Does your Catalyst 4000 have a built in layer 3 module ?
What sort of router are you useing ?
If you are having a problem setting up switch trunks because of an encapsulation mismatch, know that cisco are phasing out ISL and are using the standard 802.1Q. If you need to connect each VLAN accross switches and can't use a trunk, you will have to use an accessport (with a cross-over) for each vlan you want to connect. Note that VTP will not work now.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...