Sometimes, when there are too many route reaching the router's limit, we need to perform route summarization to reduce the router's operational load. Azure Virtual Hub can accept up to 10,000 routes in total, but this is insufficent in certain situations. About BGP peering with

When designing route map rules within Azure Virtual WAN, in addition to selecting the connection type and choosing the inbound or outbound direction, you also need to write the actual route map rules. Use Case 1: Only allow specific network prefix, drop other network prefix I only want to allow