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inter-as (Routing Instances)

Syntax

Hierarchy Level

Description

These statements add Junos support for segmented RSVP-TE provider tunnels with next-generation Layer 3 multicast VPNs (MVPN), that is, Inter-AS Option B. Inter-AS (autonomous-systems) support is required when an L3VPN spans multiple ASes, which can be under the same or different administrative authority (such as in an inter-provider scenario). Provider-tunnels (p-tunnels) segmentation occurs at the Autonomous System Border Routers (ASBR). The ASBRs are actively involved in BGP-MVPN signaling as well as data-plane setup.

In addition to creating the Intra-AS p-tunnel segment, these Inter-AS configurations are also used for ASBRs to originate the Inter-AS Auto Discovery (AD) route into Exterior Border Gateway Protocol (eBGP).

Options

ingress-replication

Select the ingress replication tunnel for further configuration.

  • Choose create-new-ucast-tunnel to create a new unicast tunnel for ingress replication.

  • Choose label-switched-path to create a point-to-point LSP unicast tunnel, and then choose label-switched-path-template to use the default template and parameters for dynamic point-to-point LSP.

inter-region-segmented

Select whether Inter-Region Segmented LSPs are triggered by threshold rate, or fan-out, or both. Supported tunnels are PIM-SSM and PIM-ASM; Inter-region-segmented cannot be set for PIM tunnels.

  • Choose fan-out and then specify the number (from 1 to 10,000) of remote Leaf-AD routes to use as a trigger point for segmentation.

  • Choose threshold and then specify a data threshold rate (from 0 to 1,000,000 kilobytes per second) to use to use as a trigger point for segmentation.

ldp-p2mp

Select to use LDP point-to-multipoint LSP for flooding; LDP P2MP must be configured in the master routing instance.

rsvp-te

Select to use RSVP-TE point-to-multipoint LSP for flooding.

  • Choose label-switched-path-template to use the default template and parameters for dynamic point-to-point LSP.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 19.1R1.