3Com 3 3, 4, 5, 6

3USING MULTICAST FILTERING
What is an IP Multicast? 27
Benefits of Multicast 28
Multicast Filtering 28
Multicast Filtering and Your Switch 29
IGMP Multicast Filtering 30
4USING RESILIENCE FEATURES
Spanning Tree Protocol (STP) 33
Rapid Spanning Tree Protocol (RSTP) 34
What is STP? 34
How STP Works 36
STP Requirements 36
STP Calculation 37
STP Configuration 38
STP Reconfiguration 38
How RSTP Differs to STP 38
STP Example 38
STP Configurations 40
Default Behavior 42
RSTP Default Behavior 42
Fast Start Default Behavior 42
Using STP on a Network with Multiple VLANs 42
5USING THE SWITCH DATABASE
What is the Switch Database? 45
How Switch Database Entries Get Added 45
Switch Database Entry States 46
6USING TRAFFIC PRIORITIZATION
What is Traffic Prioritization? 47
How Traffic Prioritization Works 48
802.1D traffic classification 48
DiffServ traffic classification 49
Traffic Prioritization and your Switch 50