Limitations

Captive Portal will not work with RADIUS configured on a loopback port or on the Out-of-Band Management (OOBM) port.

Captive Portal is supported in ClearPass versions 6.5.5 and later. However, by manually modifying the RADIUS dictionary files, any ClearPass version 6.5.* can be used.

Captive Portal does not support v1 modules, and will not work unless compatibility mode is turned off.

Captive Portal does not support IPv6.

Simultaneous Captive Portal client connections: maximum of 512

Captive Portal does not support web proxy. The permit ClearPass ACLs and the steal ACLs only use port 80 and 443. Non-standard ports for HTTP and HTTPS are not supported.

Captive Portal is mutually exclusive with the following web-based authentication mechanisms: Web Authentication, EWA, MAFR, and BYOD.

URL-string limitation of 253 characters.