TACAS not working - No TACACS packets in TCPDUMP

Hello Mate,

You are not seeing packets in your capture, as "any" argument in "-i" option cause tcpdump not to operate in promiscuous mode. You could try: tcpdump -i eth0 port 49 and you should see your traffic being captured.

As for the TACACS tutorials, you could also see these links:

https://support.f5.com/kb/en-us/solutions/public/8000/800/sol8811.html

https://devcentral.f5.com/articles/v10-remote-authorization-via-tacacs-43

--M.