Redirect ISE Cisco - CWA

Why are the ISE nodes should be set to redirect acl web authentication configured locally on the switch?

All of the documentation I found suggests. I install my old ISE environment 2 years in this way and was informed at the beginning to do. But after thinking, the whole authentication process through and then test my theories, I don't understand why the ISE nodes must be defined in switch redirect acl. I am testing now with a simple acl "redirect www & 443", and it does not work as expected.

The client connects to the network, and for our environment, it is asked to dot1x until it expires and then she moves to mab. How, I don't have an authz rules defined for my test machine and so is my Tote authz rule of CWA that sends a DACL CWA. The switch sets the ACLs on the interface in the following order: 1. 2 redirect. DACL 3. PACL. In my list DACL, I have access to the ISE nodes allowed (just to be sure) and the redirect still works because my test machine doesn't send any traffic www/443 to lymph ISE I know (CWA is 8443).

Someone can explain (in detail) why a client machine would send www/443 traffic to the nodes of the ISE and must therefore be defined in the local redirect CWA acl to the switch.

In fact, the dACL will replace the ACL/PACL preauthentication you configured on the switchport. Traffic should be allowed first via the DACL, then she will hit redirect the ACL.

Tags: Cisco Security

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