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For every VLAN created, a hash table is allocated. The hash table keeps track of the memory locations where the learned AFT entries (MAC addresses) are stored. These memory locations are referred to as buckets.
An individual bucket can range in size from 1 to 128 AFT entries (MAC addresses) in powers of 2 (1, 2, 4, 8, 16, and so on). The bucket capacity for a VLAN is the sum of all the capacities of the buckets assigned to that VLAN. If you add the number of AFT entries and divide by the Bucket Capacity, you will get the percentage of Bucket Utilization (Figure�79).
To view the Bucket parameters from the Web Agent, expand the Layer 2 Switching > Address Forwarding Table > Configuration folders. And view the Bucket Capacity and Bucket Utilization fields.
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