Category // ROUTING

BGP

TECHNICAL MANIFEST: A comprehensive collection of deep-dives into path selection, community attributes, and advanced BGP configurations. Analyzing the backbone of modern internet routing through precision engineering.

ENTRY.01 JUNIPER

JUN 07 2026

The Architectural Deep Dive: Demystifying Junos Local Routes and BGP Policy Chains

A deep dive into why an operational inline services /32 interface prefix failed to advertise across an iBGP full mesh, exposing the inner workings of the Junos routing engine.

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ENTRY.02 BGP

JUN 05 2026

Beyond BGP Path Selection: eBGP vs iBGP on Juniper Junos

A deep comparison of the BGP path selection process between eBGP and iBGP on Juniper platforms — tie-breakers, CLI output analysis, and production configs.

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ENTRY.03 BGP

DEC 17 2024

AS Path

Indicate path back to the route source and prevents routing loops.

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ENTRY.04 BGP

DEC 12 2024

Local Preference

The Power of Local Preference. The first BGP attribute used to favor one route over another.

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ENTRY.05 BGP

DEC 10 2024

BGP Attributes

BGP uses different attributes to control the advertisement and influence path selection

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ENTRY.06 BGP

DEC 01 2024

Route Selection

How to influance the route selection with the approptiate attributes.

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ENTRY.07 BGP

NOV 22 2024

Finite State Machine

This article explains the different states during the BGP neighbor negotiation

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Index: Protocols

Registry: Tags

#JUNIPER #JUNOS #BGP #ROUTING-POLICY #SERVICE-PROVIDER #ROUTING #PATH-SELECTION #ATTRIBUTES

ngeran a.k.a nikos ARCHITECT_V1.0

Every packet tells a story — we read them all. A network engineering blog covering routing, automation, observability, and the art of solving problems at scale.

Index: Protocols

Registry: Tags

#JUNIPER #JUNOS #BGP #ROUTING-POLICY #SERVICE-PROVIDER #ROUTING #PATH-SELECTION #ATTRIBUTES