Data Center and Cloud

APIC CIMC Upgrade Procedure

Activity: Activity : Upgrade Product (Cisco): ACI, APIC Introduction APIC Servers are running on UCS C Series Servers, Cisco UCS 220 M4 (second generation appliances APIC-SERVER-M2 and APIC-SERVER-L2) or Cisco UCS 220 M3 (first generation applian...

VXLAN fabric L2 extension to External network

HelloI have configured a vxlan fabric and would like to have layer 2 extension to external fabric. I have created the L2 network in Cisco NDFC and attached it to the endpoint access port and port channel on the BGW connected to the external switch. T...

Cisco ACI 6.0(6c)–Possible to add cold standby APIC in 1 Node Lab env?

Hi everyone,I have a small Cisco ACI lab running on version 6.0(6c) with only one active APIC controller. (1 Spine and 2x Leafs)I know that a production ACI fabric requires a minimum 3-node APIC cluster for proper quorum and redundancy, but my use ca...

Resolved! Enable CDP on Leaf Uplinks

Hello,I have this topology: spine101 port 17 <-> leaf131 port 36 (yes, it's dual-spine with more leafs that this, I just want to focus here on this link unless I need to consider the larger topology)The link is functioning fine if I do nothing. I'm ...

EIS - Cisco DC Networking Advanced Use-Cases

Join our Expert Insights series to explore innovations in DC operations, security, and AI-ready networking. Learn how ND Telemetry simplifies Day-2 operations and Live-Protect enhances real-time threat detection. Discover micro-segmentation in VXLA...

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EIS - Mastering Cisco UCS: A 3 Part Series from Core to Edge

Join us for a comprehensive series designed to help you maximize the value of your Cisco Data Center Compute infrastructure. From core architectural concepts to advanced AI/ML integration and innovative edge deployment strategies, each session will...

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Set Avatars: Cisco Directory Connector

I'm trying to configure my Cisco Directory Connector to be able to use the AD Picture attribute as an avatar but I don't see the option as is explained in the instructions: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark...

N2K-C2348UPQ-10GE Fex does not come up and showing SDP timeout

Hi Community,We have recently installed new N2K-C2348UPQ-10GE FEXs, however they are not coming online.The interface is showing :Ethernet1/21 is down (SDP timeout/SFP Mismatch)and the fex logs: [26209]04/21/2026 21:27:31.692130: fport [0x1a014000]:L...

CP 8841, CP 8811 Authentication Failure

CP 8841, CP 8811 Authentication Failure, new ip phone, when i open authentication from switch port configuration its working, with authentication its not working , status showing unauthentication.

ACI Multi- Site stretch BD

Hello Team,If I want to stretch BDs, in the stretch template besides the VRF/BDs with L2 Stretch know enabled and EPGs, before doing that safe I have the following questions:1). Is there any traffic impact when importing into NDO, and I need to do it...

query-target-filter wcard failing in my use case

Hello All,I am hoping someone can give me a push in the right direction. Been playing with the cisco aci api again. Using icurl i am query the L1PhysIf objects. I want to filter on the node id. When I use the wcard, i get an empy list when filter...

ACI and STP Issue

Dears,We are doing Migration, and have the following situation , SW2 (two switches stacked together) and SW1 (two switches stacked together) are connected with ACI (using the same Vlan) as follows , how make one link from each switch to be in blocked...

Future-Proof Your IT: Join a Cisco Test Drive

In the rapidly evolving world of data centers and cloud technology, choosing the right solution for your organization is a significant decision. How do you move beyond the datasheet to understand how a technology will perform in your specific environ...

Resolved! ACI Leaf Switch to z17 Mainframe 25GBe Connection Issue

Hi Folks, Does anyone have an experience in z17 OSA Express connection not coming up on an ACI Leaf Switch. End to end FO Cabling run has been traced and is verified to okay. The Leaf Switch displays the SFP Type (SFP-H25GB-SR), Name (OCULA) and Spee...

Resolved! ACI CIMC Upgrade

Hello,I would like to understand Cisco’s recommended procedure for upgrading the CIMC firmware on an APIC L4 cluster.Current setup:APIC model: L4APIC version: 6.0(8f)CIMC version: 4.3(4.241063)Cluster size: 3 APICsTarget versions:CIMC: 4.3(6.250053)A...

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