请简要介绍反向路径检查(RPF)技术概念以及RPF两种工作模式的区别?
请简要介绍反向路径检查(RPF)技术概念以及RPF两种工作模式的区别?
相关考题:
组播转发技术中最为核心的技术就是RPF,下列关于RPF说法正确的有()。 A.RPF的全称为Reverse Path Forwarding;B.RPF的转发依据是报文的目的地址和单播路由表;C.PRF的转发依据是报文的源地址和单播路由表;D.RPF和具体的某种单播路由协议是无关的。
下列关于RPF(Reverse Path Forwarding)的说法正确的是() A.RPF是广播数据采用的数据包转发方法B.RPF是组播数据包采用的数据转发方法C.RPF依据组播包源地址执行数据转发D.RPF依据组播包目的地址执行数据转发
What is true about Unicast RPF in strict mode?()A、It works well with a multihomed environment.B、It will inspect IP packets that are encapsulated in tunnels, such as GRE,LT2P,or PPTP.C、uRPF is performed within the CEF switching path.D、There might be a problem with DHCP as Unicast RPF is blocking packets with a 0.0.0.0 sourceaddress.
Which two statements about RPF checks in Multicast Source Discovery Protocol (MSDP) are true?()A、It prevents message looping, Session Advertisement (SA)messages must be RPF checkedB、RPF check should be done against the route to the source S of the corresponding PIM-SM domainC、RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain,which originated the SAD、RPF checking Session Advertisement (SA) messages will cause message looping
单选题What is true about Unicast RPF in strict mode?()AIt works well with a multihomed environment.BIt will inspect IP packets that are encapsulated in tunnels, such as GRE,LT2P,or PPTP.CuRPF is performed within the CEF switching path.DThere might be a problem with DHCP as Unicast RPF is blocking packets with a 0.0.0.0 sourceaddress.
多选题关于组播RPF检查,下面说法哪些是错误的()A组播RPF检查不依赖单播路由B所有组播协议都使用RPF检查C路由器收到组播报文,但RPF检查失败,将丢弃收到的组播报文DRPF检查的作用有2个,1是防止组播路由发生环路;2是防止转发冗余的组播数据报文
单选题关于PIM-SM转发树描述错误的是()APIM-SM同时包含两种树:共享树和源路径树B从RP到组播接收者数据转发的路径成为共享树C从组播源到RP的数据转发路径成为源路径树D在共享树下,RPF检查使用组播原地址作为检测地址
单选题关于PIM-SM转发树的描述,错误的是()APIM-SM同时包含两种树:共享树和源路径树B从RP到组播接收者数据转发的路径称为共享树C从组播源到Rp的数据转发路径称为源路径树D在共享树下,RPF检查使用组播源地址作为检测地址
填空题除了Alpha通道外,RPF文件还有()个通道。