Meraki spanning tree issues. Mar 2, 2025 · Multiple issues - offline clients, unresponsive dashboard, spanning tree (all at once!) I'm dying here and it's only Sunday! (my wife and I work from home so this is an enterprise network 🙂 ) Version : 1 advertisement version: 2 Power drawn: 12. Other vendors may have quirky ways they implement spanning tree or vendor specific additional protocols. Cisco switches are scalable and cost-efficient and meet the demands of hybrid work. VLAN21 does that switch then send BPDUs using Sep 8, 2021 · For further mitigation today I added "spanning-tree guard root" to all ports on the Catalyst 6509 and added this to the config: spanning-tree portfast edge bpduguard default I'm hoping this will help prevent spanning tree from going totally haywire again. Port level STP settings, including enabling or disabling RSTP on a port and configuring STP guards, can also be configured. Whilst I am a Meraki employee, some of what I post may be opinion (especially architecture!). Dec 11, 2024 · What spanning tree mode are the Arubas set to? Meraki switches only support a single instance of spanning tree. Mar 2, 2025 · The issues seen with our shards will affect dashboard page load times, from our perspective. Dec 13, 2024 · What spanning tree mode are the Arubas set to? Meraki switches only support a single instance of spanning tree. Mar 7, 2022 · The Meraki is an MS-220-8P, running version 14. 33 Here is the SPT config from the Cisco's: Core-Pri#sh run | in spann spanning-tree mode rapid-pvst spanning-tree extend system-id spanning-tree vlan 1-4094 priority 4096 Core-Pri#sh spann vlan 1 VLAN0001 Spanning tree enabled protocol rstp Root ID Priority 4097 Address c062. Priorities: If your L2 switch is trying to take the job as spanning tree root, it might be it has the same spanning priority - i. Ive noticed that despite setting up my core switch meraki as the root bridge, my 2960 is being selected as the root bridge for all the other vlans except vlan 1. . ) and the edge the biggest (40960+). Configuring Spanning Tree on Meraki Switches (MS) Network-wide STP settings, including enabling RSTP and setting the bridge priority on MS switches, can be configured in the Meraki Dashboard. g. 20 on the switch management page, but manually configure a switch to fx. This document describes recommendations to implement a safe network about bridging Cisco Catalyst switches that run Cisco IOS®Software. I have a mix meraki and ordinary cisco switch environment. Before Meraki said it was a POE issue and they'd replace it, I was told: I see that there are no bridge priorities set in the switch network, therefore, we are seeing a lot of STP events in the event log. Cisco network switches deliver performance, flexibility, and security. 9a00 This bridge Jul 22, 2019 · In the other deployment where I had a mostly homogeneous Meraki network, I still had to disable spanning tree on the port to our ISP uplink and make sure our MDF stack was root or we saw all kinds of wonky behavior. What priority are they set to? The core should be the smallest number (say 4096), the distribution bigger (16384, 20480 etc. e. So my warning is, if you are seeing issues that dont make sense, check Spanning-tree Apr 28, 2022 · Hello I think what your are relating to is pvst simulation issues where you are interconnecting pvst and mst stp domains together, in this instance it seems you are not doing this, can you confirm the stp modes of the non meraki switches? Please rate and mark as an accepted solution if you have found any of the information provided useful. 0 in this case Like for instance the meraki would be by default but a Cisco catalyst 2960 would be using the older standard SPT. Feb 27, 2024 · 1 : On what VLAN does a Meraki switch send its BPDUs ? Documentation seems to say "Vlan1" - But if you change the Management VLAN in the switch settings, does the Spanning-tree VLAN change (For BPDUs) ? 2: If I set VLAN fx. Things to check… STP or RSTP: Make sure that you have your spanning tree on all your switches set to the same one, preferably RSTP (as it’s quicker to converge after topology changes). This might result in some data being unavailable (e. Any advice here would be appreciated! Mix meraki and cisco spanning tree Hi all. This is really slowing down my network. It includes: enabling RSTP globally, setting the bridge priority, enabling or disabling RSTP on a port, and configuring STP guards. clients seen as offline, when they aren't) or some pages failing to load after 30 or 60 seconds. 000 Watts Power request id: 38408, Power management id: 1 Power request levels are:12000 0 0 0 0 Questions Is this a normal behavior for Meraki APs on Trunk Ports? Is it potentially that the APs are meshing and causing a loop, thereby causing STP updates? Any insight is tremendously appreciated. 6b13. Nov 22, 2022 · Something about having a mix of Catalyst and Meraki switches can apparently cause STP issues. Feb 8, 2021 · Looks like Meraki switches support RSTP or plain old STP. So my plan at this point is to have all Meraki Switches not do any RSTP advertisements until we are done upgrading the whole network with Meraki switches. This article describes how to configure STP and RSTP on MS switches. Dec 9, 2024 · Configuring Spanning Tree on Meraki Switches (MS) I tend to use root guard at the MS425 downlink and STP guard set to disabled on the lower priority MS250s or MS350s uplinks. Meraki port config on switch 1/stack1: Meraki port config on switch 5/stack1: At present, the core switch is running spanning-tree in MST mode - changed from PVST+ after reading around, but not sure this was the right move or not as I cant set a priority on this mode on the 3750's. fme plrimkfx tmke nkpg hrum shgtjnmb ewihtsx ibvmv zqcxr pwxsoooh