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Do we support RADIUS over IPv6 in ACS 5.5?

Srikanth Raghavan
Cisco Employee
Cisco Employee


Could you please let me know if we support RADIUS over IPv6?


3 Replies 3

Cisco Employee
Cisco Employee

It is hard to see the information in your screen shot but ACS 5.4 and later support IPv6 for network devices:

Also, if you type an invalid IP address in ACS you would get the following error:

A valid IPv4 address consists of four numbers (0-255) separated by periods, e.g.
A valid IPv6 address is n:n:n:n:n:n:n:n where the 'n's are either digits (0-9) or letters (A-F)

I hope this is what you were looking for!


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Thanks Neno. I think we do support IPv6 client configuration with TACACS, but not with RADIUS.

I have uploaded a better picture this time. Hope it helps.


Ugh sorry I concentrated too much on the screen shot and not on the title of your thread :( Sorry about that. Yes, IPv6 is supported for TACACS+ only. This is both for ACS and ISE.


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