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Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, Version v5.3.1 6-5
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 6-2 is an example of the size of the hash table created per the
number of VLANs created using the guidelines.
Examples of Configuring VLANs and Hash Table
Size
Example 1 All VLANs have the same Hash Table Size
Configure the Avaya Multiservice switch for 45 VLANs.This requires
the default Hash Table size be reduced in accordance with the “Hash
Table Guidelines”.
45 VLANs times 1024 = 46,080 or ~ 46K
Table 6-3. 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 6-4. 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