Hi Ranjith,
I can answer only the 1st question.
1)Can any one brief me about difference between CAM & tcam?
CAM performs quick lookup based on exact match on the given search key. TCAM performs quick lookups based on search key and a mask that identifies which bits of the search key must be matched. In essence, a CAM looks up a single record - the one matches the search key precisely, while a TCAM looks up an entire set of similar records that match the "interesting" bits of a search key (the "interesting" bits are identified by the mask).
Best regards,
Peter