Load Sharing with BGP in Single and Multihomed Environments: Sample Configurations (Cisco Wrap)
Load sharing allows a router to distribute the outgoing and incoming traffic among multiple paths. The paths are derived either statically or with dynamic protocols, such as:
- Routing Information Protocol (RIP)
- Enhanced Interior Gateway Routing Protocol (EIGRP)
- Open Shortest Path First (OSPF) Protocol
- Interior Gateway Routing Protocol (IGRP)
By default, Border Gateway Protocol (BGP) selects only a single best path and does not perform load balancing. This document shows how to perform load sharing in different scenarios with the use of BGP. For additional information about load balancing, refer to How Does Load Balancing Work?.
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