New H3C Technologies China Mobile In certain scenarios, a BGP router may not require its peer to update all routes within an address family, but rather only the specific routes it needs. For example, in an EVPN network, a router might only require updates for all MAC/IP Advertisement Routes or all IP Prefix Advertisement Routes, or even just a subset of IP Prefix routes. This document presents a method for requesting the update of specific routes from a peer, thereby minimizing the impact of additional BGP updates.