LACP with Cisco Switch

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monciul
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LACP with Cisco Switch

Fri Apr 09, 2021 6:04 pm

Hey guys, just wondering if anyone has ran into this problem over the years. We have a 2 port LAG set up with a Cisco IE-4000-8GT4G-E and a WS-26-500-DC. Everything works perfectly, but after a couple of hours, on the Cisco side, the LAG goes into err-disabled mode and shuts the entire port channel down. Here's the information I have so far:

- The Cisco is running rapid-pvst and the Netonix is running RSTP. Could this be causing the issue?
- Normal trunks (non LACP) going to the Netonix stay up without issue
- If I shut/no shut the port channel interface from the Cisco side, it will stay up for a few hours until it errors out again
- Netonix switch is running firmware 1.5.7
- Screenshots are what it looks like when the interfaces are down


CISCO# show interfaces status err-disabled
Port Name Status Reason Err-disabled Vlans
Gi1/4 Netonix Uplink err-disabled channel-misconfig (STP)
Gi1/12 Netonix Uplink err-disabled channel-misconfig (STP)
Po1 Link_to_Netonix err-disabled channel-misconfig (STP)

Has anyone seen this before? Maybe I'm not configuring something properly. I feel like I've tried everything aside from doing a full PCAP and opening a TAC case with Cisco.

Thanks in advance!
Attachments
vlan tagging.png
Netonix VLAN Config on Links
spanning tree.png
Netonix STP Config
lacp config.png
Netonix LACP Config
interfaces.png
Netonix Interfaces
cisco configuration.png
Cisco switch config

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