RD vs RT in MPLS
Comparison Table : RD vs RT in MPLS
Below table describes the difference between RD vs RT in MPLS:
PARAMETER | RD | RT |
Abbreviation for | Route Distinguisher | Route Target |
Definition | 64-bit identifier prepended to IPv4 route used to identify VPN the route belongs to | 64-bit identifier used as part of MP-BGP attribute (extended community) to identify which route should be exported or imported to specific VPN. |
Required in VRF Lite | Yes | Not required |
Same value across different VPNs | No | May be same across multiple VPNs especially when using shared services. |
Types | No further subtypes | 2 Types – •Export Route target •Import Route target |
Configuration example | ip vrf <VRF name> rd 1:1 | ip vrf <VRF name> rd 1:1 route-target import 100:100 route-target export 100:100 |
SOURCE:https://ipwithease.com
Tag:comparison