Allied Telesis X900-48FE, RAPIER I, AT-8900, AT-8700XL manual Software Version, Release Note

Release Note
Software Version 2.8.1
For AT-8800, Rapier i, AT-8700XL, AT-8600,
AT-9900, x900-48FE, AT-8900 and AT-9800 Series
Switches
and AR400 and AR700 Series Routers
Introduction	4
Upgrading to Software Version 2.8.1	5
Backwards Compatibility Issue when Upgrading	5
Overview of New Features	6
System Enhancements	9
Clearing System Parameters	9
Extended Monitoring of CPU Utilisation	9
Command Reference Updates	11
Command Line Interface (CLI) Enhancements	15
More flexibility in Separating Parameters and Values	15
Additional Shortcuts when Editing	17
Command Reference Updates	18
File System Enhancement	21
Command Reference Updates	21
Switching Enhancements	25
Ordering Hardware Filters in 48-Port Switches	25
Limiting Rapid MAC Movement	27
Route Update Queue Length	29
Removing a Description from a Switch Port	30
Securing a Single VLAN through Switch Filters	30
Change of Debug Command Syntax	32
Enhanced Static Switch Filtering on Ports within a Trunk Group	32
Ethernet Protection Switching Ring (EPSR)	32
Command Reference Updates	33
PPPoE Access Concentrator	47
Command Reference Updates	47
MSTP Enhancement	50
Command Reference Updates	50
STP Enhancement	51
Command Reference Updates	51
Asynchronous Port Enhancement	52
Making Asynchronous Ports Respond More Quickly	52
Command Reference Updates	53
Internet Group Management Protocol (IGMP) Enhancements	55
IGMP Proxy on x900 Series Switches	55
IGMP filtering extended to all IGMP message types	57
Monitoring reception of IGMP general query messages	59
Command Reference Updates	60
Internet Protocol (IP) Enhancements	66
Expanded number of Eth interfaces per physical interface	66
Expanded IP Troubleshooting	66