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Community Member

Traffic Engineering Database

Hi

Is traffic-engineering information stored in a separate database? If so, please detail the update procedure of this TED in comparison to the legacy IGP routing database.

i would appreciate if give me a reference.

thank you

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Community Member

Traffic Engineering Database

Hi,

MPLS TED is stored in the same database of IGP (i m considering OSPF). You will have to look under the corresponding LSA type. In case of OSPF as IGP, MPLS TE information are propagated through the area using Type 9 Opaque-Area scope LSA.

You can view this information using "show ip ospf database opaque-area".

Type 9 LSA contains three extra attributes - Admin Metric (TE metric, default equal to IGP Metric), Affinity Bits, Maximum Bandwidth available and reserved. CSPF takes these additional three attributes and computes ERO in case ERO is not defined explicitly under tunnel or validates the ERO defined explicitly.

HTH

Arun

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