原理: BGP不允许将从 IBGP对等体学习到的路由直接发布给EBGP,除非这些路由已被IGP学习到

试验拓扑

650) this.width=650;” height=”106″ title=”clip_image004″ style=”margin:0px;border:0px;padding-top:0px;padding-right:0px;padding-left:0px;background-image:none;” src=”http://www.fwqtg.net/wp-content/uploads/2015/06/wKiom1Vb6KTxh-uwAAC7yyAGTmw110.jpg” border=”0″ alt=”BGP 同步规则的理解” />

650) this.width=650;” height=”117″ title=”clip_image008″ style=”margin:0px;border:0px;padding-top:0px;padding-right:0px;padding-left:0px;background-image:none;” src=”http://www.fwqtg.net/wp-content/uploads/2015/06/wKiom1Vb6KeCmmjBAADEJPqmm0s597.jpg” border=”0″ alt=”BGP 同步规则的理解” />