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VRF and VRF lite

The_guroo_2
Level 2
Level 2

gusy whats the difference between VRF and VRF lite....i am very new ti this VRF concept i tried to see a doco on cisco site but couldnt find it can someone please recommand a good doco for understanding and configuring VRF on routers??? thanks in advance

2 Replies 2

Harold Ritter
Cisco Employee
Cisco Employee

Hi,

VRF lite is simply when one uses VRFs on a router without implementing full support for l3vpn as described by RFC4364, hence VRF lite.

Regards,

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

shivlu jain
Level 5
Level 5

VRF lite is used at that time where your device not supports the MPLS features like LDP or TDP. From the attached figure you come to know that L3 switch is working as VRF lite becasue it doesnot supports the LDP and that switch we have extended the network till the router where the actual vrf is created becasues it supoprts the MPLS features.

regards

shivlu

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