We conducted tests on the network topology consisting of IXIA, MX1, MX2, MX10K3 (DUT), and IXIA. During the tests, we observed that the time-to-live (TTL) for the inner IP packet is reduced as the packet exits through the end router of the GREoUDP Tunnel. Our setup involved using IXIA to generate the packet, with MX1 as the headend and MX10K3/DUT as the tail end. The outer IP payload destination address is Lo0.1 <address> of MX10K3/DUT. MX1, however, does not encapsulate the packet in any tunnel and instead uses a pure inet.0 IPv4 route to route the packet towards the DUT. Once the packet arrives at MX10K3/DUT, it is routed to VRF using a firewall filter. Finally, the packets are sent out of VRF by looking at the inner IP header with destination x.x.x.x and sent out using a static route in VRF in the DUT. In conclusion, it was observed that the IP packet TTL got decremented every time it exited from the tunnel.