Meraki

Sweemz

Update as of 19:30 | 04/02/25 - I'm happy to report that he remaining 'stp_loopguard_active' alert that was displaying for SW03 is now resolved 🙂 Looks like the Frimware Upgrade to MS 17.1.4 gave the switches a kick/reset. Now.. for credit where credit is due, thank you to everyone that responded, this was a great experience for me on the Meraki forum. Thank you for your time and for sharing your knowledge! 🫡

Sweemz

Thank you @RWelch reading up now. Will look to action later today and will provide an update asap.

Sweemz

@hanjo thank you. Just done a review of the STP settings (see recent RWelch comment/my response) - all appears correct. No looping and or high latency issues observed and or reported, no issues with connectivity/routing etc - the network is working, it's just alerting 🤷‍

Sweemz

Thanks @RWelch I can confirm that the STP Guard settings are configured exactly as you suggested/described. For the STP bridge priority I have DUG00-SW00 configured as '4096' and then anything else falls under the default of '32768'. Should I explicitly define all other switches in here as a higher priority e.g '32768'? All other switches do show DUG00-SW00 as the RSTP root.

Sweemz

Update - 27/01/25 2 x Links have been removed Link between SW02 and SW03 Link between SW01 and SW04. Updated Topology Observation Alert on DUG00-SW01 has disappered ✅ Alert on DUG00-SW04 persists ❌ Going to attempt port cycles on DUG00-SW03, Port 50 & DUG00-SW04, Port 49 to see if it gives it a kick. If the Alert persists I will also try a reboot of switches this evening to see if this clears out the alert. IF all goes well I will then schedule in a FW update later this week.

Sweemz

Thank you @RWelch Makes absolute sense. I'll have a play with this network this evening and provide an update on the topology asap.

Sweemz

Hi @IvanJukic Thank you for looking into this. 2nd glance i've clearly made some mistakes with my labels 😅 Using the Network topology tool I have re-confirmed the uplinks/ports and updated my documentation to reflect the live links in the Meraki Toplogy.

Sweemz

Not sure why I didn't include these originally 😅 .. Thank you for looking into this btw Toplogy Switch Overview

Sweemz

Hi All, I hope we are well. I’ve recently inherited a Cisco Meraki network following an acquisition and have noticed some alerts. Edit - Added Network Topology/Switch overview (below) Toplogy Switch Overview The network Consists of: 2 x MX105 in HA config. 5 x MS130-48P 4 x CW9166I I've documented the network as best as possible.. (minus the access points) will re-review tomorrow and update asap. Version 1 Version 2 - Since Reviewing Meraki Live Topology - Root Ports mislabelled / corrected DUG00-SW01 Port 51 DUG00-SW03 Port 50 The affected ports seem to be alternate uplink ports, so the network is still operational. I’d just like to understand the issue and get the network’s RAG status back to healthy. Any thoughts on the best place to start troubleshooting? Thanks in advance - let me know if you need more information!

Sweemz · ‎May 22 2020

Hi all, Not sure why I haven't joined the community sooner.. better late than never! I'm from the UK and I'm an IT Infrastructure Engineer for a group of businesses. Have implemented numerous Meraki solutions (MR, MS, MX) in various configurations. No intention of stopping anytime soon! Looking to expand on my Meraki knowledge with some like minded enthusiasts! Happy to be here 👨‍💻

Meraki

Community

About Sweemz

Sweemz

Community Record

Badges

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

STP - Stopped receiving BPDUs with loop guard enabled

Hello, world!

Re: STP - Stopped receiving BPDUs with loop guard enabled

Hello, world!

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled

Re: STP - Stopped receiving BPDUs with loop guard enabled