Multicast and Routing Guide K/KA/KB.15.15

Re-enabling state contained within nodes of BGP processes
Syntax:
[no] enable
disable
Re-enables the state contained within this node and all child nodes of the Border
Gateway Protocol (BGP) process. The disable command disables the state
contained within this node and all child nodes. The default is for the state to be
disabled.
Configuring BGP policy globally
Table 32 Global BGP policy configuration commands
CLI referenceDefaultDescriptionCommand syntax
(page 292)Delays sending the BGP
Open message until an
OPEN message is received.
[no] bgp
open-on-accept
(page 292)Specifies the maximum
number of routes that BGP
[no] bgp
maximum-prefix
max-routes
will accept for installation
into the Routing Information
Base (RIB).
(page 292)Enables the comparison of
the Multi Exit Discriminator
[no] bgp
always-compare-med
(MED) for paths from
neighbors in different
autonomous systems.
(page 292)Specifies the number of time
an Autonomous System
[no] bgp allowas-in
num-loops
number can appear in the
AS_PATH.
(page 293)By default, the AS-path is
considered during BGP best
path selection.
Configures Border Gateway
Protocol (BGP) to not
consider the autonomous
[no] bgp bestpath
as-path-ignore
system (AS)-path during best
path route selection.
(page 293)Specifies to break ties
between routes based the
[no] bgp bestpath
compare-originator-id
Originator ID value instead
of the neighbor’s router ID.
(page 293)To configure a Border
Gateway Protocol (BGP)
[no] bgp bestpath
compare-router-id
routing process to compare
identical routes received
from different external peers
during the best path
selection process and to
select the route with the
lowest router ID as the best
path, use the bgp
bestpath
compare-routerid
command in router
configuration mode.
(page 294)To configure a Border
Gateway Protocol (BGP)
[no] bgp bestpath
med-missing-as-worst
routing process to assign a
Configuring BGP policy globally 291