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Tweaking BGP add-paths

Tweaking BGP add-paths

 

This post follows-up my previous article Granular BGP advertise-external for MPLS L3VPNs with the intention to tweak and illustrate the BGP add-path feature implementation in Junos OS for IPv4 unicast and IPv6 labeled-unicast (6PE) routes. BGP add-paths provide a more comprehensive path diversity approach than diverse paths or advertise-external and in my view, multiple applications can be based on Junos OS BGP add-path tactical deployment in default instance tables.

 

 

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Juniper Employee
Inter-AS Option A+B for IPv4 and IPv6 L3VPNs - Part III (Aggregation and filtering)

Inter-AS Option A+B for IPv4 and IPv6 L3VPNs - Part III (Aggregation and filtering)

This post finishes the Inter-AS Option A+B article series in this blog after Inter-AS Option A+B for IPv4 and IPv6 L3VPNs - Part I and Inter-AS Option A+B for IPv4 and IPv6 L3VPNs - Part II (Label substitution), bringing in a more comprehensive application for this use case: the ability to perform IPv4 and IPv6 route aggregation and filtering at this hybrid interconnect.

 

 

 

 

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Juniper Employee
Inter-AS Option A+B for IPv4 and IPv6 L3VPNs - Part II (Label substitution)

Inter-AS Option A+B for IPv4 and IPv6 L3VPNs - Part II (Label substitution)

 

This article follows up Inter-AS Option A+B for IPv4 and IPv6 L3VPNs - Part I with the intention to illustrate intrincate options that a label substitution policy can offer in the same setup.

 

A label substitution policy in Junos OS provides resources to conserve and control labels in an inter-AS option B Autonomous System Border Router (ASBR) with local VRFs. It provides further instrumentation to be able to discern routes further than by its Route Targets (RTs) and determine a label action for them.

 

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Juniper Employee
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Re: Per-prefix LFA
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Re: Netconf and YANG – explained in a layman’s term
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