Thank you for your answer, JosephDoherty. I know the general term "Buckets" from hashing tables and other places. What I am interested abuot is Cisco's implementation. I agree with your saying: Only Cisco could answer those questions. Yet I have not found relevant information on their sites. Is there another way you recommend for finding this information and/or contacting Cisco for questions regarding it? Thanks again
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Hello, My name is Moshe and I came across the following article from CiscoPress: http://www.ciscopress.com/articles/article.asp?p=474239&seqNum=2 Going through the article, I found out about the issue of Buckets: " As previously mentioned, the CAM table has a limited size. Cisco Catalyst switches use the 63 bits of source (MAC, VLAN, and so on) and create a 14-bit hash value. If the value is the same, there are eight buckets in which to place CAM entries. These entries expire after a certain inactivity period. (The default on the Cisco Catalyst switch is 5 minutes.) " I was trying to find out more about the buckets - their usage, implementation and issues. Yet I could not find any other source of information regarding them. Do those buckets really exist? Do they exist in all versions of Catalyst or only newer ones? How is the hash calculated? Is there any more information available regarding them? Thanks in advance, Moshe
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