Resolved! ISE server receives authentication requests from the VLAN gateway, not from the switch management IP
Hi A catalyst 3850 switch has VLAN 20 (10.18.4.32/29) defined on it, which has a gateway of 10.18.4.38: BWY-01-D01#show ip int brief vlan 20Interface IP-Address OK? Method Status ProtocolVlan20 10.18.4.38 YES manual up up An ISE server (SNS3415) ...