What is BGP Synchronisation rule.
I have difficulty understanding it. Pls, explain.
here is good reference with example :
https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/26634-bgp-toc.html#synch
Thank you so much.
The BGP synchronization rule states that if an AS provides transit service to another AS, BGP should not advertise a route until all of the routers within the AS have learned about the route via an IGP.