Configuring mbgp route attributes, Prerequisites, Configuring mbgp route preferences – H3C Technologies H3C S7500E Series Switches User Manual
Page 243: Configuring the default local preference, Configuring mbgp, Route attributes
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To do…
Use the command…
Remarks
Configure BGP route dampening
parameters
dampening [ half-life-reachable
half-life-unreachable reuse
suppress ceiling | route-policy
route-policy-name ] *
Required
Not configured by default
Configuring MBGP Route Attributes
You can modify MBGP route attributes to affect route selection.
Prerequisites
Before configuring this task, you need to configure MBGP basic functions.
Configuring MBGP Route Preferences
You can reference a route policy to set preferences for routes matching it. Routes not matching it use
the default preferences.
Follow these steps to configure MBGP route preferences:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Enter IPv4 MBGP address family
view
ipv4-family multicast
—
Configure preferences for external,
internal, local MBGP routes
preference { external-preference
internal-preference
local-preference | route-policy
route-policy-name }
Optional
The default preferences of
multicast MBGP eBGP, MBGP
iBGP, and local MBGP routes are
255, 255, and 130 respectively.
Configuring the Default Local Preference
Follow these steps to configure the default local preference:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Enter IPv4 MBGP address family
view
ipv4-family multicast
—