Once you have downloaded the ACS 5.5 ISO image, follow these steps to install and configure the software:
| Option | Pros | Cons | |--------|------|------| | | Modern, supported, better UI | Resource heavy, complex migration | | FreeRADIUS + Tac_plus | Open source, lightweight, no licensing | No GUI, manual config | | PacketFence | Good RADIUS + NAC features | No TACACS+ for device admin | | ClearPass (HPE/Aruba) | Excellent TACACS+ support | Requires new license | cisco acs 55 iso download updated