upgrade router from 800 to 2801

[amitlev1808]

hello; Im upgrading my router from 800 series to 2801'

the problem is that in the 800 router i got vlans.

when im trying to do vlan on 2801 in the config mode im getting a unrecognized command ..

plz help  

[Leo Laohoo]

Read this:  Configuring InterVLAN Routing and ISL/802.1Q Trunking on a Catalyst 2900XL/3500XL/2950 Switch Using an External Router

[amitlev1808]

Thanks for answering but I know how to configure interVlan, the problem is that i got 800 router that connect with simple vlan ..can i do the same one the 2801 router???