350-501 · Question #534
350-501 Question #534: Real Exam Question with Answer & Explanation
The correct answer is C: Enable bgp sso route-refresh-enable in the global BGP configuration.. Enabling bgp sso route-refresh-enable ensures that when the standby RP takes over under NSR, R1 automatically issues Route Refresh messages to all BGP peers so their full route tables are re‑advertised and the RIB/RIB‑IN stays synchronized.
Question
R1 serves as a route reflector on a BGP-enabled network and has dual RPs installed. To ensure that all routes have been processed when an RP fails over, R1 must send the router request to all peers configured with NSR to refresh the route database. Which action completes the implementation?
Options
- AImplement bgp fast-external-failover under the BGP IPv4 address-family configuration.
- BEnable bgp ietf rp route-update in the global router configuration.
- CEnable bgp sso route-refresh-enable in the global BGP configuration.
- DImplement bgp consistency-checker auto-repair under the Cisco Express Forwarding configuration.
Explanation
Enabling bgp sso route-refresh-enable ensures that when the standby RP takes over under NSR, R1 automatically issues Route Refresh messages to all BGP peers so their full route tables are re‑advertised and the RIB/RIB‑IN stays synchronized.
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