Data Center and Cloud

Proxmox Virtual Environment for Cisco UCS Servers

[Update: Proxmox VE 9.2 was released on May 21, 2026. While there may be minor changes and obvious software updates, this post is still relevant to VE 9.2.]Cisco UCS was born as a virtualization platform, coming to market in 2009. Nearly every virtua...

nexus dashboard insight - telemetry collection status - not ok

nx-os 10.5(1) (C93600CD-GX, C93180YC-FX3, C93108TC-FX3)nexus dashboard 3.2.2minsights 6.5.2.56currently dashboard is empty - no data appear despite switches- connectivity to insights status indicates OK (insights)- fabric connectivity to nexus dashbo...

ACI multisite BD stretching not working

Hello,I configured an ACI Multi-Site deployment with a Bridge Domain stretched between Fabric 1 and Fabric 2.From the control-plane perspective, I can see that the spine switches learn all remote IP/MAC entries via BGP EVPN and correctly install them...

CSCwq55659 - Cisco Integrated Management Controller M4

Hello,Would you be able to tell if this bug is hitting the UCS-C Series M4? I do not see that M4 listed there, so just wanted to confirm that.CSCwq55659 : Bug Search ToolCisco Integrated Management Controller Authentication Bypass VulnerabilityIf so,...

Resolved! getfw - Error: Extraction Failed

I'm trying to extract CIMC and BIOS firmware off of HUU ISO but no matter what OS I use Kernel 2.x to 5.x I always get this error while using ucs-c240m4-huu-3.0.1c.iso I even tried 4.1 HUU but no avail. I've c240M4 server running CIMC 2.0 version a...

ACI Endpoint to External IP visibility

Hi,I want to to use the visibility and troubleshooting feature of aci to view traffic path, possible packet drops and traceroute of an endpoint going outside ACI. but when using the EP to External IP testing, and error that External IP is unreachable...

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...

CSCwr45526 - Need to update db to include MS new OROM cert.

Hi AllCould anyone confirm the complete list of part numbers affected by this bug? I believe the underlying hardware for APICs, WLCs, BE7Ks, Catalyst Center, and SNS (ISE) is actually just a UCS.Thanks,Oscar

guestshell on ISR1100 and iperf3

Hi all,I have guestshell instaled and running on ISR 1111, Version 17.12.06.Guestshell is running (guestshel17.91). But there is no command iperf3:[guestshell@guestshell ~]$ iperf3 -c 192.168.80.1 -t 5bash: iperf3: command not foundI tried instal ipe...

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...

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...

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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