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TTL Security Error

In our environment there is a MPLS router which are connected to multiple switches. I am trying to communicate 10.192.192.60 which is one of the interface on Router and other interface on the router is 10.192.193.60. 

When I am trying to ping 10.192.192.60 I am getting "ttl expired in transit" error and even I tried to use ping -i by varying the hop count. From ping -i I have got strange outputs for even number hop count I am able to ping and for odd hop count "ttl expired in transit". I even executed by using traceroute and didnt find any routing loops.

Can anyone help me in troubleshooting the issiue.

Thanks,

Raja

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