RE: secondary ip address on e0? [7:28012]

You don't put an Ip address on the e0 interface just on e0.1 etc. This is beacuse the main interface will overwrite the sub interface config. Therefore the router is having problems. If you want to use secondary addresses on the main interface then you can configure an Ip address on e0 and then yo

secondary ip address on e0? [7:28012]

Configuring Sub-interfaces on a c1603 What could possibly go wrong?? It looked so easy in the book. Does this mean I must use secondary IP addresses on the e0, and sub-interfaces only on s0? Eg., #int e0 ip address [i.p.address] [subnet.mask] secondary #int s0.1 ip address [i.p.address] [subnet.ma