To enable remote logins and make local connections secure:
set password enable <password>
set password exec <password>
Use the 9-pin serial to RJ45 cable provided to connect your PC to the 675's management port.
Use Hyperterminal or the communication program of your choice to connect to the proper COM port.
set dhcp server enabled / disabled
set nat enabled
set web disabled
set ppp wan0-0 login <username>
set ppp wan0-0 password <password>
set ppp restart enabled
set dhcp server disabled
set nat enabled
set web disabled
set ppp wan0-0 login <username>
set ppp wan0-0 password <password>
set nat entry add/delete
set ppp restart enabled
set dhcp server disabled
set nat disabled
set web disabled
set ppp wan0-0 login <username>
set ppp wan0-0 password <password>
set int eth0 address
set int eth0 netmask
set ppp restart enabled
Connect using above serial cable settings (*required)
set bri rfc1483 disabled
set ppp wan0-0 ipcp 0.0.0.0
set ppp wan0-0 dns 0.0.0.0
set nat enabled
set web disabled
set ppp wan0-0 login <username>
set ppp wan0-0 password <password>
set dhcp server enabled/disabled
set ppp restart enabled
set bri rfc1483 disabled
set ppp wan0-0 ipcp 0.0.0.0
set ppp wan0-0 dns 0.0.0.0
set nat enabled
set web disabled
set ppp wan0-0 login <username>
set ppp wan0-0 password <password>
set dhcp server disabled
set ppp restart enabled
set nat entry add/delete
set bri rfc1483 disabled
set dhcp server disabled
set nat disabled
set web disabled
set ppp wan0-0 login <username>
set ppp wan0-0 password <password>
set int eth0 address
set int eth0 netmask
set ppp restart enabled