I recently bought a cisco 2621 router for my small home based business. My ISP is Embarq DSL. I got the router and modem working together but only as the cable modem doing the NATing. The internet is not very relaiable with this setup. I want to try it now with the 660 series modem in bridge mode. I put the modem in bridge mode and I am now pulling a public IP instead of a 192.168.2.2 now. All Interfaces are Up and UP. My interfaces are:
fa0/0 wan side
fa0/1 lan side 192.168.1.1/24
NAT is configured as follows:
ip nat outside
ip nat inside
ip nat inside source list 10 interface ethernet0/0 overload
access-list 10 permit 192.168.1.0 0.0.0.255
I still cant browse the internet. Anyone ever did this kind of setup with a DSL modem in bridge mode? Ideas of what I missed?
You need two more things
1) Routing for internet
Command on the interface mode
IP router 0.0.0.0 0.0.0.0 fa0/0
2) Ip address on the wan interface
Mostly ISP use dynamic IP address allocation.
Thus use "ip address dhcp" or âip negotiateâ depending on your IOS.