Activity in Technology and Support
*ACTION* CUC UM w/O365 - EWS Deprecation by Microsoft begins Oct. 2026
All,Microsoft has previously announced (2023) they will be decommissioning EWS beginning in October 2026 until full deprecation is completed for all customers by April 2027 (https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-on...
OpenDNS phishing false positive — Talos tickets repeatedly auto-close
Hi Cisco/OpenDNS team,We operate Lantern, a B2B inventory-planning platform for distributors. Some customers are seeing certificate warnings and cannot access our service, while it loads normally for most users.Our investigation found a consistent di...
CCNA 200-301 Training Playlist — Now Complete! 75 Videos
Hello everyone!Back in November, I shared our CCNA 200-301 playlist here when we had just 23 videos. After many months of recording, I’m happy to say the course is now complete with 75 videos! The course is beginner-friendly and covers the main CCNA ...
Duo for Windows Logon 6.0.0 Released 2026-09-03
Here are release notes for new Duo Downloadable software released today:Duo for Windows Logon 6.0.0 - September 3, 2026General Availability of Offline Access for Passwordless OS Logon.Adds the Duo WinLogon Support Tool, a graphical diagnostic applica...
C1300 Issue with HA Fortigate
Hi Everyone,We have an issue with our C1300 (4G no stackable) switches. The architecture is quite simple : 2 Firewalls both connected to 1 C1300 switch with : 1 Port channel for client VLANs and 1 port for the ISP VLAN. When we are on firewall 1 - sw...
Timing of the “clear crypto sa” Command During a Failure
In a policy-based IPsec redundant configuration, if Router 1 fails, an IPsec SA inconsistency occurs between Router 2 and the remote VPN device, preventing communication from resuming. Therefore, we have automated the execution of the clear command v...
CBS220 – SNMPv3 stops responding after several days, reboot required
Subject: CBS220-48P-4X – SNMPv3 stops responding after several days/weeks, reboot requiredHello,We are experiencing a recurring SNMPv3 issue on multiple Cisco CBS220 switches.Environment:Model: Cisco CBS220-48P-4XFirmware: 2.0.2.17Monitoring system: ...
Cisco Live Protect: End the Emergency Patching Dilemma
The Shift to Proactive Operations: The Emergency Patch Dilemma In the fast-paced world of modern data center networking, the difference between seamless operations and a major outage often comes down to how quickly you can neutralize a security thre...
CUCM and UCCX certificates update .
Hi, I will need to update tomcat and tomcat-trust certs in cucm and uccx . Can you please tell me if i am correct or wrong: I see CUCM has tomcat cert A and the same certificate as tomcat-trust, I aslo see this cert is installed as tomcat trust in UC...
Ask Me Anything- Catalyst Center
Welcome to the Cisco Community Ask Me Anything EventWe invite you to participate in our upcoming Ask Me Anything (AMA) conversation. Please submit your questions from Thursday, September 10, 2026, through Friday, October 30, 2026. Our experts Matthew...
Migrate deployment ISE - Procedure and CAs doubts
I need to migrate a Cisco ISE deployment consisting of 1 PAN, 1 SAN, and 3 PSNs, for a total of 5 nodes. The goal is to move all VMs from VMware to Nutanix.My migration plan is to first move the PSNs one by one, verifying that services are operating ...
Can't access WLC 2504 GUI
In my WLC 2504 i have several interface such as interface for IT, HR and Finance then why I can't access the gui and ssh if I access from those subnet even i use wired connection (ping is reply)? If i access beside those vlan then i can access both t...
What is the most common approach when providing Internet via MPLS?
Hello, everyone.I'm currently studying how to provide internet access via MPLS for my exam. My question is, there appear to be several ways to do this, such as:1. Ignore MPLS completely and give the customer a dedicated link purely for internet conne...
Resolved! Download VPN Client from FTD
I have configured RAVPN and I am trying to access the outside of the firewall to download the VPN client. I put in the url setup to access to outside interface of the firewall but can't get any reply. I am pretty sure I have everthing configured as r...
sa lifetimes
hi,can someone exaplain to me what happens in the negociations when different sa lifetimes are configured between two vpn peers, ( either the ipsec and ike lifetimes are not the same between peers )thanks in advance
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