Activity in Technology and Support
Catalyst C1300-24XT IP Helper Address Procedure
I am trying to setup an IP HELPER-ADDRESS per SVI but clients are not getting IP address from the assigned DHCP Server in the IP HELPER Address. C1300-24XT has also different syntax or argument in declaring IP HELPER-ADDRESS.Catalyst 1300 Series Man...
IVR Issue When SBC and Media Have Separate IPs from Telecom Provider
Hello,Our head office is set up in a centralized configuration, and each branch connects to the CUCM via a SIP trunk provided by the telecom provider. The SIP trunk connects to a Cisco 4431 router located at each branch.Everything works fine for all ...
Which FTD version is the best choice for Firepower 2100: 7.2 or 7.4?
Hello allI would like to ask for advice on selecting the appropriate FTD version for the Firepower 2100 series. Our environment is as follows: Firepower 2100 series. (standalone) Features in use: Static routing, IPS , site-to-site-VPN, FW, Anti-vir...
Announcement: Microsoft Sentinel Connector for Cisco Cloud Security
We are pleased to announce that the Microsoft Sentinel connector for Cisco Cloud Security is generally available, providing seamless integration of Cisco Secure Access and Cisco Umbrella with Microsoft Sentinel. Key Features and Enhancements Expan...
Announcement: GA Release of Connectivity Logs
General Availability of Connectivity Logs We are thrilled to announce the General Availability of Connectivity Logs for Secure Access, delivering powerful new visibility into your IPsec tunnels and routing events. These enhancements are now availabl...
Announcement: GA Release of RAVPN Import Tool
General Availability of RAVPN Import Tool Feature Overview We are excited to announce the General Availability for the RAVPN Import Tool within Cisco Secure Access. This innovative capability is designed to streamline the migration for customers mi...
Introducing new additions to the Cisco 8000 Series Secure Routers
This week Cisco announced two new 8200 Series Secure Router models and the Cisco 8455-MX. These secure routers address requirements for connectivity, security, and management in branch and campus environments. Here are the details for each: Cisco 82...
I have 7912 SERIES. How can I factory reset?
I need help. I have CISCO IP PHONE 7912 SERIES. How can I factory reset also I cannot find factory reset button. Also I lost manual the easy one that has picture. Can someone help me? It is locked right now I cannot unlock network configuration is lo...
UDP Port 53 Open on External Interface - Unexpected DNS Service
Hello,I have encountered an issue with two routers showing UDP port 53 (DNS) open on their outside interfaces and I cannot determine why.Devices and Software Versions:Cisco ISR4431/K9 – IOS XE 16.09.07Cisco ASR1001-X – IOS XE 16.09.08Symptoms:When I ...
November 2025 - January 2026 - EMEA Expert Insights Series
Welcome to our November 2025 to January 2026 Expert Insights Series.Join our sessions where experts will guide you through the foundational aspects of various architectures and products. During these sessions, you'll have access to showcases, real-w...
Controller / Catalyst Center roaming analytics
I’m looking for a reliable way to compare before-and-after roaming behavior when making RRM-related changes on my 9800 WLCs.Catalyst Center’s Assurance → Dashboards → AI Analytics gives me plenty of raw data, but I’m not seeing anything that directly...
🇳🇬 Josinfo Special Public Class — Nigeria Edition
Get into the holiday spirit by accelerating your learning!This Public Class will be truly special.Professor Josimar Caitano (2x CCIE) will guide you through a hands-on deep dive into OSPF from fundamentals to advanced design.We’ll explore attributes...
UCS C240 M5 - Fans Cycling Up/Down Under Minimal Load (BIOS F
Hardware:Cisco UCS C240 M5 SFFCurrent fan control: BIOSCurrent workload: Minimal (few Proxmox VMs, light usage)Firmware: LatestIssue Description:My C240 M5 fans continuously ramp up and down even under minimal system load. All temperature sensors are...
Removing Inner Rails from UCS C240 M5
Hello,I can't for the life of me remove the inner rails from this C240 M5. Can someone link a video or excerpt of documentation that explains how?Photos attached.
VLAN tag with subinteface using linux.
Hi everyone,I have a question about an issue I faced during my university lab practice. Our professor gave us a topology with two switches connected to each other: two PCs are connected to the first switch using normal Ethernet connections, and anoth...
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