I have a brand new 3550 set up in its own VTP domain with administrative VLAN 16. My switch is connected to my other VTP Domain via fiber where I have a common VLAN in both VTP Domains to allow communication. I have full communications between VTP Domains. The issue I noticed is that my administrative Vlan will not turn up till I connect another switch that also uses VLAN 16 for only administrative tasks (2950). The 2950 has no ports in VLAN 16. SO I find myself rather confused on why Vlan 16 will not turn up on the 3550 till I connect another switch. I realize that if i connect a computer to the 3550 in VLAN 16 it comes up and if I connect another switch it comes up, but why with just the 3550 will my VLAN 16 not come up?