DM9016
3-port switch with Processor Interface
9. FUNCTIONAL DESCRIPTION....................................................................................... 62
9.1 Processor bus and memory management function: ................................................................................. 62
9.1.1 Processor Interface.................................................................................................................................. 62
9.1.2 Direct Memory Access Control................................................................................................................. 62
9.1.3 Packet Transmission................................................................................................................................ 62
9.1.4 Packet Reception..................................................................................................................................... 62
9.2 Switch function:............................................................................................................................................. 63
9.2.1 Address Learning..................................................................................................................................... 63
9.2.2 Address Aging.......................................................................................................................................... 63
9.2.3 Packet Forwarding ................................................................................................................................... 63
9.2.4 Inter-Packet Gap (IPG) ............................................................................................................................ 63
9.2.5 Back-off Algorithm.................................................................................................................................... 63
9.2.6 Late Collision............................................................................................................................................ 63
9.2.7 Full Duplex Flow Control.......................................................................................................................... 63
9.2.8 Half Duplex Flow Control ......................................................................................................................... 64
9.2.9 Partition Mode.......................................................................................................................................... 64
9.2.10 Broadcast Storm Filtering....................................................................................................................... 64
9.2.11 Bandwidth Control.................................................................................................................................. 64
9.2.12 Port Monitoring Support ......................................................................................................................... 64
9.2.13 VLAN Support ........................................................................................................................................ 65
9.2.13.1 Port-Based VLAN................................................................................................................................ 65
9.2.13.2 802.1Q-Based VLAN........................................................................................................................... 65
9.2.13.3 Tag/Untag ........................................................................................................................................... 66
9.2.14 Priority Support ...................................................................................................................................... 66
9.2.14.1 Port-Based Priority.............................................................................................................................. 66
9.2.14.2 802.1p-Based Priority.......................................................................................................................... 66
9.2.14.3 DiffServ-Based Priority........................................................................................................................ 66
9.2.15 Address Table Accessing....................................................................................................................... 66
9.2.16 Access Rules of Address Table............................................................................................................. 67
9.2.17 IGMP Snooping...................................................................................................................................... 70
9.2.18 Port Security........................................................................................................................................... 70
9.2.19 IPv6 MLD Snooping ............................................................................................................................... 70
9.2.20 Spanning Tree Protocol Support............................................................................................................ 71
8
Preliminary datasheet
DM9016-13-DS-P01
March 26, 2009
DAVICOM [ DAVICOM SEMICONDUCTOR, INC. ]
