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traceroute

Created by dave. Last edited by dave, 6 years and 353 days ago. Viewed 1,821 times. #2
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(2017-04-11)

Discovering Path MTU With Traceroute

# traceroute -n --mtu $TARGET

eg:

# traceroute --mtu 10.10.11.91
traceroute to (10.10.11.91), 30 hops max, 65000 byte packets
 1  (172.17.97.254)  3.062 ms F=1500  14.260 ms  2.660 ms
 2  (10.181.0.1)  16.364 ms  15.479 ms  12.878 ms
 3  (10.10.11.91)  17.299 ms  15.510 ms  16.975 ms

and:

# traceroute -F --mtu 172.17.97.13
traceroute to (172.17.97.13), 30 hops max, 65000 byte packets
 1  (10.10.10.1)  0.419 ms F=1500  0.382 ms  0.387 ms
 2  (x.x.x.1)  4.572 ms F=1446  5.058 ms  5.007 ms
 3  (172.17.97.13)  8.690 ms  8.942 ms  8.921 ms
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