Reference Guide

Border Gateway Protocol IPv4 (BGPv4) | 321
bgp bestpath as-path ignore
c e s
Ignore the AS PATH in BGP best path calculations.
Syntax
bgp bestpath as-path ignore
To return to the default, enter no bgp bestpath as-path ignore.
Defaults
Disabled (that is, the software considers the AS_PATH when choosing a route as best).
Command Modes
ROUTER BGP
Usage
Information
If you enable this command, use the clear ip bgp ipv4 unicast soft * command to recompute the best
path.
Command
History
bgp bestpath med confed
c e s
Enable MULTI_EXIT_DISC (MED) attribute comparison on paths learned from BGP confederations.
Syntax
bgp bestpath med confed
To disable MED comparison on BGP confederation paths, enter no bgp bestpath med confed.
Defaults
Disabled
Command Modes
ROUTER BGP
Usage
Information
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 ipv4 unicast soft * command to recompute the best path.
Command
History
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
To return to the default selection, use the no bgp bestpath med missing-as-best command.
Defaults
Disabled
Command Modes
ROUTER BGP
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series