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1006 CHAPTER 72: BGP CONFIGURATION COMMANDS
preference (BGP/BGP-VPN instance view)
Syntax preference { external-preference internal-preference local-preference | route-policy
route-policy-name }
undo preference
View BGP view/BGP-VPN instance view
Parameters external-preference: Preference of EBGP route, in the range 1 to 255.
internal-preference: Preference of IBGP route, in the range 1 to 255. An IBGP is a
route learned from another peer inside AS.
local-preference: Preference of local route, in the range 1 to 255.
route-policy-name: Routing policy name, a string of 1 to 19 characters. Using the
routing policy can set preference for routes passing through it. For the routes
filtered out, the default value applies.
Description Use the
preference command to configure preferences for external, internal, and
local routes.
Use the
undo preference command to restore the default.
For external-preference, internal-preference and local-preference, the bigger the
preference value is, the lower the preference is, and the default values are 255,
255, 130 respectively.
Examples # In BGP view, configure preferences for EBGP, IBGP and local routes as 20, 20 and
200.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] preference 20 20 200
# In BGP-VPN instance view, configure preferences for EBGP, IBGP and local routes
as 20, 20 and 200 (the VPN has been created).
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ipv4-family vpn-instance vpn1
[Sysname-bgp-vpn1] preference 20 20 200
reflect between-clients (BGP view)
Syntax reflect between-clients
undo reflect between-clients
View BGP view