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- About Melvin1
Melvin1
Here to help
Member since Sep 13, 2021
02-28-2023
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01-25-2023
07:51 AM
Sorry, my apologies. Can you tell me what is generating the errors: Jan 25 09:11:09 Port STP change Port 28 designated→root Jan 25 09:11:09 Port STP change Port 28 root→designated
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01-25-2023
07:45 AM
Thanks for letting me know. Are you a person or a bot? I am trying to find where I posted a serial #.
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01-25-2023
07:31 AM
I agree that the NICs don't participate in spanning-tree. Every few seconds the switch is electing a new root. Which is what the switch is indicating. I guess I am going to crawl under some desk. What would be nice is if I could disconnect the trunk port and view the Meraki switch logs. I would just like to isolate the issue before crawling under desk.
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01-25-2023
07:22 AM
Port 28 is connected to 3750x. Platform cisco WS-C3750X-48P Device ID HS-E430-3750X.bpsd.edu Port ID GigabitEthernet3/0/47 I am seeing port flapping on the 3750, which I had assumed the flapping was caused by devices connecting to different access points on the same switch.
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01-25-2023
07:05 AM
Notice the lower case ports and the upper case Port. - strange It appears that the ports are failing and reconverging with a new root. The complaint is the systems slow down to the point they are unusable. Jan 25 09:11:09 Port STP change Port 28 designated→root Jan 25 09:11:09 Port STP change Port 28 root→designated Jan 25 09:07:40 Port STP change Port 21 disabled→designated Jan 25 09:07:40 Port status change port: 21, old: down, new: 1Gfdx Jan 25 09:07:36 Port STP change Port 21 designated→disabled
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01-25-2023
06:47 AM
The event type is STP - Spanning Tree. Do the NIC cards report back to the switch why it dropped? I want to isolate the issue because if it is a spanning tree loop, then I am crawling under a bunch of desks tracing cables.
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01-25-2023
06:28 AM
Is the link dropping due to the device dropping the link or is it due to spanning-tree dropping the link?
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01-25-2023
06:19 AM
FIRMWARE Up to date Current version: MS 14.33 Can you tell me what this means? SERIAL NUMBER Q2EW-DRSR-99XT Jan 25 09:07:40 Port STP change Port 21 disabled→designated Jan 25 09:07:40 Port status change port: 21, old: down, new: 1Gfdx Jan 25 09:07:36 Port STP change Port 21 designated→disabled Jan 25 09:07:36 Port status change port: 21, old: 1Gfdx, new: down Jan 25 07:34:58 Port STP change Port 4 disabled→designated Jan 25 07:34:58 Port status change port: 4, old: down, new: 1Gfdx
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