About reccon

reccon · 05-03-2022

We are experiencing a large number of output discards between two C3850 stacks (sw version 16.12.05b).They are both (collapsed)core switches in two different datacenters connected by a 10G LR single-mode fiber. It’s a layer 2 connection. Almost all o...

reccon · 10-27-2024

You can have bidirectional communication over a single mode simplex cable. For this you need a special SFP that sends and receives on different wavelengths. This is often used for FTTH.

reccon · 11-04-2022

As far as I know Cisco dropped the wireless controller feature on the 3850 after 16.3.Try to downgrade to 16.3

reccon · 10-07-2022

[*10/06/2022 12:21:43.2191] FOUND CONFIGURED WLC (Primary) REDISCOVER TO CONNECT WITH THAT.According to that message I would assume that there is primary controller configured on the AP and it's tying to connect to this controller instead of 192.168....

reccon · 07-04-2022

"switchport trunk allowed vlan add xxxx,xxx,xxx" adds vlans to an existing "switchport trunk allowed vlan xxxx,xxxx" on that interface. If no "switchport trunk allowed vlan xxxx,xxxx" exists on that port, the "switchport trunk allowed vlan add xxxx,x...

reccon · 06-08-2022

Hi Can you post the configuration of Interface Gi0/19.Have you checked the live log of this client on the ise server at the time the authentication fails?

Member Since	‎07-05-2021 05:52 AM
Date Last Visited	‎01-22-2025 12:09 AM
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C3850 output discards

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