line vty 0 4上面用access-class 5 out 只能限制 telnet 的播出,

lili_switch(config)#access-list 5 permit host 61.164.69.169 lili_switch(config)#access-list 5 permit 192.168.0.0 0.0.255.255 lili_switch(config)#exit lili_switch#telnet 61.164.69.169 Trying 61.164.69.169 ... Open User Access Verification P

lili_switch(config)#access-list 5 permit host 61.164.69.169

lili_switch(config)#access-list 5 permit 192.168.0.0 0.0.255.255

lili_switch(config)#exit

lili_switch#telnet 61.164.69.169

Trying 61.164.69.169 ... Open

User Access Verification

Password:

Password:

Password:

% Bad passwords

[Connection to 61.164.69.169 closed by foreign host]

lili_switch#telnet 61.164.69.168

Trying 61.164.69.168 ...

% Connections to that host not permitted from this terminal

lili_switch#telnet 61.164.69.166

Trying 61.164.69.166 ...

% Connections to that host not permitted from this terminal

lili_switch#