Could someone please take a look at the attached configuration and advise me if I can firstly use a Cisco 877 router for the job and secondly point me in the right direction of the config. My goal is to share an existing ADSL connection with LAN1 (existing private LAN 10.55.0.0) and the proposed hotel 'guest' LAN (192.168.0.0). Obviously I do not want any kind of connectivity between the private and guest LAN. The router is running C870-ADVSECURITYK9-M Version 12.4(11) and I'm guessing I'll need to upgrade to ADVSERVICES.
The current LAN (10.55.0.0) consists of a switched network that plugs into Eth0 on the 877 router. The proposed guest LAN (192.168.0.0) will consist of a small switch plugged into Eth1 and DHCP services will be provided locally by the wireless routers out of different areas of the buildings.
The current configuration (slight amendments for security reasons) is attached.