MPLS VPN Service with Segment Routing

MPLS VPN Configuration example with IS-IS based Segment Routing (SPRING) on Juniper QFX5100 devices. The purpose of this lab is to demonstrate what LDP or RSVP-TE can be easily replaced with SR.

Complete Configuration Repository on GitHub:

https://github.com/bgphelp/blueprints/tree/master/SR/MPLS-VPN-SR-QFX5100

 
Continue reading “MPLS VPN Service with Segment Routing”

EVPN MPLS VLAN-Based Configuration

Configuration examples of VLAN-Based EVPN service using MPLS Dataplane Encapsulation in Segment Routing-Enabled Juniper Network.

Complete Configuration Repository on GitHub:

https://github.com/bgphelp/blueprints/tree/master/evpn/vlan-based-mx
Continue reading “EVPN MPLS VLAN-Based Configuration”

Segment Routing Cisco – Juniper Interop Design

Cisco and Juniper Segment Routing Interoperability design with configuration examples.  IS-IS based IGP topology.

Complete configuration repository on GitHub: https://github.com/bgphelp/blueprints/tree/master/1-SR-Cisco-Juniper

 

Continue reading “Segment Routing Cisco – Juniper Interop Design”

LDP to Segment Routing (also known as SR and SPRING) Migration Steps

Step-by-step migration from LDP-based design to Segment Routing topology in Juniper environment.  In this example, we will be using IS-IS as IGP protocol. 
Continue reading “LDP to Segment Routing (also known as SR and SPRING) Migration Steps”

Migrating to BGP-Free Core in Juniper Environment

Discussion on how to migrate to BGP-Free Core by deploying MPLS as network tunneling mechanism. Document provides step-by-step migration steps for a Juniper-based network.  
Continue reading “Migrating to BGP-Free Core in Juniper Environment”

Juniper High Availability Customer Site using AS-Prepend

Configuring Dual-CE BGP High Availability Site. This article provides Juniper Configuration Example that uses BGP AS-Prepend to identify primary and secondary paths.
Continue reading “Juniper High Availability Customer Site using AS-Prepend”

BGP Next-Hop Self Explained

One of the common questions asked by people who begin their BGP journey is related to BGP ‘Next-Hop Self’ configuration option. What does it do? Should I use it on my network? What will happen if I forget to configure it? Today we’ll try to answer these questions.
Continue reading “BGP Next-Hop Self Explained”