Activity in Technology and Support
Cisco NFVIS for Calling & UCCX
Hello,I am currently working with a customer who needs to migrate their UC applications from VMware to Cisco NFVIS due to VMware licensing challenges.Their current environment is deployed on a BE7K M7 server and includes CUCM, CUC, IMP and UCCX Wh...
YouTube.com bot warning message for Secure Access SWG
Update, September 15, 2026: We are continuing to work on this issue. We have expanded the list of suggested workarounds.We are currently investigating an issue affecting YouTube.com, where users are encountering a prompt to "Sign in to confirm you're...
Packet Loss with Cisco CW9172I Access Points
HI,We are experiencing a significant wireless connectivity issue following a recent migration from Cisco Aironet 1850 Access Points to the new Cisco CW9172I Access Points.Environment:Wireless Controller: Cisco Catalyst 9800 WLCPrevious AP Model: Cisc...
API Latency & External Webhook Validation in DevNet Sandbox Environmen
Hi DevNet Team and Community,We are currently testing an e-commerce checkout integration inside a DevNet Sandbox environment that relies on fast regional address and postal code validations (Brazilian CEP format).During peak testing, we are making as...
Resolved! Delayed offer with CME
Does anyone know how I can configure CME to signal a registered 3rd party SIP device using delayed-offer ?It seems CME uses early-offer exclusively.I have one phone (CP-7841) and a 3rd party IP Speaker.Both are registered with CME.I am trying to call...
Designing End-to-End VoIP Failover in CUCM and CUBE
Designing End-to-End VoIP Failover in CUCM and CUBE: Monitoring Each Failure DomainDuring a recent VoIP failover design and testing, I focused on one important point: SIP Trunk availability alone is not enough to determine whether the entire PSTN cal...
Resolved! Catalyst 2960 bootloader error
Hey all,Long story short;I have a C2960G-24TC-L here that had sw version that was incapable of crypto keys. The goal being able to ssh into it..The state of this thing now is pretty much blank after after formating the flash like a dummy beacause of ...
Equivalent catalyst switch to CBS350-24XTS
Hello There is any Catalyst model that have (12 x RJ45 + 12 x SFP+) as same as CBS350-24XTSAppreciate your help Thanks
unable to upgrade switch image
Dear Team, I am unable to upgrade my cisco switch image & getting below error. Also from same tftp i am able to upgrade WLC imagealso able to take backups & everything but not able to upgarde image. ICMP ping is good between user machine & TFTP se...
CAPF Certificate Regeneration in CUCM
TVS SSL Handshake Failures and Thread Exhaustion After CAPF Certificate Regeneration in CUCMI would like to share a troubleshooting experience involving Cisco Unified Communications Manager (CUCM), where the TVS service started experiencing repeated ...
No download links at the resourcehub
Hi all,I’m unable to find the download for the Kali VM for the Ethical Hacker. The instructions send me in a loop: The Resource Hub (netacad.com/resources/lab-downloads) shows only this message: “Download the Virtual Machine file and follow the setup...
Security Cloud Sign-On failed with Error 400
As shown in the screenshot, we are having issues signing into our SSE Dashboard today - is this a known Problem?Attempted by multiple users in our Org - not working for anyone.Error: Could not acquire access token from authorization code
Resolved! Cisco MRA Issue
Hello,I am experiencing an MRA login issue with Cisco Jabber when connecting from an external network.MRA was working properly on Expressway version 14.0.0. However, after upgrading to newer releases (the latest 14.x version and version 15), I can no...
[Industrial] PTP Grandmaster Mode - Source of PTP currentUTCOffset Val
When an IE-4100 / Catalyst IE-9300 is in PTP-Grandmaster mode, using NTP as reference time, where does the PTP_Account obtain the currentUTCOffset value?Does IOS-XE/IOS-XR/NX-OS have a built-in database?I know that it can be manually overridden with:...
9800-CL Controller and 1852 WPA3 issues
Hi all,I have 2x 3802s working fine with a WPA3 SSID. Clients cannot connect to the WPA3 SSID from the 1852. WPA2 works. Clients report an auth issue. This AP was added after the initial config but I don't see this making a difference. Profiles and t...
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