Here is a prety good link describing the switch architecture and there are significant differances between the sup1 and sup2 as well and the MSFC1 and 2.
http://www.cisco.com/warp/public/cc/pd/si/casi/ca6000/prodlit/k6kfy_wp.htm Dave Robert Edmonds wrote: > > Ryan, > If I understand your question, then I think I may be able to help. > I believe what it means when it talks about caching flows, is that it caches > the information about the flow -- particularly the path the flow will take. > This makes it so the layer 2 portion of the switch doesn't have to send > every packet to the router to make the layer 3 decision to route the packet. > The basic process for MLS is like this. A stream of data comes into the > router interface that is destined for a network other than the one it came > in on, another VLAN. The switch sends the first packet in the flow to the > MSFC (in the case of the 6500) to determine the path that should be taken to > the remote network. The MSFC figures out how it should get to the remote > network, sends the information to the switch, and the rest of the packets > are switched using the information provided by the MSFC. Depending on the > flow mask used, the next flow that comes through with the same destination > address, may be able to be fast-switched (hope I used the right term) > directly to the destination in question. > Did I answer your question? Hope I have helped. > > ""Newell Ryan D SrA 18 CS/SCBT"" wrote in > message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > Referencing LAN Switching I have a question concerning routed vs. switched > > interfaces on the 6500 running in native IOS mode. > > If the diagram on page 832 is correct I'm confused about MLS. Does the > > PFC/NFFC have the ability of caching flows between > > an interface configured as a switched/routed interface?? > > > > > > Ryan Newell -- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367 "You don't make the poor richer by making the rich poorer." --Winston Churchill Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=54233&t=54170 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
