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pengus · 08-20-2025

As far as I understand,there are two possible methods to perform the upgrade:Using the install all commandChanging the boot variable and reloadingThe install all command performs pre-checks, verifies whether ISSU is possible, and then starts the upgr...

pengus · 05-06-2025

After upgrading the C9800-80 WLC from version 17.9.6 to 17.12.4, access points of models 1700, 2700, and 3700 reverted to their default configuration, including hostname and tags. What could have caused this behavior?

pengus · 12-09-2024

I want to connect ACI to two Nexus switches in Layer 2 mode. All documentation states that the interfaces on the Nexus switches facing ACI should be set to shared mode. However, I have a separate VLAN pool for L2Outs, and the EPGs extended with L2Ou...

pengus · 06-14-2024

All access points (APs) under my C9800-80 controller are operating in local mode. I have two different SSIDs: one with WPA2 Enterprise and the other with open (central web authentication with ISE). There doesn’t appear to be a general issue, everyth...

pengus · 04-01-2024

Cisco Catalyst 9800-80 Wireless Controller version is 17.9.4a. I check compability matrix and no problem to registring ap. But ap logs Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: Join(5). and i check AP join statistics on C9800-...

pengus · 10-02-2025

Probably your problem resolved but main reasan that is in a of clie output. Multiple policy profile AVC settings associated with this WLAN. Wlan profile - policy profile map match at tag assingments not uniqie.

pengus · 08-20-2025

Thanks for reply. Actually, as you mentioned, it is reasonable to consider the install all method as the recommended approach since it performs prechecks. However, for some reason, when I run install all, I get the impression that not all chassis wil...

pengus · 05-07-2025

Approximately 100 model 1702 access points experienced this issue, and there was no hostname conflict that could have caused a problem. In fact, the reason I opened this post was to see if others had experienced the same thing—so I could determine wh...

pengus · 05-06-2025

Yes i use AP Filter for tagging with hostname. Cause of this tag configuration, changing AP name to default APXXXX...

pengus · 12-11-2024

Nexus Shared Mode = Interface Trunk configuration = Allow multiple VLANs on an interfaceSorry for the confusion of concepts. Here I wanted to express that the spanning tree interface type should be shared instead of the default port type of the spann...

Member Since	‎10-19-2021 06:25 AM
Date Last Visited	‎11-19-2025 01:26 AM
Posts	29
Total Helpful Votes Received	2

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N7000 series Upgrade Non-ISSU

C9800 upgrade 17.9.6 to 17.12.4 wave 1 AP issue

ACI Spanning Tree Design

RSN ERROR: Received a data frame when no keys are plumbed

CW9166I-E AP cannot register to C9800-80 WLC

Re: 9800L and AVC setup help

Re: N7000 series Upgrade Non-ISSU

Re: C9800 upgrade 17.9.6 to 17.12.4 wave 1 AP issue

Re: C9800 upgrade 17.9.6 to 17.12.4 wave 1 AP issue

Re: ACI Spanning Tree Design