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Hi, I read some docs(BRKDCT-3101) on CISCO live which talks about multicast replication.Needed clarification on a few concepts: 1) There is an internal group id which is used and multiple (S,G) entries share the same group id. Does each mroute m...
Hi FolksSince the vlan tag field is inserted between SA and type fields, how would one know whether an ethernet frame has vlan tag or not? Normally the type field comes after the SA field and we can determine the type easily, but with type field comi...
Hi, I would like to know if a CISCO switch uses DMA (Direct memory access) to copy a control packet (e.g OSPF) or a packet for which there is no entry in FIB to CPU? If not how does it happen? I'm not familiar with the internal architecture/ packet ...
Hi Giuseppe, Thank you for the reply. I was actually looking for some additional details.I found the picture in the attached file on the net.It shows the various blocks, but doesn't elaborate on how a route entry in MRIB gets mapped to a hardware ent...
Hi Scott, One quick question. On going through the docs I got upon EOBC, but it talks of half duplex communication between Supervisor card and LC. I wonder if there's another such channel in the reverse direction for the CPU punt? Thank you
