bgpd: FRR Changes for supporting bgp route install-then-advertise behavior #3623
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This contains the FRR changes for supporting BGP route install-then-advertise behavior.
Functional specification:
sonic-net/SONiC#424
When BGP learns a route from its peer, the routes will be pushed by BGP to Zebra to fpm to be installed in hardware. If fpm returns an error, the routes will not be sent by BGP to its peers. Only successful routes are sent by BGP to its peers. The feature can be enabled/disabled in BGP by a CLI. By default, the feature is disabled.
Signed-off by: Preetham Singh [email protected]
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