TTL expires in transit.

I have a layer 3 switch (D-link DGS 3630-28tc) with 6vlans all vlans are reachable but can’t access internet.

I’m using RB951Ui-2HnD

I have done static route that’s why all vlans can ping themselves

But no pc can access internet. I get expire in transit error from all vlans

Attach is my diagram

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You have a routing loop somewhere. Run traceroute to see where.

Thanks you are correct