
Reference Only / Allayer Communications
Table of Contents
1.
AL103 Overview ..................................................................................................... 5
2.
Pin Descriptions....................................................................................................... 7
3.
Functional Description........................................................................................... 16
3.1
Data Reception............................................................................................... 16
3.1.1
Illegal Frame Length .............................................................................. 16
3.1.2
Long Frames .......................................................................................... 16
3.1.3
False Carrier Events ............................................................................... 16
3.1.4
Frame Filtering....................................................................................... 16
3.2
Frame Forwarding.......................................................................................... 17
3.2.1
Broadcast Storm Control........................................................................ 17
3.2.2
Frame Transmission ............................................................................... 18
3.2.3
Frame Generation................................................................................... 18
3.3
Half Duplex Mode Operation ........................................................................ 18
3.4
Secure Mode Operation ................................................................................. 18
3.5
Address Learning ........................................................................................... 19
3.5.1
Address Aging........................................................................................ 19
3.6
VLAN Support............................................................................................... 19
3.7
Port Aggregation (Trunking).......................................................................... 21
3.7.1
Load Balancing ...................................................................................... 21
3.7.2
Trunk Fail Over...................................................................................... 21
3.7.3
Trunk Port Assignment .......................................................................... 22
3.7.4
Port Based Trunk Load Balancing ......................................................... 22
3.7.5
MAC Based Load Balancing ................................................................. 24
3.8
Flow Control .................................................................................................. 25
3.8.1
Half Duplex Flow Control (Backpressure) ............................................ 25
3.8.2
Full Duplex Flow Control (802.3x) ....................................................... 26
3.9
Queue Management ....................................................................................... 26
3.10
Uplink Port..................................................................................................... 27
3.11
Port Monitoring.............................................................................................. 27
3.12
Media Independent Interface (MII) ............................................................... 28
3.13
PHY Management.......................................................................................... 28
3.13.1
PHY Management MDIO ...................................................................... 28