Inter-area TE and L1/L2 ISIS routers

I am a little bit confused when we talked about inter-area TE and L1/L2 ISIS routers.
I have 8 L1/L2 routers in a partial mesh, these routers belong to different ISIS areas.
As I understand ISIS implements a topology table for the L2 routes and thus a TE Tunnel is always possible between L1/L2 routers even if they belong to different area ids.
Inter-area TE only solves the issue for tunnels between L1 only routers belongging to different areas.
Am I correct? Can I go forward and configure a TE tunnel between L1/L2 routers in different areas?
Thanks, Roque

So I guess what you mean is that I do not have to worry about setting up inter-area Tunnels because L1/L2 routers knows the core topology?

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Wish you a Happy New year,,,,,,,
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Hello,
Did you assign the internal customer to the ordering sales organisation? If not, then create a customer in Delivering Sales org + DC+ Div + Plant and assign the same in the ordering sales organisation.
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Inter-area TE and L1/L2 ISIS routers

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