North American Network Operators Group
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Re: Revealed: The Internet's well known BGP behavior

  • From: Adrian Chadd
  • Date: Wed Aug 27 23:32:23 2008 
On Wed, Aug 27, 2008, John Lee wrote:
> Patrick,
> 
> VPN's and MPLS control intermediate hops and IPsec and SSL do not allow the info to be seen.
> 
> Rewriting the TTL only hides the number of hop count, trace route will still show the hops the packet has transited.

No, traceroute shows the hops which returned "time to live exceeded."

This only maps to "the hops the packet has transited" if the TTL is setup
and decremented correctly.




Adrian