Re: How to configure a leased line and an ADSL on 1751 or 1841
I think there is a missing component from your description of the network. Behind the 1751 is there some sort of firewall or other network device handling your internal IPs?
The issue I see with this is that if your IP on your FastE interface is a public routable IP from your current ISP, you would have issues routing it over a backup connection. Also if you have any sort of DNS based on those public IPs for something like a mail server it may not work on your backup connection.
I'm working on a project that includes basic router configurations. I configurated everything including: line console 0, line vty 0 15 and secret passwords. There are 3 routers in the network and every LAN is going t...