Install guide

Simply connecting the world
Release Note
Software Release 2.6.1
For AT-8900 Series Switches
Introduction ...................................................................................................... 3
Key Hardware Features of the AT-8900 Series Switch ........................................ 4
Power Supply Units (PSUs) .......................................................................... 4
PSU LEDs on AT-8900 Switches ................................................................... 5
SFP Transceivers .......................................................................................... 5
Installing the Switch Using the Rack-mount Kit ........................................... 5
Packet Classifier ................................................................................................ 7
Configuration of Packet Matching Rules/Classifiers ..................................... 7
Configure Classifiers ................................................................................... 8
Quality of Service (QoS) .................................................................................. 10
An Overview of the QoS Mechanisms on the Switch ................................. 10
Packet Flow through the Switch ............................................................... 10
QoS Policy Configuration Rules ................................................................. 13
Destroying a QoS Element ........................................................................ 14
Classifiers ................................................................................................. 14
QoS Flow Groups ..................................................................................... 14
QoS Traffic Classes ................................................................................... 15
Default Traffic Class .................................................................................. 16
QoS Policies .............................................................................................. 16
Premarking ............................................................................................... 17
Bandwidth Metering ................................................................................ 19
Remarking ................................................................................................ 22
QoS RED Curves ....................................................................................... 24
Replacing Priorities on Egress .................................................................... 26
DiffServ Domains ............................................................................................ 28
How to Enable DiffServ QoS Functionality on the switch ........................... 30
Layer 2 Priority-based QoS .............................................................................. 32
How to Enable Layer 2 QoS Functionality on the switch ............................ 32
SET QOS QUEUE2PRIOMAP command ...................................................... 34
Autonegotiation of port speed and duplex mode ............................................ 34
Auto MDI/MDI-X ............................................................................................. 35
Port trunking .................................................................................................. 35
Broadcast Storm Protection ............................................................................. 36
Broadcast and multicast rate limiting ........................................................ 36
Destination lookup failure packets ............................................................ 37
VLAN Membership of Untagged Packets ......................................................... 37
Creating VLANs .............................................................................................. 38
Creating the VLAN and Specifying the VLAN Classification ....................... 38
The Default VLAN ..................................................................................... 38
Protected VLANs ............................................................................................. 39
Multiple Spanning Trees and STP Interaction with VLANs ................................ 40

Summary of content (58 pages)