ESR series service routers.ESR-Series. User manual
Step Description Command Keys
4 Add RADIUS server to the list of 
used servers and switch to its 
configuration mode.
esr(config)# radius-server host 
{ <IP-ADDR> | <IPV6-ADDR> } [ vrf 
<VRF> ] 
esr(config-radius-server)#
<IP-ADDR> – RADIUS server IP 
address, defined as 
AAA.BBB.CCC.DDD where each part 
takes values of [0..255];
<IPV6-ADDR> – RADIUS server IPv6 
address, defined as X:X:X:X::X where 
each part takes values in 
hexadecimal format [0..FFFF]
<VRF> – VRF instance name, set by 
the string of up to 31 characters.
5 Specify the number of failed 
authentication attempts to block 
the user login and time of the 
lock (optional).
aaa authentication attempts max-
fail <COUNT> <TIME>
<COUNT> – amount of failed 
authentication attempts after which 
a user is blocked, takes the values of 
[1..65535];
<TIME> – user blocking time in 
seconds, takes the values of 
[1..65535].
Default value:
<COUNT> – 5; <TIME> – 300
6 Set the password for 
authentication on remote RADIUS 
server.
esr(config-radius-server)# key 
ascii-text 
{ <TEXT> | encrypted 
<ENCRYPTED-TEXT> }
<TEXT> – string [8..16] ASCII 
characters;
<ENCRYPTED-TEXT> – encrypted 
password, [8..16] bytes size, set by 
the string of [16..32] characters.
7 Set the priority for using a remote 
RADIUS server (optional).
esr(config-radius-server)# 
priority <PRIORITY>
<PRIORITY> – remote server priority, 
takes values in the range of 
[1..65535].
The lower value, the higher the 
priority of server is.
Default value: 1.
8 Set the interval after which the 
router assumes that the RADIUS 
server is not available (optional).
esr(config-radius-server)# 
timeout <SEC>
<SEC> – time interval in seconds, 
takes values of [1..30].
Default value: global timer value is 
used.