SA ------------- | s3500 | --------------- Secospace (SM, SC)
Start 802.1x on the S3500, SM as a RADIUS certification server. The SM uses dual network cards. The addresses are192.168.0.104, and 192.168.1.2. Use 192.168.0.104 as 802.1X RADIUS certification server end. SA can not pass certification.
Disable the 192.168.1.2 network card,just moved to another machine.
Packet capture tool to see, S3500 send request message to SM RADIUS, source address is 192.168.12.1, (S3500's address), and destination address is 192.168.0.104. SM response message source address is 192.168.1.2, and the destination address is 192.168.12.1. The address that selected during SM do the encapsulation of the packet is wrong