About Johannes Luther

Johannes Luther · 11-14-2024

Hi community,I was challenged to find out, which 802.1X supplications use legacy TLS versions (and ciphers) for TLS based EAP methods (like EAP-TLS or PEAP). Main motivation is to harden the ISE configuration by disabling legacy TLS versions and ciph...

Johannes Luther · 08-19-2024

Hi ACI professionals,I want to automate the provisioning (and removal) of EPG static ports using the REST-API. My goal is, that the input parameter is the Leaf interface policy group name and the target encapsulation: vPC: infraAccBndlGrp.nameLeaf ac...

Johannes Luther · 03-21-2024

Hi,anybody knows if ACI Smart Licensing over an HTTP proxy supports Basic Auth against the Proxy Server?In the documentation, there is no hint regarding this. In the configuration, there is no dedicated field for proxy credentials.Maybe something lik...

Johannes Luther · 03-11-2024

Hi board, The VMM documentation (e.g. https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/5x/virtualization-guide/cisco-aci-virtualization-guide-52x.pdf states that "Cisco APIC creates two alarms in the folder, one for DVS and another for port-group. ...

Johannes Luther · 03-11-2024

Hi board, so I'm reviewing the ESXi host discovery process in ACI VMM integration. When using the VMM domain resolution immediacy option "immediate", I was under the impression that LLDP (or CDP packets) from the ESXi host are enough, that the EPG is...

Johannes Luther · 01-29-2025

Sorry, lost track on this one For some time now I found a workaround procedure - preventing that both chassis reboot, when replacing one chassis. Key point is (like @Scott Fella assumed), that the still active chassis should get a priority of "2" be...

Johannes Luther · 12-11-2024

Hi @AshSe ,thanks for your (well structured) feedback. I have superadmin access to all vCenter objects (because I manage it myself). So I guess it's a documentation glitch. No offense ... but I just typed my question in ChatGPT and Copilot and the ...

Johannes Luther · 12-11-2024

Updated the original post with a link to a sample script to create reports, based on the data: https://github.com/netgab/cisco-ise-1x-tls-reporter

Johannes Luther · 12-04-2024

hey @AshSe Sure thing ... it changed in the meantime: https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/5x/virtualization-guide/cisco-aci-virtualization-guide-52x/ACI-Virtualization-Guide-52x-aci-with-vmware-vds.html=> Chapter "VDS Parameters Manag...

Johannes Luther · 12-01-2024

Hi @AshSe I'm referring to this document:https://www.cisco.com/c/en/us/support/docs/cloud-systems-management/application-policy-infrastructure-controller-apic/218193-configure-and-troubleshoot-smart-licensi.html#toc-hId-1534652629 On the complete pag...

Member Since	‎07-16-2008 11:57 PM
Date Last Visited	‎02-03-2025 12:04 AM
Posts	460
Total Helpful Votes Received	383

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Howto: TLS cipher and version analysis for 802.1X clients using Syslog

ACI: Automate EPG static port deployment

APIC Smart Licensing over proxy with authentication

ACI VMM VMware integration: vCenter Alarms

VMM vDS vCenter and LLDP dependencies

Re: C9800 SSO RMI pair: Chassis hardware replacement procedure

Re: ACI VMM VMware integration: vCenter Alarms

Re: Howto: TLS cipher and version analysis for 802.1X clients using Sy

Re: ACI VMM VMware integration: vCenter Alarms

Re: APIC Smart Licensing over proxy with authentication