A.PIM B.DVMRP C.OSPF D.MSDP E.MBGP
A.網(wǎng)段內(nèi)所有主機和路由都偵聽224.0.0.1 B.所有路由器都偵聽224.0.0.2 C.所有運行OSPF協(xié)議的路由器都偵聽224.0.0.5 D.所有RIPv2協(xié)議的路由器都偵聽224.0.0.100