Activity in Technology and Support
3rd party SFP modules compatibility with C1300 series
Hi, I'm new here, if the topic is duplicate I apologize. Here is my situation:I have a new project where I use Catalyst 1300 24-port SFP+, 4x10GE Shared and Catalyst 1300X 48-port GE, PoE, 4x10G SFP+ switches. As I know these series removed the servi...
Catalyst Center DNAC GUI not working in last DAY
I reserved a Catalyst Center Sandbox for 3 days and it was working fine.But in last day, I'm facing now an error that DNAC GUI is not loading with error (connection timed out) while it is pingable
Cisco IOS XE C9K Always-On Unreachable
Hi everyone,For the past few days, I've been unable to connect to the Cisco IOS XE C9K Always-On Sandbox via SSH.Hostname: devnetsandboxiosxec9k.cisco.comI've tried connecting from multiple devices, but the SSH connection keeps failing.Is anyone else...
IOS XR Always-On Sandbox: is it down, or is it something on my end?
Hi all,Is the IOS XR Always-On sandbox known to be down right now, or is the problem on my end?My reservation is active, but I can’t reach sandbox-iosxr-1.cisco.com. It has failed for several days from two different machines.What I’ve checked:DNS res...
Crestron sound system isn't working after migrate the room from Webex
We recently reset the touch panel of the Cisco Codec Pro that is integrated with an external audio system and wireless portable microphones (non-Cisco).Since the reset, the setup is no longer functioning as expected. While the microphones appear to w...
Sandbox 20261015T09470435–Catalyst Center Performance and ISE issue
Dear Team,The sandbox 20261015T09470435 has launched successfully; however, I am experiencing the following issues:Catalyst Center: The interface is extremely slow and unresponsive at times.Cisco ISE: The application remains stuck on the message: App...
Cisco 9136 AP Pre-Image Download issue
We are migrating APs from our existing Cisco Catalyst 9800-CL WLC running IOS-XE 17.9.3 to a new Catalyst 9800-CL WLC running IOS-XE 17.12.3.Instead of moving all APs within a single maintenance window, we are performing the migration on a site-by-si...
SDWAN -- How the Router shift the traffic from Primary link to the sec
Hi Experts,Just looking for explanation on how the Primary cEdge SDWAN router shift the traffic from Primary link to the secondary link if Primary WAN link goes down?Lets say, we have 2 routers with a WAN link on each. When Primary link goes down the...
NFVIS for UC
Hi, I am interested in the NFVIS for UC hypervisor that was announced last years. Does anyone know when this is actually going to be available? I saw a document that said support for UC would be in version 4.18.1 but I cannot see anything about such ...
How to enable port forwarding to get some TCP services
As Attachment snap showing the scenario, i need a suggestion to get (http/https/pop3/smtp) access for the network(192.168.0.9) through the internet server(192.168.0.123) placed on the other side of my router(LDC_Sharaf Router). Basic routing is enab...
Cisco Exam Safeguard offer
Hi how can get Cisco Exam Safeguard offer
Support Request – Catalyst Center Sandbox Launching--20261015T09470435
Dear Dev Team,I need your support with the Catalyst Center Sandbox – 20261015T09470435, as the environment is still showing as launching for long time.Could you please investigate the issue and ensure that:Catalyst Center launches successfully and op...
Who is still having an issue with client names in the Meraki Dashboard?
Many people are affected by the MDNS (or perhaps LLMNR) name being displayed in their dashboard, which appears as a GUID rather than the actual machine name.Who is having this issue with WINDOWS computers that can try some things out for me?
A new Generally Available MS Switch firmware is now available
A new Generally Available MS Switch firmware version is available. Firmware MS 18.1.9 was released on 2026-10-14 and has been in this firmware category since 2026-10-14 UTC.
C9200 Space issue
Hi,Please advise. I have a stack of three C9200-48PXG on 17.9.3 and i want to upgrade it to 17.18.4 but only one of them gives flash short space error and unable to copy the image. ( install mode )- why only one running out of space ? and i see no f...
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