Controlling Bgp Path Selection; Setting A Preferred Value For Routes Received - HP FlexFabric 12900E Series Configuration Manual

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Step
2.
Enter BGP IPv6 unicast
address
BGP-VPN
address family view.
3.
Configure IPv6 BGP route
dampening.

Controlling BGP path selection

By configuring BGP path attributes, you can control BGP path selection.

Setting a preferred value for routes received

Perform this task to set a preferred value for specific routes to control BGP path selection.
Among multiple routes that have the same destination/mask and are learned from different peers,
the one with the greatest preferred value is selected as the optimal route.
To set a preferred value for routes from a peer or peer group (IPv4 unicast/multicast address family):
Step
1.
Enter system view.
Command
family
view
or
IPv6
unicast
dampening [ half-life-reachable
half-life-unreachable
suppress ceiling | route-policy
route-policy-name ] *
Command
system-view
Enter
BGP
IPv6
unicast
address family view:
a. bgp as-number [ instance
instance-name
[ multi-session-thread ]
b. address-family
[ unicast ]
Enter BGP-VPN IPv6 unicast
address family view:
c. bgp as-number [ instance
instance-name
[ multi-session-thread ]
d. ip
vpn-instance
vpn-instance-name
e. address-family
[ unicast ]
239
Remarks
]
ipv6
N/A
]
ipv6
reuse
By default, IPv6 BGP route
dampening is not configured.
Remarks
N/A

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