--> By Default BGP does not support load balancing or load sharing via multiple links.
--> BGP Multipath allows the router to perform load balancing if some parameters are matching on both the links ( like As path, Weight, MED, Next HOP, Origin Code).
--> In order to enable BGP Multipath use the following command
Router(config)# router bgp 100
Router(config-router)# maximum-paths 2
--> If the AS path of both the neighbors is not same also we can do load balancing by using following command.
Router(config)# router bgp 100
Router(config-router)# bgp bestpath as-path multipath-relax
--> DMZ Link Bandwidth allows the router to perform unequal cost load balancing by considering the link bandwidth.
--> In order to enable BGP DMZ Link Bandwidth use the following command
Router(config)# router bgp 100
Router(config-router)#bgp dmzlink-bw
--> BGP Multipath allows the router to perform load balancing if some parameters are matching on both the links ( like As path, Weight, MED, Next HOP, Origin Code).
--> In order to enable BGP Multipath use the following command
Router(config)# router bgp 100
Router(config-router)# maximum-paths 2
--> If the AS path of both the neighbors is not same also we can do load balancing by using following command.
Router(config)# router bgp 100
Router(config-router)# bgp bestpath as-path multipath-relax
--> DMZ Link Bandwidth allows the router to perform unequal cost load balancing by considering the link bandwidth.
--> In order to enable BGP DMZ Link Bandwidth use the following command
Router(config)# router bgp 100
Router(config-router)#bgp dmzlink-bw
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