Cisco TACACS+ appliance run same IOS as Cisco routers/switches

Are the patches applicable to Cisco routers/switches applicable to
TACACS appliance IOS?
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Patrick BogersDatacenter platform engineer LindowsCommented:
Patches and updates from Cisco are for make and model, they are not interchangable.


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sunhuxAuthor Commented:
Ok, so IOS for a 29xx & 35xx  Cisco are different that require different patches?

Does TACACS+ comes in different appliance models or just one?
sunhuxAuthor Commented:
Last question:

Where can I check for the complete list of TACACS+ patches (for all models) for the last 2 years?
I don't have a Cisco TAC account so will need something available to the public
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Patrick BogersDatacenter platform engineer LindowsCommented:
Hi again,

Yes 29xx 39xx are different model and require different patches.
Not sure where to download patches without Cisco account, we get them from our infrastructure partners.

I would sign up for a free Cisco account ans start searching the Cisco website.

Craig BeckCommented:
IOS devices don't generally have patches, they require complete IOS upgrades to fix bugs, etc.

TACACS appliances are a different thing completely.  They are either ACS or ISE.  They have no IOS but can manage administrative access to IOS devices.
sunhuxAuthor Commented:
So do TACACS appliances  vulnerabilities & bug fixes (for functionalities)
usually come in the form of patches or upgrades (ie IOS upgrades as
what Patrick mention)?
Pete LongTechnical ConsultantCommented:
As Craig has pointed out, a CCO account is free, but you can still browse versions and upgrades
you need a registered SmarNet or support agreement to download the software though (same as for your switches)
And they are very different - ACS is built on hardened Linux (I think it's BSD but i might be wrong,) and the switches run on IOS

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