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10-27-2022 10:37 AM - edited 10-27-2022 10:41 AM
Introduction
This document describes how to configure transit routing in an ACI multipod environment. In transit routing, the Cisco Application Centric Infrastructure (Cisco ACI) fabric advertises the routes that are learned from one Layer 3 Out (L3Out) connection to another L3Out connection. The external Layer 3 domains peer with the fabric on the border leaf switches. The fabric is a transit Multiprotocol Border Gateway Protocol (MP-BGP) domain between the peers.
Prerequisites
Requirements
- ACI multipod environment
- At least 2 L3Outs
- At least 1 spine in each pod configured as an MP-BGP route reflector: Configuring an MP-BGP Route Reflector
Components Used
- 2 N5K-C5548UP switches (used as external routers)
- 1 N9K-C9332PQ leaf switch & 1 N9K-C93108TC-EX leaf switch
- 2 N9K-C9336PQ spine switches
- 1 N9K-C9232C (used as IPN device)
Configure
Network Diagram
Configurations
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Thanks,
Gary25Bell