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MPLS TE reoptimization

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Volodymyr Khrystenko
Level 1
Level 1

‎09-13-2013 10:09 AM - edited ‎03-04-2019 09:01 PM

Does MPLS TE reoptimization cause packet loss or not? And what happens with "old tunnel"? Is it teared down or maintained?

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Harold Ritter
Level 12
Level 12

‎09-13-2013 01:03 PM

Hi Volodymyr,

In MPLS TE, there is a notion of "make before break", where the new tunnel will be signaled before the old tunnel is taken down. This prevents packet loss.

Regards

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

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Harold Ritter
Level 12
Level 12

‎09-13-2013 01:03 PM

Hi Volodymyr,

In MPLS TE, there is a notion of "make before break", where the new tunnel will be signaled before the old tunnel is taken down. This prevents packet loss.

Regards

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
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