What's the easiest way to create a new VLAN and then move all existing devices to it?

One of our locations was implemented using VLAN1 as the main (native) VLAN. My goal is to create a new sub-interface on the router and then move all the existing switches (all Layer 2) into the new VLAN, without disrupting the network (and remotely). I am trying to determine the best way to proceed. Thanks.

I wanted to shed a little more light on the situation. The "new" VLAN has actually been in existence since the network was initially setup. The network runs VTP and the new VLAN already has an interface on the router and already shows up on all the switches when you do a "sh vlan" command. We have about 10 VLANs in all. In reality, I am simply trying to migrate about 8 switches from VLAN1 (which they never should have been on) to the new VLAN. I know that I need to create an interface for the new VLAN on each of the switches and then swap the management IP to that interface. If I could connectly directly into each switch via the console port, this would be a simple task. However, the switches are in extremely remote locations with special circumstances, thus I have no physical access to them. This fact has me a little reluctant to making the changes, as we can't afford any mistakes that would potentially cause network downtime. I am looking for some guidance on exactly the steps to take to achieve my goal. Let's call the new vlan, VLAN2. During testing, I logged into a local switch that was on VLAN1 (that's where it had it's management address). It did have VLAN2-VLAN10 as well, via VTP. I created an interface for VLAN3 on the switch and then accessed it via VLAN3 to swap the main management interface from VLAN1 to VLAN2. The changes took, but I couldn't access it via VLAN2. I am assuming this is because the router still has VLAN1 listed as the native vlan and the VLAN2 IP address is still assigned to VLAN1 on the router. What would be the best way for me to make the required changes on the 8 switches that need swapped, without losing remote access? It wouldn't hurt if the network went down for 5 minutes or less, but we can't have a big outage. Thanks.

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