When BGP4 is enabled, you can configure more advanced features such as route dampening and autonomous system confederation.
Several configurations are available from BGP router configuration mode.
device(config-bgp-router)# ?
Possible completions:
address-family Enter Address Family command mode
always-compare-med Allow comparing MED from different neighbors
as-path-ignore Ignore AS_PATH length for best route selection
auto-shutdown-new-neighbors Auto shutdown new neighbor
capability Set capability
cluster-id Configure Route-Reflector Cluster-ID
compare-med-empty-aspath Allow comparing MED from different neighbors
even with empty as-path attribute
compare-routerid Compare router-id for identical BGP paths
confederation Configure AS confederation parameters
default-local-preference Configure default local preference value
describe Display transparent command information
distance Define an administrative distance
enforce-first-as Enforce the first AS for EBGP routes
fast-external-fallover Reset session if link to EBGP peer goes down
install-igp-cost Install igp cost to nexthop instead of MED
value as BGP route cost
local-as Configure local AS number
log-dampening-debug Log dampening debug messages
maxas-limit Impose limit on number of ASes in AS-PATH
attribute
med-missing-as-worst Consider routes missing MED attribute asleast
desirable
neighbor Specify a neighbor router
timers Adjust routing timers