Alcatel-Lucent 7450 Manual page 231

Ethernet service switch
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te-metric
Syntax
te-metric value
no te-metric
Context
config>router>mpls>interface
Description
This command configures the traffic engineering metric used on the interface. This metric is in
addition to the interface metric used by IGP for the shortest path computation.
This metric is flooded as part of the TE parameters for the interface using an opaque LSA or an LSP.
The IS-IS TE metric is encoded as sub-TLV 18 as part of the extended IS reachability TLV. The
metric value is encoded as a 24-bit unsigned integer. The OSPF TE metric is encoded as a sub-TLV
Type 5 in the Link TLV. The metric value is encoded as a 32-bit unsigned integer.
When the use of the TE metric is enabled for an LSP, CSPF will first prune all links in the network
topology which do not meet the constraints specified for the LSP path. Such constraints include
bandwidth, admin-groups, and hop limit. Then, CSPF will run an SPF on the remaining links. The
shortest path among the all SPF paths will be selected based on the TE metric instead of the IGP
metric which is used by default.
The TE metric in CSPF LSP path computation can be configured by entering the command
config>router>mpls>lsp>cspf>use-te-metric.
Note that the TE metric is only used in CSPF computations for MPLS paths and not in the regular
SPF computation for IP reachability.
The no form of the command reverts to the default value.
Default
no te-metric
The value of the IGP metric is advertised in the TE metric sub-TLV by IS-IS and OSPF.
Parameters
value — Specifies the metric value.
node-id-in-rro
Syntax
[no] node-id-in-rro <include | exclude>
Context
config>router>rsvp>
Description
This command enables the option to include node-id sub-object in RRO. Node-ID sub-object
propagation is required to provide fast reroute protection for LSP that spans across multiple area
domains.
If this option is disabled, then node-id is not included in RRO object.
Default
node-id-in-rro exclude
7450 ESS MPLS Guide
Values
1 — 16777215
MPLS and RSVP
Page 231

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