Alvarion BreezeACCESS 4900 Release Note - Page 3

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Note that after upgrade to SW version 4.5, the Re-Apply Country Code Values feature must be

activated for these changes in existing Country Codes to take effect.

4. New Features and Improvements

Improved Control of the MIR/CIR Algorithm

The MIR Threshold Percent parameter determines the level of wireless link utilization above which the

MIR/CIR mechanism is activated. This enables optimization of the overall sector's throughput

according to the service levels (MIR/CIR) granted to the subscribers.

Note that configuring the new MIR Threshold % parameter to 0%, the system will behave the same as

with SW version 4.0. Setting it 50%, the MIR/CIR will work like a system using SW version 3.x and

setting it 100% the MIR/CIR will work like MIR Only.

Enhanced Support of Broadcast/Multicast Relaying

The Broadcast/Multicast Relaying feature has been enhanced, allowing now selection between four

options to better support specific traffic types:

•

Disable Broadcast/Multicast Relaying (existing option)

•

Enable Broadcast/Multicast Relaying (existing option)

•

Enable Only Broadcast Relaying (new option)

•

Enable Only Multicast Relaying (new option)

Serial Number and ATE Status Information for Easier Inventory Control

The unit's Serial Number and ATE Test Results details are now available in both Telnet and SNMP.

Improved Search Mechanism in the MAC Address Database

The improved search mechanism provides enhanced and faster searching performance, especially

when the database contains a relatively large number of entries.

Higher Maximum Uplink Rate for SU-I

The maximum rate (MIR and CIR maximal values) has been increased from 2048 Kbps to 4096 Kbps

(same as SU-6).

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