...
- Go to Edit > Preferences
- Click to expand the Protocols tree
- Scroll down and select RADIUS
- Enter the RADIUS shared secret and click OK to save
- Enter "radiusudp.port == 1812" in the display filter to display RADIUS traffic only
- Select the "You will now be able to view the Access-Request " packet to examine, and check the Attribute Value Pairs to find the decrypted username and passwordand Challenge packets
