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In PICOS system, the BGP multipath option is enabled by default with the maximum number of paths set to 64 so that the switch can install multiple equal-cost BGP paths to the forwarding table and load balance traffic across multiple links. You can change the number of paths allowed, according to your needs.
The example commands change the maximum number of paths to 12012. You can set a value between 1 and 25632. 1 disables the BGP multipath option.
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admin@XorPlus# set protocols bgp ipv4-unicast multipath ibgp maximum-paths 12012 admin@XorPlus# commit |
For paths to be consider equal, they must have the same routes attributes, such as weight, local preference, origin and AS_Path attributes are the same. If any of these attribues are different, BGP multipath will NOT take effect.
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