When using VLSM in an EIGRP network, where can route summarization be accomplished?A.Manually on any router interface.B.Only at classless network boundaries.C.Only at classful network boundaries.

• 有的人认为：路由聚合一般只在网络的边缘使用；没必要在每台路由上都做.；一般来说；都会把不是边缘路由器的自动归纳功能关掉