Accton Technology ES4626 - Manual (Page 530)

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Parameter: None
Default:
Not configured
Command Mode: BGP route mode
Usage Guide: Normally only the length of external AS-PATH will be compared in BGP
pathing. By using this configuration, lengths of AS inner union AS-PATH will be compared
at the same time.
Example:
Switch(config-router)#bgp bestpath compare-confed-aspath
13.8.3.9 bgp bestpath compare-routerid
Command:bgp bestpath compare-routerid
no bgp bestpath compare-routerid
Function: Compare route ID; the “no bgp bestpath compare-routerid” command
cancels this configuration
Parameter: None
Default:
Not configured
Command Mode: BGP route mode
Usage Guide: Normally the first arrived route from the same AS (with other conditions
equal) will be chosen as the best route. By using this command, source router ID will also
be compared.
Example:
Announce the same route prefix through two devices （10.1.1.64 and 10.1.1.68）from the
same AS (100) to another device（10.1.1.66, AS200）
Switch(config-router)#bgp bestpath compare-routerid
13.8.3.10 bgp bestpath med
Command: bgp bestpath med {[confed] [missing-as-worst]}
no bgp bestpath med {[confed] [missing-as-worst]}
Function: Configure whether the MED attributes should be compared in the
confederation path and the treatment when MED is unavailable. The “no bgp bestpath
med {[confed] [missing-as-worst]} ” command cancels this configuration
Parameter: [confed] : Compare MED in the confederation path
[missing-is-worst] : Consider as max MED value when missing.
Default: Not configured
Command Mode: BGP route mode
Usage Guide: Choose whether MED is compared among confederations by this
command. If MED is missing. It is considered max when missing-is-worst or else 0
Example: