Avaya 580 Manual Do Utilizador

9-12

User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1

Chapter 9

Entry Type

Displays the entry type for this VLAN.

Options include:

• Learned - Entry is dynamically learned.

• Management - Entry is configured by the user 

statically.

• Self - Entries for internal addresses contained within 

the switch.

• Multicast - Entries belong to Multicast Groups. 

Entry Validity

Displays the entry validity for this VLAN.

Options include:

• Valid - Entry exists.

• Invalid - Entry has aged out but still exists even 

though the port binding is invalid.

Hash Table

Select one of the following hash table parameters:

Size - Select the size to alter the space available for this 
address table. The selection range is 16 to 8192 
incrementing in the powers of 2.

The number of addresses for a given hash table is 

4:1 (for example, if you have a hash table of 16 
bytes, the VLAN can hold 64 addresses in its table 
instance.

To achieve optimal Bucket Utilization, 

Hash Table size should be ¼ times the number 
of expected AFT entries (MAC entries) on the 
VLAN. 

 

Auto Increment - Select an option to allow the hash table to 
grow dynamically larger if more addresses are discovered. 
The options are:

True - Enables auto-increment of the hash table.

False - Disables auto-increment to prevent the hash table 
from growing dynamically at the risk of extra flooding.

Bucket Info

Displays parameters to monitor the efficiency of the hash 
table allocations.

Options include:

• Count - The Total Number of Entries (MAC 

Addresses) for that VLAN

• Capacity - Indicates bucket capacity.

• Utilization - The number of entries divided by the 

total bucket capacity.