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