Hi George, Thanks a lot for ur reply.
Is any one here can help me how to configure it?? Thanks TOM >From: "Georg Pauwen" >Reply-To: "Georg Pauwen" >To: [EMAIL PROTECTED] >Subject: RE: Multicasting problem [7:36941] >Date: Fri, 1 Mar 2002 12:11:19 -0500 > >Hi Tom, > >here is the explanation from the Cisco site: > >In multicast routing, the source is sending traffic to an arbitrary group >of >hosts that are represented by a multicast group address. The multicast >router must determine which direction is upstream (towards the source) and >which direction (or directions) is downstream. If there are multiple >downstream paths the router will replicate the packet and forward it down >the appropriate downstream pathswhich is not necessarily all paths. >The concept of forwarding multicast traffic away from the source, rather >than to the receiver, is called Reverse Path Forwarding. >RPF is a fundamental concept in multicast routing that enables routers to >correctly forward multicast traffic down the distribution tree. RPF makes >use of the existing unicast routing table to determine the upstream and >downstream neighbors. A router will only forward a multicast packet if it >is >received on the upstream interface. This RPF check helps to guarantee that >the distribution tree will be loop free. > >Regards, > >Georg _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=37046&t=36941 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
