[c-nsp] tracepath

[M K]

Hi allI was wondering about the below output , when i get the no reply , does that mean that i faced a change in the MTU through the path?Can i detetct MTU vlaue through the path if configured ? 
[root at core ~]# tracepath -n www.facebook.com 1:  172.16.2.225      0.135ms pmtu 1500 1:  172.16.2.1        0.404ms  2:  92.62.113.77    asymm  1   0.929ms  3:  92.62.113.21    asymm  2   1.178ms  4:  92.62.113.25    asymm  3   2.347ms  5:  82.212.74.205   asymm  4   0.860ms  6:  82.212.65.21    asymm  5   1.243ms  7:  82.212.65.5       0.976ms  8:  195.50.120.101   62.939ms  9:  4.69.139.120    asymm  8  63.645ms 10:  4.69.153.129    asymm  9  62.890ms 11:  4.69.137.66     asymm 10 131.544ms 12:  4.69.141.18     asymm 11 136.979ms 13:  4.69.132.89     asymm 12 136.743ms 14:  4.69.134.146    asymm 13 137.186ms 15:  4.69.149.146    asymm 14 161.542ms 16:  no reply17:  no reply18:  no reply19:  no reply20:  no reply21:  no reply22:  no reply23:  no reply24:  no reply25:  no reply26:  no reply27:  no reply28:  no reply29:  no reply30:  no reply31:  no reply     Too many hops: pmtu 1500     Resume: pmtu 1500
BR,