Data Center and Cloud

Nexus Dashboard upgrade from 4.1.1g to 4.3.1

Hello,I'm trying to upgrade our Nexus Dashboard (single node, SAN personality) form version 4.1(1g) to 4.3.1The .iso file has been copied to the appliance (VMware VM installed via .ova) but it hangs at 0% while "Downloading" - see screenshot.pre-chec...

AMA-AI Ready Data Center Infrastructure & Use Cases

Welcome to the Cisco Community Ask Me Anything Event! We invite you to participate in our upcoming Ask Me Anything (AMA). Please submit your questions between Wednesday, April 8, 2026, and Wednesday, April 22, 2026. Your Cisco experts Mark McBride, J...

🚨 Looking for Help — Qilin Ransomware Attack

My environment was recently hit by Qilin ransomware. Unfortunately, 10 servers were compromised and their data was encrypted, including the backups, which were also encrypted. At this point, I’m looking for experienced ransomware responders, incident...

[critical] spm: release is not ready yet. Current state: ActivatingApp

Hello FreindsI m trying to Install vNDO 3.2.2m on ESXi hosted on UCS C240 M4 for Lab Purpose , I got Stuck at below :[critical] spm: release is not ready yet. Current state: ActivatingAppsrescue-user@NDO-1:~$ thanks

Back-to-Back ACI Fabric in Application Centric Mode

Hello. Good day to everyone. Looking for some help here. We are trying to migrate a bunch of servers from an old data center that is running its own ACI fabric. Almost all of the BDs are in network centric mode but there's this one huge BD that is be...

EPGs Not Dynamically Associated on Leaf Access Port in Trunk Mode

Hello, everyone.I'm facing an issue with an access interface on a Leaf switch. I have two tenants configured—DEV and QA environments—and within these tenants, dozens of EPGs have been created with VLAN encapsulation. These VLANs are learned from an ...

remote Leaf Uplink specefications

Hey experts, I have a pair of remote Leaf(s) of N9K-C93240YC-FX2 connected to the Fortigate firewall as an IPN device. Based on the IPN requirements, it is possible to connect 1G or 10G SFP from the leaf to the IPN device.Now, since this leaf has 48p...

Resolved! In Cisco ACI, what is the benefit of ARP Glean?

Hi,I understand that ARP glean is ACI's way to detect silent hosts to prevent ARP flooding, but I don't see its benefit yet.As per my understanding, what is the point of disabling ARP flooding to prevent ARP traffic and then sending the ARP request t...

SVI Setting on ACI

hello guys , im configuring the L3OUT on ACI for the first time and im truly confused on how to configure the SVI setting , so i have two leafs that are connected to a firewall using a vpc , and this interco is L2/L3 thatis why i used the svi , now...

ACI Ansible output parsing

We are working on several ansible playbooks to query our ACI environment without issues but the parsing of the output is not something I understand.I have a playbook that will query either the interface description or the description of an access por...

Success Capsules | Cisco Smartswitch Overview and Use Cases

In this overview video, we explore the Cisco Nexus 9300 Smart Switch, a unified hardware platform combining high performance routing and switching with pervasive, hardware accelerated security. We break down the dual engine architecture (NPU + DPU), ...

Success Capsules | Smartswitch DPU Redirection in NDFC VXLAN/EVPN

In this video, we demonstrate how to configure, orchestrate, and verify VXLAN traffic redirection to Smartswitch DPUs using Cisco Nexus Dashboard. Learn how to define network-level redirection policies, manage Hypershield security rules centrally, an...

Success Capsules | Nexus Dashboard and Smartswitch Integration

In this video, we walk through the process of onboarding Smartswitch and integrating Hypershield into Cisco Nexus Dashboard. You will learn the core connectivity prerequisites-including dedicated loopback address assignment and API access token gener...

Resolved! SVI migration from NXOS to ACI L3Out - no option to shut/noshut L3Out

Hi All,Need support to migrate an SVI from NXOS to ACI L3Out. Migrating SVIs from NXOS to ACI by shutting down interface vlan on Nexus switches and enabling Unicast Routing checkbox on BD has been seamless (meaning 2-3 ping drops only). Now we have t...

L3 migration between legaxy Nexus and ACI L3out

Hi all,in the next months we will do a migration from a legacy Nexus environment to a greenfield Cisco ACI. I am studying the better ways to do this.We decided to proceed with network-centric approach (1BD-1EPG-1VLAN); we will connect ACI to legacy i...

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