I am currently using a home made router with OpenBSD which is connected directly to my ISP's fiber router. The OpenBSD router is setup with a fixed IP on the WAN port and I do internal NAT etc.
In about a month a new ISP is going to provide internet via the fiber and they are changing the equipment. What they have told me is that in order to use my own router, the router has to support VLAN tagging. The statement I got was: "We send traffic out on VLAN 100 so your router needs to be tagged to 100. Then all it has to do is to get an IP via DHCP." I have not done any VLAN stuff before and I am unsure exactly how to do this. Is this possible and how exactly is that done? Thanks.
