A BGP route reflector in the network is taking longer than expected to converge during large network changes. Troubleshooting shows that the router cannot handl...

A BGP route reflector in the network is taking longer than expected to converge during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?

A. Decrease the size of the small buffers. B. Increase the size of the large buffers. C. Increase the keepalive timers for each BGP neighbor. D. Increase the size of the hold queue.