ECMP Load Sharing for IP

Equal-cost multipath (ECMP) sets are formed when the router finds routing table entries for the same destination with equal cost. The router then balances traffic across these sets of equal-cost paths by using one of two ECMP modes—hashed (the default) or round-robin.

• ECMP Hashed Mode Overview
• Defining the Maximum Parallel Routes Supported by the Routing Protocol
• ECMP Round-Robin Mode Overview
• Configuring ECMP Round-Robin Load Sharing
• ECMP Fast Reroute Protection Overview