AAA & SSH question

Question

Hi~
I have an authentication problem, my config is as follows:
1. When I use telnet, "% Authorization failed."
2. When I use ssh, enter the username without entering the password can authenticatoin success
3. Use ssh authentication is successful not see the record passed authentication log in ACS
Why line vty 0 4 config "login authentication console" use ssh enter the username without entering the password can authenticatoin success?
aaa new-model
aaa authentication login default group tacacs+ line
aaa authentication login console none
aaa authorization exec default group tacacs+ if-authenticated
aaa authorization exec console none
aaa accounting exec default start-stop group tacacs+
aaa accounting commands 1 default start-stop group tacacs+
aaa accounting commands 15 default start-stop group tacacs+
aaa accounting connection default start-stop group tacacs+
tacacs-server host 172.18.1.247
tacacs-server timeout 60
tacacs-server directed-request
tacacs-server key xxxx
line con 0
authorization exec console
login authentication console
line vty 0 4
login authentication console
length 0
line vty 5 15
password 7 xxxx

Answer 1

Hi Hussam,
-IP Domain-name is missing from the configuration-Transport input SSH is missing under line vty 0 4-Crypto key generate rsa is missing as well
but they are all not needed in this situation. And the "crypto key generate" is never  included in the running config.
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