Dell Force10 S4820T FTOS Command Reference Guide - Page 312

www.dell.com | support.dell.com Defaults Command Modes Usage Information Command History Disabled ROUTER BGP The bestpath router bgp configuration mode command changes the default bestpath selection algorithm. The multipath-relax option allows load-sharing across providers with different (but equal-length) autonomous system paths. Without this option, ECMP expects the AS paths to be identical for load-sharing. Version 8.3.19.0 Version 8.3.11.4 Introduced on the S4820T. Introduced on the Z9000. bgp bestpath med confed c e s Enable MULTI_EXIT_DISC (MED) attribute comparison on paths learned from BGP confederations. Syntax Defaults Command Modes Usage Information Command History bgp bestpath med confed To disable MED comparison on BGP confederation paths, enter no bgp bestpath med confed. Disabled ROUTER BGP The software compares the MEDs only if the path contains no external autonomous system numbers. If you enable this command, use the clear ip bgp * command to recompute the best path. Version 8.3.19.0 Version 8.3.7.0 Version 7.8.1.0 Version 7.7.1.0 Introduced on the S4820T. Introduced on the S4810. Introduced support on S-Series Introduced support on C-Series bgp bestpath med missing-as-best c e s During path selection, indicate preference to paths with missing MED (MULTI_EXIT_DISC) over those paths with an advertised MED attribute. Syntax bgp bestpath med missing-as-best 312 | Border Gateway Protocol IPv4 (BGPv4)