Upgraded from 2.1(2b) and all was fine until ACTIVE FI rebooted, it appears to have never gone down as B is still subordinate, cannot force the cluster for him to take lead and cannot access UCSM AT ALL and having data plane outages with servers down. I never saw A drop after acknowledging and allowign the reboot.
Having outage and cannnot get into FI, only into subordinate and it wont allow UCSM being subordinate and forcing lead wont work via CLI.
This document will provide screenshots to outline the steps to setup
TACACS+ configuration to ACI and also the configuration required on
Cisco ACS server. Please find the official Cisco guide for configuring
TACACS+ Authentication to ACI:
Is it supported or NOT supported? It's a frequently asked question.
Before APIC, release 2.3(1f), transit routing was not supported within a
single L3Out profile. In APIC, release 2.3(1f) and later, you can
configure transit routing with a single L3Out pr...
Cisco Documents are usually accurate, but when it came to the document
on Cisco APIC Signature-Based Transactions it was slightly off the mark.
This document is for those novices to API like me who cant seem to
figure out how to go about performing signat...