I am very confused by this traceroute. WTF is up with those ping times? What on earth is TATA doing?pic.twitter.com/GHKbEV21hx
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I am very confused by this traceroute. WTF is up with those ping times? What on earth is TATA doing?pic.twitter.com/GHKbEV21hx
Yep, looks like MPLS with TTL propagation enabled. P routers will return ICMP TTL Expired, but through edge routers, not directly.
And since that TTLExpired is returned from the far PE by sending it with the same label as the user traffic, the TTL is constant.
Makes sense... But that makes traceroute useless for figuring out latency and loss.
IMVHO a fair price to pay for having an MPLS backbone.
Can we make it forbidden to do that if your backbone is as crappy as TATA's? :P
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