In this post I will try to clarify the difference between route distinguisher and route target within the Cisco world of MPLS VPN’s. The main confusion comes from the fact that in most Cisco Press books they always show the route distinguisher value and route target value as the same. They are not the same and …

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Let’s talk about one important concept in Route-reflection configuration in Junos. To start with, there are 2 main IPv4 routing-tables in Junos which are inet.0 and inet3.0. inet.0 is main global routing table and inet3.0 is used in MPLS Layer 3 VPN and this table stores the egress address of an MPLS label-switched path (LSP), …

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