DIFFERENCE BETWEEN VRF AND VIRTUAL ROUTER IN JUNIPER

Post to Post Links II error: Unrecognized type: ”slug” and Virtual Router are 2 terms interchangeably used in JUNOS platforms where multi tenancy and logical segregation of segments via layer 3 instances is required. While both VRF and Virtual Router are responsible for allowing multiple instances of routing table to exist on same Router , both same some observable differences as shared in the below table –

 

PARAMETER

VRF

VIRTUAL ROUTER

Usage Preference  to be used in MPLS/VPN environment Preference to be used in non MPLS/VPN environment.
Route Distinguisher and Route Target in configuration RD and RT are required while configuring VRF in MP-BGP environment. RD and RT are not required to be configured in Virtual router instance
DN-bit and Route tag OSPF inside VRF automatically sets DN-bit and route-tag OSPF inside Virtual Router does not automatically sets DN-bit and route-tag
MP-BGP route import VRF automatically imports MP-BGP routes with matching route-target In Virtual router VRF does not automatically imports MP-BGP routes with matching route-target
Licensing Supported in base license Requires EFL (Enhanced Feature License) in EX Series platform
Configuration example [edit routing-instances] user@switch# set routing-instance-name instance-type vrf
user@switch# set routing-instance-name interface device-name:type-fpc/pic/port.logical-unit-number
user@switch# set routing-instance-name route-distinguisher RD-number
set device-name:type-fpc/pic/port unit logical-unit-number family inet address ip-address
[edit routing-instances] user@switch# set routing-instance-name instance-type virtual-router
user@switch# set routing-instance-name interface device-name:type-fpc/pic/port.logical-unit-number
set device-name:type-fpc/pic/port unit logical-unit-number family inet address ip-address
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