW-2: 44965
PSW-3: 49052
--
samarthengineer
Apr 24, 2025Aspirant
Hello schumaku
According to STP's root-Bridge Election criteria:
1. Switch with the lowest priority
2. If priority is same, switch with the lowest base MAC address
So if you check arrangement of switches here in my topology, I have placed switches accordingly.
DSW1: 54:07:7D:2D:A9:C8
DSW2: 54:07:7D:2D:AF:3C
PSW1: 54:07:7D:86:75:53
PSW2: 54:07:7D:86:7C:07
PSW3: 54:07:7D:86:F2:A2
Load Balancer Router: A8-6E-84-21-99-56
Based on this, DSW1 should be root-bridge. So is this mandatory to change the priority of the switches?
And if I remove, load balancer router from the topology (considering it does not participate in STP), still have I to change the priorities?
Regards,
Sagar Patel
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