Huawei Quidway S5600 Series Operation Manual page 372

Operation Manual – Routing Protocol
Quidway S5600 Series Ethernet Switches-Release 1510
MED value
5.5.2 Configuring BGP Route Attributes
BGP possesses many route attributes for you to control BGP routing policies.
Table 5-13 Configure BGP route attributes
Enter system view
Enable BGP, and enter
BGP view
Configure
management preference of
the exterior, interior and
local routes
Set the
preference
Configure
the MED
attribute
Configure
address as the next hop
address
router advertises a route.
Configure
the
AS_Path
attribute
Operation
system-view
bgp as-number
the
preference
ebgp-value
ibgp-value local-value
default
default local
local-preference
value
Configure the
default
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.
the local
peer
when a BGP next-hop-local
Configure
the number peer { group-name |
of local AS ip-address
number
allow-as-loop
occurrences [ number ]
allowed
Huawei Technologies Proprietary
Command
—
Required
By default, BGP is disabled.
Optional
By default, the management
preference of the exterior,
interior and local routes is
256, 256, and 130.
Optional
By
preference defaults to 100.
Optional
med
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.
Required
In some network, to ensure
an IBGP neighbor locates
the correct next hop, you can
group-name
configure
address of a route to be the
local address for a BGP
router to advertise route
information to IBGP peer
groups.
Optional
}
By default, the number of
local
occurrences allowed is 1.
5-27
Chapter 5 BGP Configuration
Description
default, the local
the next hop
AS number