[c-nsp] Hiding MPLS L3VPN hops from the CE

[David Freedman]

Jason Lixfeld wrote:
> Suppose a CE is connected to an MPLS network that has 6 hops between
> the PE this said CE connects to and the edge of the MPLS network.  If
> a user traces from behind the CE through the MPLS network, is it
> possible to hide all the hops in between? 

Between CE/PE you could filter TTL Exceeds but then get asterisks,
a tunnel of some kind would probably fix this.

"no mpls ip propagate-ttl" is only from the PE onwards.

Would like to this this opportunity yet again to rant at the lack of
selective ttl propagation and how something so seemingly simple like
many others goes unimplemented in Cisco land when there is clearly
customer demand for it:

http://puck.nether.net/pipermail/cisco-nsp/2005-April/018983.html




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-- 


David Freedman
Group Network Engineering
Claranet Group