Networking VLANs using router-on-a-stick configuration

1545 pts.
Tags:
Cisco VTP
Network connectivity
Router-on-a-stick Configuration
VLAN
WAN
I want to setup a router-on-a-stick in a WAN, where I will have a VTP server on one side of the network and a VTP client on the other side. I want VLAN information to trigger down to the client switch. There are two routers and two switches, and a total of four VLANs. How do I set it up on both sides of the routers and switches?

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As a best practice switching information is not supposed to travel over WAN. To configure a Router-on-a-stick, have VLANs on switch1 connected to router1’s Ethernet port. Similarly have VLANs on switch2 to router2’s Ethernet. I am hoping that both the routers are connected by WAN ports. Now on both the routers you need to configure sub-interfaces and enable routing between the two sub-interfaces. These sub-interfaces will be the default gateway for the respective VLANs. Once you are able to ping between the VLANs between routers, you can configure your VTP servers and clients.

Hope this helps.

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