有一台ASA 9.8的，outside口是拨号的，现在配置了SSH，通过现在的outside口地址，SSH始终登不上。
接口配置：
interface GigabitEthernet1/1
nameif outside
security-level 0
pppoe client vpdn group spirax
ip address pppoe setroute
!
interface GigabitEthernet1/2
nameif inside
security-level 100
ip address 192.168.27.9 255.255.255.252
SSH配置:
username cisco password cisco pr 15
crypto key generate rsa modulus 1024
ssh 0.0.0.0 0.0.0.0 outside
ssh 0.0.0.0 0.0.0.0 inside
ssh timeout 5
ssh version 2
aaa authentication ssh console LOCAL
