Dell S6000 FTOS 9.0(2.0) Command Line Reference Guide for the System - Page 217

Defaults Disabled Command Modes ROUTER BGP Usage The software compares the MEDs only if the path contains no external autonomous system numbers. If Information you enable this command, use the clear ip bgp * command to recompute the best path. Command History Version 9.0.2.0 Version 8.3.11.1 Version 7.8.1.0 Introduced on the S6000. Introduced on the Z9000. Introduced support on S-Series bgp bestpath med missing-as-best s z S6000 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 To return to the default selection, use the no bgp bestpath med missing-as-best command. Defaults Disabled Command Modes ROUTER BGP Usage Information The MED is a 4-byte unsigned integer value and the default behavior is to assume a missing MED as 4294967295. This command causes a missing MED to be treated as 0. During the path selection, paths with a lower MED are preferred over those with a higher MED. Command History Version 9.0.2.0 Version 8.3.11.1 Version 7.8.1.0 Introduced on the S6000. Introduced on the Z9000. Introduced support on S-Series bgp bestpath router-id ignore s z S6000 Do not compare router-id information for external paths during best path selection. Syntax bgp bestpath router-id ignore To return to the default selection, use the no bgp bestpath router-id ignore command. Defaults Disabled Command Modes ROUTER BGP Usage Configuring this option will retain the current best-path. When sessions are subsequently reset, the Information oldest received path will be chosen as the best-path. Command History Version 9.0.2.0 Introduced on the S6000. Border Gateway Protocol | 217