Ignoring Igp Metrics During Optimal Route Selection - HP FlexFabric 12900E Series Configuration Manual

Step
2. Enter BGP IPv6 unicast
address
BGP-VPN
address family view.
3. Configure BGP to remove
private AS numbers from the
AS_PATH
updates sent to an EBGP
peer or peer group.
Ignoring the first AS number of EBGP route updates
By default, BGP checks the first AS number of a received EBGP route update. If the first AS number
is neither the AS number of the BGP peer nor a private AS number, the BGP router disconnects the
BGP session to the peer.
To ignore the first AS number of EBGP route updates:
Step
1. Enter system view.
2. Enter BGP instance view.
3. Configure BGP to ignore the first AS
number of EBGP route updates.

Ignoring IGP metrics during optimal route selection

Step
1. Enter system view.
Command
•
•
family view or
IPv6 unicast
peer { group-name | ipv6-address
attribute of
[ prefix-length ] } public-as-only
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 ]
Command
system-view
bgp as-number [ instance
instance-name
[ multi-session-thread ]
ignore-first-as
255
Remarks
]
ipv6
N/A
]
ipv6
By default, BGP updates sent to
an EBGP peer or peer group can
carry both public and private AS
numbers.
This command is applicable only
to EBGP peers or peer groups.
Remarks
N/A
]
N/A
By default, BGP checks the
first AS number of EBGP
route updates.
Remarks
N/A