Configuring Bgp Route Attributes - H3C S5600 Series Operation Manual

Operation Manual – Routing Protocol
H3C S5600 Series Ethernet Switches

5.5 Configuring BGP Route Attributes

5.5.1 Configuration Prerequisites
Before configuring BGP routing policy, enable basic BGP functions.
Before configuring BGP routing policy, make sure the following information is
available.
BGP priority value
LOCAL_PREF value
MED value
5.5.2 Configuring BGP Route Attributes
BGP possesses many route attributes for you to control BGP routing policies.
Follow these steps to configure BGP route attributes:
Enter system view
Enter BGP view
Configure the management
preference of the exterior,
interior and local routes
Set the default local
preference
Configure
the MED
attribute
To do... Use the command...
system-view
bgp as-number
preference
ebgp-value
ibgp-value local-value
default
local-preference
value
Configure the
default med
default local
med-value
MED value
Permit to
compare the
MED values
of the routes
compare-different-a
coming from
s-med
the neighbor
routers in
different ASs.
—
—
Optional
By default, the management
preference of the exterior,
interior and local routes is
256, 256, and 130.
Optional
By default, the local
preference defaults to 100.
Optional
By default, the med-value
argument is 0.
Optional
By default, the compare of
MED values of the routes
coming from the neighbor
routers in different ASs is
disabled.
5-26
Chapter 5 BGP Configuration
Remarks