Lỗi khi ssh vào router qua radius server

[zusakyta193]

Hi all!
Em đang test radius server ( Linux) thì bị gặp lỗi này ạ

Radius Server(172.16.1.200) --(.100) Cisco2691 (10.0.0.1) --- (.2) PC

Ping Ok. Cấu hình:
+radius server(linux):
host: localhost
acc: u1 pass: 123456a@ key: testing123
test account(success)

+router:
ip domain localhost
crypto key ...: 1024
ip ssh ver 2
ip ssh authen 5
ip ssh time 120
user u1 pass 123456a@
line vty 0 4
login local
transpot input ssh

aaa new-model
aaa authentication login default group radius
aaa authorization exec default group radius
radius-server host 192.168.174.200
RadiusClient(config)#radius-server key testing123

File log:
*Mar 1 01:40:08.987: RADIUS/ENCODE(00000009): ask "Password: "
*Mar 1 01:40:08.991: RADIUS/ENCODE(00000009): send packet; GET_PASSWORD
*Mar 1 01:40:09.003: RADIUS/ENCODE(00000009):Orig. component type = EXEC
*Mar 1 01:40:09.007: RADIUS: AAA Unsupported Attr: interface [158] 5
*Mar 1 01:40:09.007: RADIUS: 74 74 79 [tty]
*Mar 1 01:40:09.011: RADIUS/ENCODE(00000009): dropping service type, "radius-server attribute 6 on-for-login-auth" is off
*Mar 1 01:40:09.015: RADIUS(00000009): Config NAS IP: 0.0.0.0
*Mar 1 01:40:09.015: RADIUS/ENCODE(00000009): acct_session_id: 7
*Mar 1 01:40:09.019: RADIUS(00000009): sending
*Mar 1 01:40:09.027: RADIUS/ENCODE: Best Local IP-Address 192.168.174.100 for Radius-Server 192.168.174.200
*Mar 1 01:40:09.035: RADIUS(00000009): Send Access-Request to 192.168.174.200:1645 id 1645/10, len 89
*Mar 1 01:40:09.039: RADIUS: authenticator 02 08 81 DA A5 68 0C 33 - A8 6B 66 1D 27 7C C4 19
*Mar 1 01:40:09.039: RADIUS: User-Name [1] 4 "u1"
*Mar 1 01:40:09.043: RADIUS: Reply-Message [18] 12
*Mar 1 01:40:09.047: RADIUS: 50 61 73 73 77 6F 72 64 3A 20 [Password: ]
*Mar 1 01:40:09.047: RADIUS: User-Password [2] 18 *
*Mar 1 01:40:09.051: RADIUS: NAS-Port [5] 6 66
*Mar 1 01:40:09.051: RADIUS: NAS-Port-Id [87] 7 "tty66"
*Mar 1 01:40:09.055: RADIUS: NAS-Port-Type [61] 6 Virtual [5]
*Mar 1 01:40:09.059: RADIUS: Calling-Station-Id [31] 10 "10.0.0.2"
*Mar 1 01:40:09.059: RADIUS: NAS-IP-Address [4] 6 192.168.174.100
R1#
R1#
*Mar 1 01:40:14.619: RADIUS: no sg in radius-timers: ctx 0x66E4A094 sg 0x0000
*Mar 1 01:40:14.623: RADIUS: Retransmit to (192.168.174.200:1645,1646) for id 1645/10
R1#
*Mar 1 01:40:20.195: RADIUS: no sg in radius-timers: ctx 0x66E4A094 sg 0x0000
*Mar 1 01:40:20.199: RADIUS: Retransmit to (192.168.174.200:1645,1646) for id 1645/10
R1#
*Mar 1 01:40:25.779: RADIUS: no sg in radius-timers: ctx 0x66E4A094 sg 0x0000
*Mar 1 01:40:25.783: RADIUS: Retransmit to (192.168.174.200:1645,1646) for id 1645/10
R1#
*Mar 1 01:40:30.951: RADIUS: no sg in radius-timers: ctx 0x66E4A094 sg 0x0000
*Mar 1 01:40:30.955: %RADIUS-4-RADIUS_DEAD: RADIUS server 192.168.174.200:1645,1646 is not responding.
*Mar 1 01:40:30.963: %RADIUS-4-RADIUS_ALIVE: RADIUS server 192.168.174.200:1645,1646 has returned.
R1#
*Mar 1 01:40:30.967: RADIUS: No response from (192.168.174.200:1645,1646) for id 1645/10
*Mar 1 01:40:30.971: RADIUS/DECODE: No response from radius-server; parse response; FAIL
*Mar 1 01:40:30.975: RADIUS/DECODE: Case error(no response/ bad packet/ op decode);parse response; FAIL

Em cám ơn !