Edge-Core ES4626 User Manual page 575

Announce the same route prefix through the two AS (100 and 300) to the same AS (200)
while carrying different MED;
Configure on the route 10.1.1.64
Switch(config-router)#bgp always-compare-med
17.8.3.7 bgp bestpath as-path ignore
Command: bgp bestpath as-path ignore
no bgp bestpath as-path ignore
Function: Set to ignore the AS-PATH length. The "no bgp bestpath as-path ignore"
command cancels this configuration
Parameter: None
Default: Not set
Command Mode: BGP route mode
Usage Guide: Length of AS-PATH will be compared in BGP pathing, and its length can
be ignored by using this configuration.
Example:
Add this setting on B:
Switch(config)#router bgp 200
Switch(config-router)#bgp bestpath as-path ignore
17.8.3.8 bgp bestpath compare-confed-aspath
Command:bgp bestpath compare-confed-aspath
no bgp bestpath compare-confed-aspath
Function: Set to concern the confederation AS-PATH length. The "no bgp bestpath
compare-confed-aspath" command cancels this configuration.
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
17.8.3.9 bgp bestpath compare-routerid
Command: bgp bestpath compare-routerid
no bgp bestpath compare-routerid
Compare route ID; the "no bgp bestpath compare-routerid" command
Function:
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