3Com Switch 7750 Configuration Guide Guide

Configuring BGP Route Attributes 347
Configuring BGP
Route Attributes
Configuring BGP Route
Attributes
BGP possesses many route attributes for you to control BGP routing policies.
Enable BGP and enter BGP
view
bgp as-number -
Configure BGP load balance balance num
Required
By default, the system does
not adopt BGP load balance.
Table 281 Configure BGP load balance
Operation Command Description
Table 282 Configure BGP route attributes
Operation Command Description
Enter system view system-view -
Enable BGP, and enter BGP view bgp as-number
Required
By default, BGP is disabled.
Configure the management
preference of the exterior, interior
and local routes
preference { ebgp-value
ibgp-value local-value }
Optional
By default, the
management preference
of the exterior, interior and
local routes is 256, 256,
and 130.
Set the default local preference
default local-preference
value
Optional
By default, the local
preference defaults to 100.
Configure the
MED attribute
Configure the
default local
MED value
default med med-value
Optional
By default, the med-value
argument is 0.
Permit to
compare the
MED values of
the routes
coming from the
neighbor routers
in different ASs.
compare-different-as-m
ed
Optional
By default, the compare of
MED values of the routes
coming from the neighbor
routers in different ASs is
disabled.
Configure the local address as the
next hop address when a BGP router
advertises a route.
peer group-name
next-hop-local
Required
In some network, to
ensure an IBGP neighbor
locates the correct next
hop, you can configure the
next hop address of a
route to be the local
address for a BGP router to
advertise route information
to IBGP peer groups.