You must be within one of the following modes.
-
BGP address-family IPv4 unicast configuration mode
-
BGP address-family IPv6 unicast configuration mode
-
BGP address-family IPv4 unicast VRF configuration mode
-
BGP address-family IPv6 unicast VRF configuration mode
-
Navigate to the router bgp context.
SLX(config)# router bgp
SLX(config-bgp-router)#
-
Navigate to the address-family context. Choose the correct address
family that you want to configure this setting for.
SLX(config-bgp-router)#
SLX(config-bgp-router)# address-family ipv4 unicast
SLX(config-bgp-router)#
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Disable prefix validation for prefixes marked as invalid when calculating best path.
The no format of this command enables default validation. The default
is to allow using invalid prefixes for best path calculations.
SLX(config-bgp-router)# bestpath prefix-validation disallow-invalid
SLX(config-bgp-router)#
Prefix validation for invalid prefixes is disabled for IPv4 addresses when calculating best path.
Example
The following example summarizes the commands in this procedure. This command disable prefix
validation for prefixes marked as invalid when calculating best path.
SLX# configure terminal
SLX(config)# router bgp
SLX(config-bgp-router)# address-family ipv4 unicast
SLX(config-bgp-ipv4u)# bestpath prefix-validation disallow-invalid
SLX(config-bgp-ipv4u)#
