Activity in Technology and Support
Duo Windows Logon 6.0.1.4655 fails to install on non-English
Hi Duo Team,There is a blocking regression bug in the new Duo Authentication for Windows Logon 6.0.1.4655 installer on non-English Windows installations (tested on Dutch nl-NL).What happens:During installation/upgrade, the newly introduced ExportLogs...
9K APs crashes after WLC upgrade
WLC upgraded to 17.18.5 the i see AP radio crashes on C9162 on both radios. please advice
Devices won't authenticate, WLC seems to eat requests to radius
Since I have seen it here before but didn't see solution for myself, and I am currently dealing with the same issue, I am looking for some help.We have several devices using the same service account to authenticate to WiFi, but they do not always au...
Resolved! C9800-40 ROMMON upgrade 17.7(3r) to 17.12(1r)
Please advise and give me your opinion:I need to perform a ROMMON upgrade from version 17.7(3r) to 17.12(1r) on a C9800-40. The guides say that I must use the command reload and not reload slot x, which means both WLCs will restart, not just the one ...
Problem with SFP-10G-ER, C9300-24S and C9300-NM-8X
Hi everyoneOur SFP-10G-ER modules aren't recognized as supported by a C9300-24S with C9300-NM-8X. According to the compatibility matrix, they should be compatible.We tried workarounds I've found for similar errors, like cold-boot the switch several t...
Windows Update (KB5127648) Introduces NTLMv1 SSO Enforcement
Microsoft has released KB5127648 for Windows 11 24H2, 25H2, and 26H2, and while most of the attention is on security fixes, there is one change that may be particularly relevant to Cisco administrators managing wireless, VPN, or NAC environments.Key ...
Firmware for RV130W not available?? What gives?
https://www.cisco.com/c/en/us/support/routers/small-business-rv-series-routers/series.html#~tab-downloads No listing for the RV130W can I get some help here?
A new Recommended Release MR Wireless firmware is now available
A new Recommended Release MR Wireless firmware version is available. Firmware MR 32.2.5.1 was released on 2026-11-12 and has been in this firmware category since 2026-11-12 UTC.
Customized Local Webauth Page
The article Customize Web Authentication Portal on Catalyst 9800 WLC shows how to configure a custom local Webauth portal on a 9800 Series Wireless Controller. The customizable Webauth bundle referenced in the article is attached here.
vMX in Azure - unable to complete TCP handshake with VM on port 80
I have recently added a vMX to our AutoVPN (using the marketplace template process). The vmx is online, and its subnet is available via AutoVPN. I am not a networking expert, so the details below may be somewhat non-technical.vMX WAN uplink:172.16....
Unique credentials for each use of catalyst8000/9000 don't work
Catalyst 8000v Always On11/12/2026Unique credentials provided do not work.Unique credentials should give you access as the static usernames and passwords for general use used in the past did.
Conditional SDP Direction Attribute Modification on Cisco CUBE
Hello,We are using Cisco CUBE as an SBC between two PBX systems. One of the connected systems strictly requires an explicit direction attribute (a=sendrecv) in the SDP offer/answer to operate properly.During specific call flows—such as an in-dialog r...
Configuring LINA Syslog events in Security Analytics and Logging (SAL)
Requirements- Cisco's Cloud Control cloud delivered Firewall Management Center (cdFMC) version 20261105, which as of 11/12/26 is being rolled out to all customers- Cisco Secure Firewall running Firewall Threat Defense (FTD) version 10.0+How do I chec...
Cisco ISE 3.5 Patch 4 Authorization Issues with Entra Joined Devices
Hi everyone,I am currently troubleshooting an authorization issue with Cisco ISE 3.5 Patch 4 and Microsoft Entra ID joined devices using EAP-TLS authentication.The authentication process completes successfully, and ISE is able to communicate with Mic...
Latest Firmware for SG300 10P
I recently purchased a used SG300 10P for my home network. I would like to upgrade the firmware to most current which I believe is 1.4.1.03. I tried to find it at Cisco's support, but it's not available. My question is, does anyone know anywhere t...
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