multipath

Changes load sharing to apply to only iBGP or eBGP paths, or to support load sharing among paths from different neighboring autonomous systems.

Syntax

multipath { ebgp | ibgp | multi-as }

no multipath { ebgp | ibgp | multi-as }

Command Default

This option is disabled.

Parameters

ebgp: Enables load sharing of eBGP paths only.
ibgp: Enables load sharing of iBGP paths only.
multi-as: Enables load sharing of paths from different neighboring autonomous systems.

Modes

BGP address-family IPv4 unicast configuration mode

BGP address-family IPv6 unicast configuration mode

BGP address-family IPv4 unicast VRF configuration mode

BGP address-family IPv6 unicast VRF configuration mode

Usage Guidelines

Use the no form of this command to restore the default.

By default, when BGP load sharing is enabled, both iBGP and eBGP paths are eligible for load sharing, while paths from different neighboring autonomous systems are not.

Examples

This example changes load sharing to apply to iBGP paths in the IPv4 address family.

device# configure terminal
device(config)# router bgp
device(config-bgp-router)# address-family ipv4 unicast
device(config-bgp-ipv4u)# multipath ibgp

This example enables load sharing of paths from different neighboring autonomous systems in the IPv6 address family.

device# configure terminal
device(config)# router bgp
device(config-bgp-router)# address-family ipv6 unicast
device(config-bgp-ipv6u)# multipath multi-as

This example changes load sharing to apply to eBGP paths in IPv4 VRF instance "red":

device# configure terminal
device(config)# rrouter bgp
device(config-bgp-router)# address-family ipv4 unicast vrf red
device(config-bgp-ipv4u-vrf)# multipath ebgp