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Beginner

BGP

What is BGP Synchronisation rule. 

I have difficulty understanding it. Pls, explain. 

3 REPLIES 3
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VIP Mentor

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

 

 

BB
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Thank you so much. 

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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.

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