ESR series service routers.ESR-Series. User manual
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13.1.1  Local authentication configuration algorithm
Step Description Command Keys
1 Set local as authentication 
method.
esr(config)# aaa authentication 
login { default | <NAME> } 
<METHOD 1> 
[ <METHOD 2> ] [ <METHOD 3> ] 
[ <METHOD 4> ]
<NAME> – list name, set by the 
string of up to 31 characters.
Authentication methods:
local – authentication by 
local user base;
tacacs – authentication by 
TACACS server list;
radius – authentication by 
RADIUS server list;
ldap – authentication by 
LDAP server list.
2 Set enable as authentication 
method of user privileges 
elevation.
esr(config)# aaa authentication 
enable <NAME><METHOD 1> 
[ <METHOD 2> ] 
[ <METHOD 3> ] [ <METHOD 4> ]
<NAME> – list name, set by the 
string of up to 31 characters.
Authentication methods:
local – authentication by 
local user base;
tacacs – authentication by 
TACACS server list;
radius – authentication by 
RADIUS server list;
ldap – authentication by 
LDAP server list.
3 Set the method for iterating over 
authentication methods 
(optional).
esr(config)# aaa authentication 
mode <MODE>
<MODE> – options of iterating over 
methods:
chain – if the server returned 
FAIL, proceed to the 
following authentication 
method in the chain;
break – if the server returned 
FAIL, abandon authentication 
attempts. If the server is 
unavailable, continue 
authentication attempts by 
the following methods in the 
chain.
Default value: chain.