1) Use COP and LLOP to verify inks.
2) Verify which ports are forwarding and blocking (spanning tree)
3) Optimize spanning tree with Core1 being root for odd VLANs and Core2 the root for even VLANs.
4) Configure Etherchannel on the core switches.
5) Core switches should support layer 3 interVLAN routing:
VLAN 1 = Core 1 = 10.1.1.251/24, Core 2 = 10.1.1.282/24
VLAN 10 © Core 1 = 10.1.10.251/24, Core 2 © 10.1.10,.252/24
VLAN 20 = Core 1 = 10,1.20.251/24, Core 2 = 10.1.20.252/24
VLAN 30 = Core 1 = 10.1.30.251/24, Core 2 = 10.1.30.252/24
VLAN 100 = Core 1 = 10.1.100.251/24, Core 2 = 10.1.100.252/24
6) Access layer switches will only have management P addresses in VLAN 1:
3) Switch 1 = 10.1.1.1/24
Switeh 2 = 10.1.1.2/24
Switch 3 = 10.1.1.3/24
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