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Document No. 10-300077, Issue 2 9-5
Managing the Address Forwarding Table
If the number of VLANs supported in the switch is 500, then the VLAN ID
numbers used in the switch should be chosen from the range of 1 to 500
rather then 1 to 1000.
Table 9-2 is an example of the size of the hash table created per the number
of VLANs created using the guidelines.
Table 9-1. Number of Supported VLANs
Version of Code Fabric Mode 1 Fabric Mode 2
Pre-5.0
1000 N/A
5.0-Pre 5.2.10
500 500
5.2.10 and above
500 1000
Table 9-2. Number of VLANs and Hash Table Size:
Number of VLANs Hash Table Size
2 8192
4 4096
10 2048
20 1024
40 512
80 256
150 128
300 64
600 32
1000 16