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MPLS TTL Propagation

tckoon
Level 1
Level 1

‎10-27-2009 08:28 PM

Hi all,

As we knew when turn off ttl propagation, MPLS network ips is not visible if we perform trace route.

If MPLS network with dozen of customers(vrf) and I want specific customer not visible the mpls netwok and some customer do have visibility.

How can I achive this ??

Regards

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Nagendra Kumar Nainar
Cisco Employee
Cisco Employee

‎10-29-2009 10:28 PM

Hi,

MPLS TTL propagation can only be disabld globally and per VRF is not supported.

You may have to use access-list on PE to allow/deny ICMP traffic per customer/VRF.

HTH,

Nagendra

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