Dell Force10 C150 FTOS Configuration Guide FTOS 8.4.2.7 E-Series TeraScale, C- - Page 252

www.dell.com | support.dell.com Use any or all of the following commands in the CONFIGURATION ROUTER BGP mode to change how the MED attribute is used. Command Syntax bgp always-compare-med bgp bestpath med {confed | missing-as-best} Command Mode Purpose CONFIG-ROUTERBGP Enable MED comparison in the paths from neighbors with different ASs. By default, this comparison is not performed. CONFIG-ROUTERBGP Change the bestpath MED selection to one of the following: confed: Chooses the bestpath MED comparison of paths learned from BGP confederations. missing-as-best: Treat a path missing an MED as the most preferred one Use the show config command in the CONFIGURATION ROUTER BGP mode to view the nondefault values. Change LOCAL_PREFERENCE attribute In FTOS, you can change the value of the LOCAL_PREFERENCE attribute. Use the following command in the CONFIGURATION ROUTER BGP mode to change the default values of this attribute for all routes received by the router. Command Syntax bgp default local-preference value Command Mode Purpose CONFIG-ROUTERBGP Change the LOCAL_PREF value. • value range: 0 to 4294967295 • Default is 100. Use the show config command in CONFIGURATION ROUTER BGP mode or the show running-config bgp command in EXEC Privilege mode to view BGP configuration. A more flexible method for manipulating the LOCAL_PREF attribute value is to use a route map. Use these commands in the following sequence, starting CONFIGURATION mode to change the default value of the LOCAL_PREF attribute for specific routes. Step Command Syntax 1 route-map map-name [permit | deny] [sequence-number] 2 set local-preference value Command Mode CONFIGURATION CONFIG-ROUTE-MAP 3 exit CONFIG-ROUTE-MAP Purpose Enter the ROUTE-MAP mode and assign a name to a route map. Change LOCAL_PREF value for routes meeting the criteria of this route map. Return to the CONFIGURATION mode. 252 | Border Gateway Protocol IPv4 (BGPv4)