Hi Lada, Joe,

Thanks for the guidance, please see inline.

Thanks,
Bo

-----邮件原件-----
发件人: Ladislav Lhotka [mailto:[email protected]] 
发送时间: 2020年5月7日 14:38
收件人: Joe Clarke (jclarke) <[email protected]>; Wubo (lana) 
<[email protected]>
抄送: [email protected]; [email protected]; 
[email protected]; [email protected]
主题: Re: Yangdoctors last call review of draft-ietf-opsawg-tacacs-yang-03

"Joe Clarke (jclarke)" <[email protected]> writes:

>> - Is it correct that the server type may be either one of "authentication", 
>> "authorization" or "accounting", or all of them? Is it impossible for a 
>> server to be authentication & authorization but not accounting? Such a 
>> variant cannot be configured.
>> [Bo] OK, will correct when the final guidance on this issue is received.
>
> Lada replied yesterday to say that the bit string is likely preferred similar 
> to access-operations in ietf-netconf-acm.  I might personally discourage the 
> use of ‘*’ for this given that there are only three types, but that’s just my 
> individual thought.

+1

I think it is better to have all three types explicitly in the value. Perhaps 
this could also be the default?

Lada
[Bo] Please see if the definition below is correct:
  typedef tcsplus-server-type {
       type bits {
         bit authentication {
           description
             "When set, the server is an authentication server.";
         }
         bit authorization {
           description
             "When set, the server is an authorization server.";
         }
         bit accounting {
           description
             "When set, the server is an accounting server.";
         }
         bit all {
           description
             "When set, the server can be all types of TACACS+ servers.";
         }               
                 
       }
       description
         "server-type can be set to authentication/authorization/accounting or 
any combination of the three types. 
          When all three types are supported, either "all" or the three bits 
setting can be used;
     }

>
> Joe
>

-- 
Ladislav Lhotka 
Head, CZ.NIC Labs
PGP Key ID: 0xB8F92B08A9F76C67
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