aaa new-model
aaa group server tacacs+ Netadmin
 server 10.50.0.220
aaa authentication login Netadmin group Netadmin local
tacacs-server host 10.50.0.220 single-connection key 77121491145
line vty 0 4
login authentication Netadmin




*Oct 30 16:17:03.087: TPLUS: Queuing AAA Authentication request 21 for processing
*Oct 30 16:17:03.087: TPLUS: processing authentication start request id 21
*Oct 30 16:17:03.087: TPLUS: Authentication start packet created for 21(brockburn)
*Oct 30 16:17:03.087: TPLUS: Using server 10.50.0.220
*Oct 30 16:17:03.087: TPLUS(00000015)/0/NB_WAIT/85B12E1C: Started 5 sec timeout
*Oct 30 16:17:03.111: T+: Version 192 (0xC0), type 1, seq 1, encryption 1
*Oct 30 16:17:03.111: T+: session_id 105791686 (0x64E40C6), dlen 33 (0x21)
*Oct 30 16:17:03.111: T+: type:AUTHEN/START, priv_lvl:1 action:LOGIN ascii
*Oct 30 16:17:03.111: T+: svc:LOGIN user_len:9 port_len:4 (0x4) raddr_len:12 (0xC) data_len:0
*Oct 30 16:17:03.111: T+: user:  brockburn
*Oct 30 16:17:03.111: T+: port:  tty6
*Oct 30 16:17:03.111: T+: rem_addr:  10.50.2.176
*Oct 30 16:17:03.111: T+: data:
*Oct 30 16:17:03.111: T+: End Packet
*Oct 30 16:17:03.111: TPLUS(00000015)/0/NB_WAIT: wrote entire 45 bytes request
*Oct 30 16:17:03.111: TPLUS: Would block while reading pak header
*Oct 30 16:17:03.227: TPLUS: Error occurs in reading packet header, shutdown the single connection
*Oct 30 16:17:03.227: TPLUS(00000015)/0/85B12E1C: Processing the reply packet