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Forum Posts
Hi everyone,In my quest to get cisco 9800 deployed, i have encountered a issue with DHCP. I am looking for some advice on how to move forward with troubleshooting. I am able to get EAP/DOT1X traffic to ISE and see clients authenticate, but they ne...
I'm trying to find a sort of on-size-fits-all solution for our production network for different customers, on a central C9800 cloud WLC. A feature I would like to enable is 802.11r for Fast Transition, which from testing has worked well in environmen...
I need to upgrade the software on WLC 4402 to 7.0 or higher for use with Cisco 3502i APs.. However, I can't seem find the download link anywhere.. Any help would be awesome!
Hi Community,I’m working on a deployment where the WLC (Wireless LAN Controller) is configured to provide internal DHCP for wireless clients connecting to specific SSIDs. The clients are successfully associating with the SSID and receiving IP addre...
We have two datacenters, each hosting multiple Cisco Catalyst 9800 Wireless LAN Controllers deployed in both SSO (Stateful Switchover) and N+1 redundancy modes. These datacenters are connected to multiple IDF locations using Layer 3 routing between a...
I have an issue with one out of a bunch of other 2802's when converting to ME via the WLC. I believe the issue is related to other posts about the version and the lack of space available but none of the other posts get stuck where i do at trying to e...
Hi everyone,I'm currently troubleshooting an issue where my Cisco AP1852I is failing to join the WLC. The AP is booting up normally, firmware is verified and loaded, radios initialize correctly, and it obtains a valid IP address via DHCP (e.g., 192.1...
UEST(type 9) in CAPWAP state: DTLS Teardown(4).[*05/15/2025 17:52:39.0369] OOBImageDnld: OOBImageDownloadTimer expired for imag e download..[*05/15/2025 17:52:39.0369] OOBImageDnld: Do common error handler for OOB image download..[*05/15/2025 17:52:3...
Resolved! DTLS-3-HANDSHAKE_FAILURE WLC 2500 series
Hi GuysI'm having a lot of issues with my WLC and the messages displayed is above. could you help me?*spamApTask2: Sep 13 15:33:27.133: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:872 Failed to complete DTLS handshake with peer 192.168.0.98*spamApTask2...
Hi Community,I’m currently working on a network design where I want the Layer 3 Switch (Cisco) to handle DHCP for both wired (LAN) clients and wireless clients (via Access Point). Please see the attached topology diagram for reference. Network Topolo...
Anyone have good experience with mDNS gw on 9800 with flexconnect-local_switching?As I understand this is a caveat: If I have the devices which announce the mDNS services in for example VLAN 2, clients in VLAN 3 and 4, and APs on a mgmt VLAN 5 then w...
Resolved! DHCP addr. required - Guest Wireless
Controller: 9800-80S/W Version: 17.9.5Issue: Wireless guests on open SSID are not getting COADescription: Our wireless infrastructure is made up of 15+ wireless controllers. Right now we have a mix of 9800s, 5520s, 8540s using 2800, 3800, and 9166 ac...
Same problem here, i tryed disabling 802.11ax on a specific SSID but didnt work. I have mesh network on C9800 17.9.5 but neither root nor mesh aps are broadcasting the WLANs SSIDS. When I tested before on a 5520 controller it was working. Backhaul Cl...
Hello Team, We have a design of Multiple anchors to multiple foreign, Foreign and anchor WLCs are in different Mobility groups. All foreign WLCs are in the same Mobility groups. Anchors-WLC1 and Anchors-WLC2 are in the same Mobility groups. Anchors...
Hi All, We accidentally used the C9800-40 17.12.5.bin file on C9800-CL model in Install mode. While the package got created, the upgrade failed for obvious reasons. We copied the right image once we realised our mistake, but now it doesn't let us cre...
