Examples Of Configuring Vlans And Hash Table Size - Avaya Cajun P882 User Manual

Examples of Configuring VLANs and Hash Table
Size
Example 1
Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, Version v5.3.1
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 6-1. Number of Supported VLANs
Version of Code
Pre-5.0
5.0-Pre 5.2.10
5.2.10 and above
Table 6-2 is an example of the size of the hash table created per the
number of VLANs created using the guidelines.
Table 6-2. Number of VLANs and Hash Table Size:
Number of VLANs
2
4
10
20
40
80
150
300
600
1000
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
Managing the Address Forwarding Table
Fabric Mode 1 Fabric Mode 2
1000 N/A
500 500
500 1000
Hash Table Size
8192
4096
2048
1024
512
256
128
64
32
16
6-5