I have an 1841 with a WIC-1ADSL-DG and am using Port Address Translation and I recently added a HWIC-4ESW etherswitch card. I have a class C address assigned to the default vlan and a different class C address assigned to f0/0. The problem is that when I went to add two static routes so that computers attached to the etherswitch card will be able to access the lan on f0/0 and the internet, the static route to the vlan did not show up in the routing table.
The following are the three routes that I have in my config file:
ip route 0.0.0.0 0.0.0.0 Dialer1
ip route x.x.x.0 255.255.255.0 f0/0
ip route x.x.x.0 255.255.255.0 vlan1
the last route is the one that would not show up in my routing table. As result any computer attached to the etherswitch card (vlan1) can ping any computer attached to f0/0, but will not go out on the internet.