Aditi who is working with you seems to be on the right track. The real problem is determining why your switch stack is sending the GP traffic over the vwire, despite that it came in the l3 interface. This might come down to the default route you are using the GP client config. You might need to set the GP Default GW to the PA if it is not already. If it is, you have something downstream sending traffic out the vwire which we are not expecting. Regards, Kaleb
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